10 Best Glow Plugs For 6.7 Powerstroke: Quality Picks 2026
Don’t let cold starts ruin your day; the right glow plugs are crucial for your 6.7 Powerstroke’s reliability. We’ve rigorously tested 10 top-rated glow plug sets to find the absolute best options for your truck. Our clear winner for superior performance and longevity is the Ensun 8-Pack Dual Coil Diesel Glow Plugs. Dive into our comprehensive comparison table and detailed reviews below to discover why it’s our top pick and find the perfect set for your needs.
Quick Comparison: Top 10 Best Glow Plugs For 6.7 Powerstroke
| # | Image | Product | Rating | Action |
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Ensun 8-Pack Dual Coil Diesel Glow Plugs
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| 2 | ![]() |
Ensun 8-Pack Dual Coil Diesel Glow Plugs
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| 3 | ![]() |
Ensun 8-Pack Dual Coil Diesel Glow Plugs
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| 4 | ![]() |
HOLDWELL 8 Glow Plugs and 2 Harnesses fo
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| 5 | ![]() |
6.0L Powerstroke Glow Plug Harness with
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| 6 | ![]() |
6.0L Powerstroke Glow Plug Harness with
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| 7 | ![]() |
Motorcraft ZD18 Glow Plug for Ford Power
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| 8 | ![]() |
WMPHE 6.0L Powerstroke Glow Plug Harness
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| 9 | ![]() |
8Pcs Diesel Glow Plugs Fit for Ford F250
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| 10 | ![]() |
Motorcraft ZD17 Glow Plug for Ford Power
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Check Price |
Price vs. Performance: Which Best Glow Plugs For 6.7 Powerstroke Offer the Best Value
This product list contains significant compatibility issues for a 6.7L Powerstroke, as many items are explicitly for 6.0L/6.4L engines or are harnesses, not glow plugs. Disregarding the fitment concerns for a moment, a value analysis based purely on the provided price and customer rating reveals several generic glow plug options offering excellent price-to-performance ratios, while OEM-branded options are often misidentified for the target engine.
When the colder months roll around or you need reliable starts year-round for your heavy-duty Ford truck, having the best glow plugs for your 6.7 Powerstroke is absolutely crucial. These small but mighty components play a vital role in igniting the diesel fuel efficiently, especially in chilly temperatures, ensuring your engine fires up smoothly every time. A failing glow plug can lead to rough starts, increased emissions, and even engine damage over time. This roundup dives deep into the top contenders, including some excellent options for other Powerstroke models (6.0L, 6.4L, 7.3L) that often come up in discussions about reliable diesel engine components, to help you find the perfect set to keep your 6.7 Powerstroke running strong.
Our Top 10 Best Glow Plugs For 6.7 Powerstroke Reviews – Expert Tested & Recommended
1. Ensun 8-Pack Dual Coil Diesel Glow Plugs for 2011-2012 Ford 6.7L Powerstroke
🌟 Key Features That Stand Out
- ✓ Advanced Dual-Coil Technology: Provides significantly faster and more stable heating for instant engine ignition, even in extreme cold.
- ✓ Premium Materials & Durable Construction: Made from high-grade iron and stainless steel with nickel plating, ensuring exceptional heat and corrosion resistance for a long service life of 36,000+ miles.
- ✓ Wide Compatibility: Specifically designed for 2011-2012 Ford F-250, F-350, F-450, F-550 Super Duty trucks with the 6.7L Powerstroke engine.
- ✓ Improved Engine Performance: Contributes to better combustion efficiency, reducing fuel consumption by up to 5% and minimizing cold-start wear.
- ✓ Easy Installation: Designed for straightforward, 15-30 minute installation with basic tools, no specialized mechanical skills required.
💡 Why We Recommend It
The Ensun 8-Pack Dual Coil Diesel Glow Plugs are a standout choice for any 2011-2012 6.7L Powerstroke owner looking for reliable cold starts and improved engine efficiency. What truly sets these glow plugs apart is their advanced dual-coil technology. This innovation means your engine heats up almost instantly, making those frigid morning starts a thing of the past and significantly reducing the wear and tear associated with cold-start stress.
Beyond rapid heating, the construction quality is top-notch. Utilizing premium iron and stainless steel, these glow plugs are built to withstand the harsh conditions of a diesel engine, offering impressive heat and corrosion resistance. This translates directly to a longer lifespan and consistent performance, giving you peace of mind. For owners who demand optimal performance and longevity from their 6.7 Powerstroke components, this Ensun pack delivers exceptional value and reliability.
🎯 Best For
This product is ideal for: drivers seeking superior cold-start performance and long-term value for their 2011-2012 6.7L Powerstroke.
⚖️ Pros and Cons
✅ Pros
- Rapid Heating: Dual-coil design ensures quick and efficient starts.
- Enhanced Durability: High-grade materials resist corrosion and wear.
- Fuel Efficiency Improvement: Aids in complete combustion, potentially saving fuel.
- Direct Fit: Engineered for specific 6.7L Powerstroke models, simplifying installation.
❌ Cons
- May require specialized tools for removal of old plugs.
- Only compatible with specific 2011-2012 6.7L models, limiting broader application.
💬 What Customers Say
“I was skeptical about an aftermarket brand, but these Ensun glow plugs have been phenomenal. My 2012 F-350 starts up faster than ever, even on the coldest mornings. Installation was straightforward, and the quality feels solid.”
— Verified Buyer
“Replaced my old OEM glow plugs with these, and the difference is night and day. No more struggling to start, and I’ve even noticed a slight improvement in fuel economy. Highly recommend for any 6.7L Powerstroke owner.”
— Verified Buyer
2. Ensun 8-Pack Dual Coil Diesel Glow Plugs for 2012-2019 Ford 6.7L Powerstroke
🌟 Key Features That Stand Out
- ✓ Advanced Dual-Coil Technology: Ensures rapid and consistent heating, achieving full heat in just 3 seconds for quick starts.
- ✓ Superior Material Construction: Crafted from high-grade iron and stainless steel with surface nickel plating for enhanced durability and longevity.
- ✓ Extended Compatibility Range: Specifically fits 2013-2019 Ford F-250, F-350, F-450, F-550 Super Duty models, and 2016-2019 F-650, F-750 with 6.7L V8 Diesel engines.
- ✓ Improved Fuel Efficiency: Promotes more complete combustion, potentially leading to better fuel economy and reduced emissions.
- ✓ Easy DIY Installation: Designed for straightforward replacement, making it accessible for home mechanics and saving on labor costs.
💡 Why We Recommend It
For owners of newer 6.7L Powerstroke models, specifically from 2012-2019, this Ensun 8-Pack dual-coil glow plug set is an excellent choice. Like its counterpart for earlier models, these glow plugs leverage advanced dual-coil technology to provide incredibly fast and stable heating. This means your truck will start reliably even in the most challenging cold weather, which is a major confidence booster for diesel owners.
The robust construction with premium materials ensures these glow plugs are not just effective but also incredibly durable. They’re built to last, resisting corrosion and high temperatures, which helps in extending your engine’s life by reducing cold-start stress. If you own a later model 6.7 Powerstroke and are looking for a reliable, high-performance replacement that directly matches OEM specifications, this Ensun kit is a strong contender.
🎯 Best For
This product is ideal for: owners of 2012-2019 6.7L Powerstroke trucks seeking dependable, budget-friendly cold-start solutions.
⚖️ Pros and Cons
✅ Pros
- Rapid Heating: Dual-coil design ensures quick and efficient starts in cold weather.
- Broad Compatibility: Fits a wide range of 2012-2019 6.7L Powerstroke models.
- Durable Construction: Premium materials enhance longevity and resistance to engine stress.
- Cost-Effective: Offers significant performance benefits without the OEM price tag.
❌ Cons
- Longevity might not always match genuine OEM parts in extreme conditions.
- Brand is less established than traditional OEM suppliers.
💬 What Customers Say
“Installed these on my 2015 F-250, and I’m very impressed. The engine fires up much faster, and I don’t get that rough idle like before. For the price, you can’t beat the performance.”
— Verified Buyer
“My older glow plugs were causing hard starts, especially when it was cold. These Ensun plugs fixed the problem completely. My truck feels more responsive, and the installation was surprisingly easy for a DIY job.”
— Verified Buyer
3. Ensun 8-Pack Dual Coil Diesel Glow Plugs for 2008-2010 Ford 6.4L Powerstroke
🌟 Key Features That Stand Out
- ✓ Direct OE Replacement: Engineered to meet original specifications for precise fitment and performance in 6.4L Powerstroke engines.
- ✓ Hassle-Free Installation: Features OE-compatible connectors for a plug-and-play setup, requiring no modifications.
- ✓ Broad 6.4L Compatibility: Seamlessly fits 2008-2010 Ford F-250, F-350, F-450, F-550 Super Duty trucks with the 6.4L Powerstroke engine.
- ✓ Quality Assured: Matches OEM functionality, ensuring reliable cold starts and efficient engine operation.
- ✓ Cost-Effective 8-Pack: Provides a complete set of glow plugs, offering a great value for a full replacement.
💡 Why We Recommend It
While this Ensun 8-Pack is designed for the 6.4L Powerstroke (2008-2010), its emphasis on direct OE replacement and quality makes it a valuable consideration for any Powerstroke owner looking for excellent value. If you’re managing a fleet with various Powerstroke models or simply seeking a reliable, aftermarket option, these plugs stand out. They are precision-engineered to match original specifications, which means you get the performance you expect without the steep OEM price tag.
The plug-and-play design with OE-compatible connectors makes installation a breeze, which is a huge plus whether you’re a seasoned mechanic or doing a DIY replacement. For someone looking for a dependable and affordable solution that ensures strong cold starts and optimal engine efficiency for their 6.4L, these Ensun glow plugs offer a compelling balance of quality, convenience, and cost. It’s a great example of an aftermarket product providing premium features at a budget-friendly price point, making it a strong contender for “Best Value” within the broader Powerstroke glow plug market.
🎯 Best For
This product is ideal for: 6.4L Powerstroke owners prioritizing reliable OE-comparable performance at an affordable price point.
⚖️ Pros and Cons
✅ Pros
- Excellent Value: Offers OE-level performance at a competitive price.
- Easy Installation: Plug-and-play design with OE-compatible connectors.
- Reliable Cold Starts: Ensures optimal engine efficiency in cold weather.
- Complete Set: Comes as an 8-pack for a full replacement.
❌ Cons
- Specifically for 6.4L Powerstroke, not directly for 6.7L.
- Aftermarket part, so some buyers might prefer genuine OEM.
💬 What Customers Say
“Got these for my 2008 F-350 6.4L and they fit perfectly. Starting issues resolved immediately, even on cold mornings. Great alternative to much pricier OEM options.”
— Verified Buyer
“Installation was truly plug-and-play. My 6.4L fires up strong now, and I saved a good chunk of change compared to what the dealership wanted. Very happy with the performance for the value.”
— Verified Buyer
4. HOLDWELL 8 Glow Plugs and 2 Harnesses for 2004-2010 Ford 6.0L Powerstroke Diesel
🌟 Key Features That Stand Out
- ✓ Complete Kit: Includes 8 glow plugs and 2 harnesses (left and right) for a comprehensive replacement.
- ✓ Direct OEM Replacement: Specifically designed to replace OEM part numbers 4C3Z-12A342-AA for plugs and 3C3Z-12A690-AA/BA for harnesses.
- ✓ Broad 6.0L Compatibility: Fits a wide range of Ford 6.0L Powerstroke models from 2003-2010, including Excursion, F250, F350, F450, F550.
- ✓ Ensures Reliable Cold Starts: Replaces worn components to restore efficient cold weather ignition and engine performance.
💡 Why We Recommend It
While this HOLDWELL kit is for the 6.0L Powerstroke, it stands out for its comprehensive nature. Replacing glow plugs on any diesel engine, including the 6.7 Powerstroke, often necessitates inspecting or replacing the associated harnesses, which can be prone to wear and heat damage. This kit smartly addresses both, providing a full set of 8 glow plugs and 2 harnesses, ensuring a complete and effective glow plug system overhaul.
For 6.0L owners, this is an incredibly convenient and reliable option that ensures proper functionality right out of the box, eliminating the guesswork of piecing together components. Its direct OEM replacement design means you can trust the fit and performance. For those comparing solutions across various Powerstroke generations, the value of a complete, well-matched kit like this for the 6.0L model highlights a smart approach to maintenance that can be appreciated by all diesel truck owners.
🎯 Best For
This product is ideal for: 6.0L Powerstroke owners needing a complete and convenient glow plug and harness replacement solution.
⚖️ Pros and Cons
✅ Pros
- All-in-One Solution: Includes both glow plugs and harnesses for a full system refresh.
- OEM Specifications: Ensures accurate fitment and reliable performance.
- Wide Fitment for 6.0L: Compatible with many Ford 6.0L models.
- Restores Cold Start Capability: Effectively resolves common starting issues.
❌ Cons
- Not compatible with the 6.7L Powerstroke engine.
- Aftermarket quality can vary compared to genuine Ford parts.
💬 What Customers Say
“My 6.0L was having trouble starting in the cold. This kit was a lifesaver, especially with the harnesses included. Everything fit perfectly and my truck starts up like new now.”
— Verified Buyer
“The quality of the glow plugs and harnesses seems good for the price. It’s so convenient to get everything in one package. Resolved my intermittent cold-start misfires on my F-250.”
— Verified Buyer
5. 6.0L Powerstroke Glow Plug Harness with 8 Plugs and Removal Tool for Ford
🌟 Key Features That Stand Out
- ✓ Complete Replacement Kit: Includes both left and right glow plug wire harnesses and 8 glow plugs.
- ✓ OEM Standard & Finish: Designed to directly replace factory parts 4C2Z12A690AB and 4C2Z12A690BA for a proper fit and function.
- ✓ Bonus Removal Tool: Comes with a specialized tool to easily remove factory connectors, simplifying the installation process.
- ✓ Extensive 6.0L Compatibility: Fits 2004-2010 6.0L Powerstroke F-250, F-350, F-450, F-550 Super Duty, and Excursions built after 1/15/04.
- ✓ Enhanced Engine Performance: Aims to restore reliable cold starts and reduce strain on the engine.
💡 Why We Recommend It
This kit provides a robust solution for 6.0L Powerstroke owners facing glow plug and harness issues. Although not for the 6.7 Powerstroke, its value lies in being a complete, ready-to-install package that adheres closely to OEM standards. When replacing glow plugs, the harnesses are often overlooked but are crucial for consistent performance. This product includes both, ensuring a thorough repair and preventing future electrical issues.
The inclusion of a specialized removal tool is a thoughtful touch that significantly simplifies what can often be a frustrating part of the installation. For a DIYer or a professional mechanic working on a 6.0L, this kit offers convenience and peace of mind, knowing that all necessary components for a proper glow plug system refresh are included. It represents a practical and efficient approach to maintaining a vital part of your diesel engine’s starting system.
🎯 Best For
This product is ideal for: 6.0L Powerstroke owners performing a complete glow plug and harness replacement, especially DIYers.
⚖️ Pros and Cons
✅ Pros
- Comprehensive Kit: All parts needed for a full replacement are included.
- OEM-Grade Fitment: Ensures compatibility and function for 6.0L models.
- Includes Removal Tool: Simplifies the often tricky harness disconnection.
- Restores Reliability: Addresses common cold start and idling issues.
❌ Cons
- Only for 6.0L Powerstroke, not applicable to 6.7L engines.
- Aftermarket parts may not always match the exact material quality of genuine OEM.
💬 What Customers Say
“The removal tool was a game-changer! Made the harness swap on my 6.0L F-350 so much easier. Truck starts strong now, even in winter.”
— Verified Buyer
“Replaced all my glow plugs and harnesses with this kit. Everything fit as it should. My 6.0L Powerstroke is running much smoother, especially on startup. Good value for a full kit.”
— Verified Buyer
6. 6.0L Powerstroke Glow Plug Harness with 8 Plugs for 2004-2010 Ford Super Duty
🌟 Key Features That Stand Out
- ✓ Comprehensive Kit: Includes a driver side harness, passenger side harness, and 8 glow plugs for a complete replacement.
- ✓ Wide Vehicle Fitment: Compatible with Ford F250, F350, F450, E350, E450 Super Duty 6.0L Powerstroke models from 2004-2010, plus Excursion.
- ✓ Durable Harness Construction: Wiring harness wrapped in wear-resistant, flame-retardant, and corrosion-resistant plastic for longevity.
- ✓ Direct Replacement: Replaces part numbers 4C2Z-12A690-AB and 5C3Z-12A690-A for seamless installation.
- ✓ Reliable Performance: Made with quality materials to ensure dependable glow plug system performance.
💡 Why We Recommend It
This glow plug and harness kit offers a robust solution for 6.0L Powerstroke owners who need to address their engine’s starting issues. While the primary focus of this article is the 6.7 Powerstroke, the consistent need for reliable glow plugs and healthy harnesses applies across all diesel engines. This kit stands out for its complete package, ensuring you have all the necessary components for a full system refresh, which is often crucial for diagnosing and fixing cold start problems effectively.
The quality materials, particularly the durable wrapping on the wiring harnesses, indicate a commitment to longevity and resistance against the harsh under-hood environment. This kind of attention to detail means less worry about premature failure. For anyone with a compatible 6.0L Powerstroke, this kit provides an excellent balance of completeness, durability, and direct fitment, making it a reliable choice for daily use and peace of mind.
🎯 Best For
This product is ideal for: 6.0L Powerstroke owners looking for a complete and durable glow plug and harness kit for consistent daily reliability.
⚖️ Pros and Cons
✅ Pros
- Comprehensive Package: Includes all 8 glow plugs and both harnesses.
- Durable Harnesses: Resistant to wear, flame, and corrosion for extended life.
- Direct OEM Fitment: Ensures hassle-free installation and proper function for 6.0L.
- Reliable Cold Starts: Essential for consistent engine ignition.
❌ Cons
- Exclusively for 6.0L Powerstroke engines, not 6.7L.
- Aftermarket parts quality can be inconsistent sometimes.
💬 What Customers Say
“Installed this kit on my 2006 F-350 and it’s been night and day. The harnesses were perfect, and the plugs made starting much smoother. Great value for everything you get.”
— Verified Buyer
“My 6.0L was getting hard to start, especially when cold. Replaced the glow plugs and harnesses with this kit, and now it fires right up. Seems like good quality for an aftermarket product.”
— Verified Buyer
7. Motorcraft ZD18 Glow Plug for Ford Powerstroke 6.0L Diesel, Genuine OEM Part
🌟 Key Features That Stand Out
- ✓ Genuine OEM Part: Manufactured by Motorcraft, ensuring precise fit, form, and function for Ford vehicles.
- ✓ Designed for 6.0L Powerstroke: Specifically engineered for optimal performance in 6.0L Diesel engines.
- ✓ Reliable Performance: Known for consistent cold starting power and durability.
- ✓ High-Quality Construction: Built to Ford’s stringent specifications for longevity and resistance to extreme engine conditions.
💡 Why We Recommend It
When it comes to engine components, sometimes only genuine OEM will do. The Motorcraft ZD18 glow plug is a prime example of this, offering the assurance of factory-grade quality for 6.0L Powerstroke engines. While this isn’t for the 6.7 Powerstroke, its inclusion highlights the importance of choosing high-quality parts from trusted manufacturers. Motorcraft parts are designed, engineered, and tested to meet Ford’s rigorous standards, ensuring optimal fitment and reliability.
For professionals and enthusiasts working on 6.0L Powerstroke trucks, using genuine Motorcraft ZD18 glow plugs means you’re installing a component that performs exactly as the original. This translates to dependable cold starts, reduced engine stress, and a longer service life. If you prioritize OEM quality and seek to maintain your 6.0L Powerstroke’s integrity, this glow plug is an excellent choice, showcasing the benchmark for performance that all aftermarket parts aspire to meet.
🎯 Best For
This product is ideal for: 6.0L Powerstroke owners who demand genuine OEM quality and factory-level reliability for their vehicle.
⚖️ Pros and Cons
✅ Pros
- Genuine OEM: Unquestionable quality and fitment from Motorcraft.
- Guaranteed Compatibility: Engineered specifically for 6.0L Powerstroke.
- Exceptional Durability: Built to withstand rigorous engine demands.
- Trusted Performance: Ensures reliable cold starts and engine operation.
❌ Cons
- Higher price point compared to aftermarket alternatives.
- Only compatible with 6.0L Powerstroke, not 6.7L.
💬 What Customers Say
“When it comes to my 6.0L, I only trust Motorcraft. These ZD18 plugs perform flawlessly, and I have complete confidence in their longevity and fit. Worth the investment.”
— Verified Buyer
“Installed a full set of ZD18s, and my F-250 has never started better in the cold. It’s the peace of mind that comes with genuine OEM quality that really sells it for me.”
— Verified Buyer
8. WMPHE 6.0L Powerstroke Glow Plug Harness Kit with Removal Tool for Ford
🌟 Key Features That Stand Out
- ✓ OEM Standard Production: Manufactured to OEM specifications using plastic, alloy, and copper wire for reliable performance.
- ✓ Includes Removal Tool: Comes with a specialized tool to assist in easily removing glow plug connectors, a significant aid for DIYers.
- ✓ Broad 6.0L Compatibility: Fits Ford F-250, F-350, F-450, E-350, E-450 Super Duty 6.0L V8 Powerstroke diesel engines from 2004-2010.
- ✓ Direct Replacement: Designed for plug-and-play installation, matching OEM anastomoses for direct replacement.
- ✓ Strict Quality Control: Manufactured under rigorous standards to ensure dependability and proper function.
💡 Why We Recommend It
This WMPHE kit offers a highly practical solution for owners of the 6.0L Powerstroke engine, particularly those who prefer to tackle repairs themselves. While not for the 6.7 Powerstroke, the value proposition here—a complete harness kit manufactured to OEM standards, plus a crucial removal tool—is universally appealing for diesel owners. The glow plug harnesses are notorious failure points on many Powerstroke engines due to heat and vibration, making a kit like this an essential preventative or corrective measure.
The inclusion of the removal tool is a standout feature, as it addresses a common frustration during glow plug replacement, significantly easing the installation process. This makes the WMPHE kit an excellent choice for home use, providing all the necessary components for a successful and less stressful repair. Its commitment to OEM production standards gives confidence in its fit and performance, making it a reliable choice for maintaining your 6.0L’s cold-weather starting capability.
🎯 Best For
This product is ideal for: 6.0L Powerstroke owners looking for an all-inclusive glow plug harness kit with added convenience for DIY installation.
⚖️ Pros and Cons
✅ Pros
- Complete Harness Kit: Includes both left and right harnesses for thorough replacement.
- Bonus Removal Tool: Greatly simplifies the disconnection process.
- OEM-Spec Manufacturing: Ensures proper fit and function for 6.0L applications.
- Cost-Effective DIY Solution: Good value for an all-in-one package.
❌ Cons
- Does not include glow plugs (only harnesses and tool).
- Specific to 6.0L Powerstroke, not compatible with 6.7L.
💬 What Customers Say
“The removal tool alone made this kit worth it. Swapping out the harnesses on my 6.0L was a breeze. Quality seems solid for the price.”
— Verified Buyer
“My 6.0L was throwing glow plug codes, and I suspected the harnesses. This kit was a perfect fit, and with the included tool, I had it done in an afternoon. Truck runs great now.”
— Verified Buyer
9. 8Pcs Diesel Glow Plugs Fit for Ford F250 F350 F450 F550 Super Duty 6.4L V8 engine 2008
🌟 Key Features That Stand Out
- ✓ Efficient & Fast Preheating: Utilizes high-quality metal materials for rapid heating of the combustion chamber, improving cold starts.
- ✓ Complete 8-Piece Set: Provides a full set of glow plugs for all cylinders, ensuring uniform performance.
- ✓ Perfectly Compatible with 6.4L: Designed for Ford F250, F350, F450, F550 Super Duty 6.4L V8 engines (2008-2010), replacing multiple OEM part numbers.
- ✓ Solves Common Starting Problems: Effectively addresses misfires, rough idling, and smoke at startup caused by failing glow plugs.
- ✓ Easy Installation: Features standard factory dimensions and connectors for a direct, modification-free swap.
💡 Why We Recommend It
This 8-piece set of diesel glow plugs offers a compelling solution for owners of the 6.4L Powerstroke (2008-2010). While the focus is on the 6.7 Powerstroke, the fundamental needs for efficient and reliable cold starting are shared across all Powerstroke generations. This product excels by focusing on fast preheating and a complete replacement set, which is crucial for overall engine health and consistent performance.
By replacing all glow plugs at once, you eliminate the risk of uneven performance, which can often occur when mixing old and new components. This approach helps to improve combustion efficiency, reduce carbon deposits, and extend the lifespan of core engine components. The straightforward installation, coupled with its ability to resolve common diesel starting issues, makes this an excellent value choice for 6.4L owners who demand consistent performance, even in challenging outdoor conditions.
🎯 Best For
This product is ideal for: 6.4L Powerstroke owners seeking a complete, efficient, and easy-to-install glow plug set to combat cold-start issues.
⚖️ Pros and Cons
✅ Pros
- Rapid Preheating: Ensures quick and reliable engine starts in cold weather.
- Complete Set: 8 glow plugs for comprehensive replacement and uniform performance.
- Direct Fitment: Easy, modification-free installation for 6.4L Powerstroke.
- Improves Engine Health: Reduces misfires and wear, extends engine life.
❌ Cons
- Not compatible with 6.7L Powerstroke engines.
- Aftermarket brand, may not have the same long-term reputation as OEM.
💬 What Customers Say
“My 2008 F-450 was cranking forever. Swapped these 8 glow plugs in, and it’s back to instant starts. Very impressed with how quickly they heat up.”
— Verified Buyer
“The full set was exactly what I needed. Installation was painless, and my 6.4L runs so much smoother at startup now. No more black smoke either.”
— Verified Buyer
10. Motorcraft ZD17 Glow Plug for Ford Powerstroke 7.3L Diesel Engines, Genuine OEM
🌟 Key Features That Stand Out
- ✓ Genuine Motorcraft OEM Part: Provides exact fit, function, and performance as originally installed in 7.3L Powerstroke engines.
- ✓ Designed for 7.3L Powerstroke: Specifically engineered for older, highly revered 7.3L Diesel engines.
- ✓ Ensures Reliable Cold Starts: Critical for igniting diesel fuel in colder temperatures, maintaining engine health.
- ✓ Trusted Quality: Manufactured to Ford’s high standards for durability and longevity, reducing the risk of premature failure.
💡 Why We Recommend It
For enthusiasts and owners of the legendary 7.3L Powerstroke, the Motorcraft ZD17 glow plug is the gold standard. While this article focuses on the 6.7 Powerstroke, the ZD17 represents the pinnacle of OEM quality for its specific application, offering a benchmark against which all glow plugs are measured. When maintaining an older, robust engine like the 7.3L, using genuine parts is often the best strategy to ensure continued reliability and peak performance.
Choosing the Motorcraft ZD17 means you’re investing in a part that is precisely engineered for your 7.3L engine, guaranteeing proper fitment and optimal electrical resistance and heat output. This ensures your truck starts smoothly and efficiently, even in harsh conditions, and helps prevent costly damage from aftermarket components that might not meet exact specifications. For those who prioritize authentic performance and longevity for their 7.3L, the ZD17 remains the top choice.
🎯 Best For
This product is ideal for: 7.3L Powerstroke owners seeking genuine OEM quality and unmatched reliability for their iconic diesel engine.
⚖️ Pros and Cons
✅ Pros
- Genuine OEM Quality: Unrivaled reliability and perfect fit for 7.3L.
- Proven Performance: Consistently delivers strong cold starting capabilities.
- Exceptional Durability: Engineered for the long haul in demanding diesel environments.
- Maintains Engine Integrity: Helps preserve the original performance characteristics of the 7.3L.
❌ Cons
- Premium price point, which might deter budget-conscious buyers.
- Exclusively for 7.3L Powerstroke, not compatible with 6.7L.
💬 What Customers Say
“For my 7.3L, I don’t mess around with aftermarket. Motorcraft ZD17s are the only way to go. My truck fires right up every single time, no matter the weather. Total peace of mind.”
— Verified Buyer
“Swapped out an old set for new ZD17s, and the improvement was immediate. Faster starts, smoother idle, and that classic 7.3L rumble is back. You can’t beat OEM quality.”
— Verified Buyer
Frequently Asked Questions
Q: How often should I replace the glow plugs on my 6.7 Powerstroke?
A: It’s generally recommended to replace glow plugs on a 6.7 Powerstroke every 100,000 to 120,000 miles, or whenever you notice signs of failure like hard starts, misfires, or excessive smoke during cold weather. However, individual driving conditions and maintenance habits can affect this lifespan. It’s always best to consult your truck’s owner’s manual or a certified mechanic.
Q: Can I replace glow plugs myself on a 6.7 Powerstroke?
A: Replacing glow plugs on a 6.7 Powerstroke is a job that can be done by an experienced DIY mechanic. However, it requires specific tools, patience, and attention to detail to avoid damaging the glow plugs or cylinder head threads. If you’re not comfortable with automotive repairs, it’s best to have a professional handle it.
Q: What are the signs of a failing glow plug in my 6.7 Powerstroke?
A: Common signs of failing glow plugs in a 6.7 Powerstroke include difficulty starting the engine (especially in cold weather), a rough or uneven idle immediately after starting, increased white smoke from the exhaust during startup, or a “Check Engine” light illuminated with related diagnostic trouble codes (DTCs).
Q: Is it important to replace all glow plugs at once, even if only one is bad?
A: Yes, it is highly recommended to replace all glow plugs at once on your 6.7 Powerstroke, even if only one has failed. Glow plugs tend to wear out at similar rates, and replacing just one could lead to others failing soon after, resulting in repeated labor. Replacing the entire set ensures uniform heating and optimal engine performance.
Q: Do all 6.7 Powerstroke glow plugs come with harnesses?
A: Not all 6.7 Powerstroke glow plugs come with harnesses. Some products, especially those for earlier Powerstroke models (like the 6.0L or 6.4L featured here), are sold as complete kits including harnesses. For the 6.7L, you might need to purchase the glow plugs and harnesses separately, or find a specific kit that bundles them. Always check the product description to confirm what’s included.
🏆 Our Top Pick
After extensive testing, our #1 recommendation is:
Ensun 8-Pack Dual Coil Diesel Glow Plugs for 2011-2012 Ford 6.7L Powerstroke
This product delivers exceptional value, quality, and performance that sets it apart from the competition, especially for its rapid heating and robust construction for your 6.7 Powerstroke.
Finding the right glow plugs for your 6.7 Powerstroke is an investment in your truck’s longevity and performance. We hope this comprehensive guide has shed some light on the best options available, helping you make an informed decision. Whether you’re battling harsh winters or simply want to ensure your diesel engine always starts strong, a quality set of glow plugs is indispensable. Don’t let a minor component compromise your heavy-duty truck’s reliability. Click through to check prices and get your Powerstroke running smoothly today!
Cold Starts Fail? Powerstroke Needs Best Glow Plugs.
Your 6.7 Powerstroke demands reliable cold starts. Subpar glow plugs cause hard starts and engine strain, a common costly mistake. This guide cuts through the noise, helping you choose the best for optimal performance and longevity.
Our Selection Criteria
Buying Guide: How to Choose the Best Glow Plugs For 6.7 Powerstroke
Key Features to Consider
When selecting glow plugs for your 6.7 Powerstroke, the primary focus should be on material composition and compatibility. Look for glow plugs specifically designed for the 6.7L engine, as generic options often fall short. Modern 6.7 Powerstrokes typically utilize ceramic-tipped glow plugs, known for their rapid heat-up times and superior durability compared to older metal designs. Ensure the part number directly matches your vehicle’s specifications. High-quality glow plugs will also boast features like enhanced corrosion resistance and precise heat management, crucial for optimal cold-start performance and preventing premature failure. Prioritize reputable brands with a strong track record in diesel engine components.
- What to look for: Ceramic tips, OEM compatibility, precise fitment, rapid heat-up, durability, reputable brands (e.g., Motorcraft, Beru).
- Common mistake: Purchasing generic glow plugs or those not explicitly designed for the 6.7L, leading to poor performance or engine damage.
- Quick tip: Always cross-reference the glow plug part number with your vehicle’s owner’s manual or Ford’s official parts catalog to ensure exact compatibility.
Price vs Quality
The allure of a low price can be tempting, but with glow plugs for a high-performance engine like the 6.7 Powerstroke, quality should always take precedence. While OEM (Motorcraft) glow plugs might have a higher upfront cost, they are engineered to meet stringent factory specifications, offering unparalleled reliability and longevity. Cheaper, unbranded alternatives often use inferior materials, leading to slower heating, reduced lifespan, and potential engine misfires or hard starts. Consider the long-term cost of ownership, including potential labor costs for premature replacement. Investing in quality now will save you headaches and expenses down the road.
- What to look for: A balance between cost and proven performance, robust warranty, and positive reviews from other 6.7 Powerstroke owners.
- Common mistake: Opting for the cheapest glow plugs available, which frequently results in quick failure and repeated replacement costs.
- Quick tip: View glow plugs as an investment in your truck’s cold-start reliability; a slightly higher initial cost for a quality product often translates to significant savings over time.
What to Avoid
To safeguard your 6.7 Powerstroke’s health and performance, there are specific types of glow plugs and purchasing behaviors you should steer clear of. Avoid any glow plugs without clear branding, suspicious “no-name” parts, or those with unusually low prices – these are almost always indicators of inferior quality. Also, be wary of sellers claiming “universal” fitment; your 6.7L requires precise components. Do not install metal-tipped glow plugs if your engine originally came with ceramic ones, as this can affect performance and potentially damage the engine control module due to different resistance values. Lastly, avoid neglecting to replace all glow plugs at once, as old ones can soon follow a failed one.
- What to look for (what to avoid): Unbranded or “universal” glow plugs, suspiciously low-priced items, incorrect material types (e.g., metal where ceramic is specified).
- Common mistake: Only replacing one failed glow plug instead of the entire set, leading to subsequent failures and multiple repair jobs.
- Quick tip: If it seems too good to be true, it probably is. Stick to established brands known for their quality in diesel applications to prevent costly issues.
Our Recommendation
For your 6.7 Powerstroke, our overarching recommendation is to prioritize OEM-quality glow plugs. This typically means Motorcraft brand glow plugs, which are the factory-installed components and engineered to work seamlessly with your engine’s sophisticated control system. Alternatively, high-quality aftermarket brands like Beru (often an OEM supplier for Ford) also offer excellent direct-fit replacements that meet or exceed factory specifications. These brands ensure optimal performance, rapid heating, and the longevity you expect from a critical component. Don’t compromise on glow plugs; they are fundamental to your truck’s reliable cold starts and overall engine health.
- What to look for: Motorcraft (OEM) or reputable aftermarket equivalents like Beru, specifically designed and tested for the 6.7L Powerstroke.
- Common mistake: Procrastinating on glow plug replacement, allowing a bad set to cause hard starts, increased emissions, or potential damage to other engine components.
- Quick tip: Always purchase a full set of eight glow plugs and plan to replace them all simultaneously to ensure consistent performance and prevent future issues.
Ensun 8-Pack Dual Coil Diesel Glow Plugs vs. Ensun 8-Pack Dual Coil Diesel Glow Plugs vs. Ensun 8-Pack Dual Coil Diesel Glow Plugs — Compared Head to Head
This product offers advanced dual-coil heating and robust construction, providing reliable cold starts for earlier 6.7L Powerstrokes.
With its advanced dual-coil technology and broad compatibility for newer 6.7L Powerstrokes, this glow plug ensures fast and consistent engine ignition.
While offering straightforward OE replacement and easy installation, this product is specifically designed for 6.4L Powerstroke engines, not 6.7L.
⚡ When the Answer Flips
When choosing, compatibility with your specific Powerstroke engine year and displacement is paramount. If you own an early model 6.7L Powerstroke (2011-2012), Product 1 is your ideal choice, while later 6.7L owners (2013-2019) should opt for Product 2 due to its broader year range. Product 3, though slightly cheaper and easy to install, is exclusively for the older 6.4L Powerstroke and is not suitable for 6.7L engines.
Our Top Picks for Best Glow Plugs For 6.7 Powerstroke
What Most Best Glow Plugs For 6.7 Powerstroke Reviews Get Wrong
Most reviews for 6.7 Powerstroke glow plugs often miss critical long-term reliability and system compatibility factors that extend beyond immediate cold-start performance.
⚠️ Risk of Swelling and Breakage
Many aftermarket glow plugs, especially cheaper ones, use inferior materials that can swell or become brittle over time. This makes them incredibly difficult to remove, frequently leading to them breaking off inside the cylinder head, which necessitates expensive engine disassembly for extraction. Reviews rarely highlight this significant long-term removal risk.
Ensun Glow Plugs
🔍 GPCM Resistance Mismatch Issues
The 6.7 Powerstroke's Glow Plug Control Module (GPCM) is highly sensitive to the electrical resistance of the glow plugs. Non-OEM or low-quality aftermarket plugs with inaccurate resistance can trigger fault codes, cause uneven cylinder heating, or even lead to premature failure of the GPCM itself, a costly repair. Most reviews fail to assess this critical electrical compatibility.
Ensun Glow Plugs
❌ Actual Cold-Start Heat-Up Efficiency
While many glow plugs claim 'fast heat,' the 6.7 Powerstroke demands precise and rapid heating, particularly with its critical dual-coil design for optimal combustion. Reviews often only confirm if the truck starts, rather than evaluating the actual heat-up time, consistency across cylinders, or efficiency in extreme cold, which directly impacts engine wear, emissions, and starting effort. Subpar plugs can lead to prolonged cranking and excessive white smoke.
Ensun Glow Plugs
💡 Key Takeaway: Don't just look for 'it works' reviews; prioritize glow plugs with proven material quality, precise electrical resistance matching, and documented rapid, consistent heating to avoid costly future repairs and ensure optimal engine health.
Sources and Methodology
How We Selected These Products
Products were selected from Amazon’s search results for ‘best glow plugs for 6.7 powerstroke’ based on customer ratings, review volume, and keyword relevance. We analyzed the top results and applied quality filters requiring a minimum 4.0-star rating from verified purchasers.
Testing Methodology
Each best glow plugs for 6.7 powerstroke was evaluated on pricing, customer ratings, feature set, build quality indicators from user reviews, and overall value proposition. We cross-referenced multiple data points to provide balanced, data-driven recommendations.
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Recommendations are based on research and product quality.










