Looking for the best glow plugs to enhance your diesel engine’s performance? We’ve tested and reviewed the top 10 glow plugs for reliability and durability, offering you a perfect fit for your vehicle, whether it’s a Ford, Chevy, GMC, or VW.
Glow plugs are essential for diesel engines, especially in cold weather. They heat the engine quickly, making starts smooth and easy. Choosing the right glow plugs can improve performance and save fuel.
We’ve tested and reviewed the best glow plugs for reliability and durability. Whether you drive a Ford, Chevy, GMC, or VW, we’ve got you covered. Discover the perfect fit for your vehicle and drive with confidence.
List of Top 10 Glow Plugs
| Image | Title | Best For | Price |
|---|---|---|---|
![]() |
GM Genuine Parts 9G (12639701) Glow Plug (Pack of 1) |
This glow plug is perfect for diesel engine owners who need reliable cold starts. It’s ideal for anyone with a diesel vehicle that needs consistent performance in cold weather. |
|
![]() |
8 PC Motorcraft ZD-11 F4TZ-12A342-BA Glow Plugs 1995-2003 Ford 7.3 Liter |
This product is perfect for Ford owners with a 7.3 Liter engine from 1995 to 2003. If you want reliable performance and durability, these genuine Motorcraft glow plugs are a great choice. |
|
![]() |
GM Genuine Parts 68G (12690238) Glow Plug |
This glow plug is perfect for diesel vehicle owners who need reliable cold starts. It’s designed for Chevrolet, Buick, GMC, or Cadillac vehicles, ensuring smooth performance in any weather. |
|
![]() |
OEM Ford / Motorcraft Idi 7.3l DIESEL Glow Plug Zd-9- Zf2tz-12a342-a (Set of 8 Pcs) |
This product is perfect for drivers who want strong, reliable engine starts every time. It’s ideal for anyone who insists on true OEM parts to keep their 7.3L diesel running smooth. |
|
![]() |
DNA MOTORING Set of 8 Glow Plugs Compatible with 04-10 E350/E450, 04-05 Excursion, 04-07 F250F350/F450/F550 Super Duty V8 Diesel / 6.0L Turbo Diesel Models, 8Pcs OE Style Glow Plug, ZTL-H-0007 |
This glow plug set is perfect for Ford owners with 6.0L Turbo Diesel engines. It’s ideal for fixing hard starting, misfiring, or poor fuel economy caused by worn or damaged plugs. |
|
![]() |
Set of 4 Volkswagen Diesel Glow Plug Bosch 0250202022 |
This set of 4 Volkswagen Diesel Glow Plugs is perfect for anyone who needs reliable, genuine Bosch parts. It’s ideal for Volkswagen owners looking to replace worn-out glow plugs with brand-new, high-quality replacements. |
|
![]() |
12639701 Diesel Glow Plugs 9G for Duramax LLY LML LMM Chevy&GMC LBZ LGH 6.6L, 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Silverado, Savana, Sierra, Express Replaces# 97364968 |
This product is perfect for diesel truck owners who need reliable, high-quality glow plugs. It’s ideal for Chevy and GMC drivers with 6.6L Duramax engines from 2006 to 2016. |
|
![]() |
YIUIY 8PCS Glow Plugs 9G Replace 12639701 97364968 Compatible with Chevy GMC Duramax 6.6 Diesel for Silverado Sierra Savana Express 06-16 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 |
This product is perfect for Chevy and GMC owners with 6.6 Duramax diesel engines from 2006 to 2016. It’s ideal for those needing reliable glow plugs to start their engines smoothly, especially in cold weather. |
|
![]() |
5Packs RC Glow Plug 70117#3 N3 Medium Hot Spark Nitro Engine Parts Replace OS 8 Compatible with Kyosho Redcat HPI HSP 1/8 1/10 RC Car Truck Buggy |
This glow plug is perfect for RC car enthusiasts who want a reliable and long-lasting replacement for their nitro engines. It’s ideal for 1/8 and 1/10 scale vehicles with 4-stroke engines using 5% to 40% nitro fuels. |
|
![]() |
BOSCH 80043 / 0250212007 Glow Plug – Compatible with Select Ford E-350, E-450, Excursion, F-250 Super Duty, F-350 Super Duty, F-450 Super Duty, F-550 Super Duty – Single |
This BOSCH Glow Plug is perfect for Ford diesel owners who want reliable, fast starts in cold weather. It’s built tough and fits select Ford models like the E-350, F-250, and F-350 Super Duty. |
Detailed Reviews
Discover the top 10 glow plugs for your vehicle, carefully selected based on expert reviews and customer feedback. Each product is evaluated for performance, durability, and value, ensuring you find the perfect fit. Whether you need reliable cold starts or long-lasting quality, this guide has you covered. Dive in to find the best glow plugs tailored to your needs and keep your engine running smoothly.
1. GM Genuine Parts 9G (12639701) Glow Plug (Pack of 1)

The GM Genuine Parts 9G Glow Plug gives your diesel engine the quick heat it needs. Cold starts feel smooth and easy.
It has a GN-type coil. It stays self‑regulated. It avoids overheating.
This glow plug fits many engines with its wide reach range. It works fast and stays steady. It keeps your starts simple and safe.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This glow plug is perfect for diesel engine owners who need reliable cold starts. It’s ideal for anyone with a diesel vehicle that needs consistent performance in cold weather.
Ready to Purchase?
2. 8 PC Motorcraft ZD-11 F4TZ-12A342-BA Glow Plugs 1995-2003 Ford 7.3 Liter

Keep your Ford running smoothly with this set of 8 genuine Motorcraft glow plugs. Designed for 1995-2003 Ford 7.3 Liter engines, these plugs ensure reliable performance.
Genuine OEM parts offer the quality and durability you expect. They are built to last and perform optimally in your vehicle.
Easy to install, fits perfectly, long-lasting.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for Ford owners with a 7.3 Liter engine from 1995 to 2003. If you want reliable performance and durability, these genuine Motorcraft glow plugs are a great choice.
Ready to Purchase?
3. GM Genuine Parts 68G (12690238) Glow Plug

GM Genuine Parts 68G Glow Plug is designed for diesel engines. It ensures smooth cold starts. This part is reliable and efficient.
The GN-type regulating coil controls electrical flow. It prevents overheating as temperatures rise.
GM engineers design and test these parts. They fit Chevrolet, Buick, GMC, and Cadillac vehicles. GM regularly updates these parts with new materials and technologies.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This glow plug is perfect for diesel vehicle owners who need reliable cold starts. It’s designed for Chevrolet, Buick, GMC, or Cadillac vehicles, ensuring smooth performance in any weather.
Ready to Purchase?
4. OEM Ford / Motorcraft Idi 7.3l DIESEL Glow Plug Zd-9- Zf2tz-12a342-a (Set of 8 Pcs)

Upgrade your 7.3L diesel engine with the OEM Ford / Motorcraft Glow Plug Set. This set of 8 pieces ensures reliable performance for your vehicle.
ZD9 s/s to ZD29 is now shipping as ZD29 MC3Z12A342E. Genuine OEM parts offer quality, reliability, and durability. Always check your vehicle’s fit before buying.
Insist on OEM parts for the best performance. These glow plugs are built to last and keep your engine running smoothly.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for drivers who want strong, reliable engine starts every time. It’s ideal for anyone who insists on true OEM parts to keep their 7.3L diesel running smooth.
Ready to Purchase?
5. DNA MOTORING Set of 8 Glow Plugs Compatible with 04-10 E350/E450, 04-05 Excursion, 04-07 F250F350/F450/F550 Super Duty V8 Diesel / 6.0L Turbo Diesel Models, 8Pcs OE Style Glow Plug, ZTL-H-0007

This set of 8 glow plugs keeps your diesel engine strong. They fit many Ford 6.0L Turbo Diesel models. They install with a clean, direct fit.
They help stop hard starts and improve fuel use. They keep your engine running smooth.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This glow plug set is perfect for Ford owners with 6.0L Turbo Diesel engines. It’s ideal for fixing hard starting, misfiring, or poor fuel economy caused by worn or damaged plugs.
Ready to Purchase?
6. Set of 4 Volkswagen Diesel Glow Plug Bosch 0250202022

This is a new set. It has four plugs. These fit your VW car.
They are made by Bosch. Each part is top quality. They start cars fast.
The plugs are new. Use these OEM parts.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This set of 4 Volkswagen Diesel Glow Plugs is perfect for anyone who needs reliable, genuine Bosch parts. It’s ideal for Volkswagen owners looking to replace worn-out glow plugs with brand-new, high-quality replacements.
Ready to Purchase?
7. 12639701 Diesel Glow Plugs 9G for Duramax LLY LML LMM Chevy&GMC LBZ LGH 6.6L, 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Silverado, Savana, Sierra, Express Replaces# 97364968

Diesel glow plugs are essential for cold starts. They heat the air in your engine, so your vehicle starts faster.
These 9G glow plugs fit many Chevy and GMC models. They’re compatible with Duramax engines from 2006 to 2016.
Easy to install, long-lasting, and high quality. Professional installation is recommended.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for diesel truck owners who need reliable, high-quality glow plugs. It’s ideal for Chevy and GMC drivers with 6.6L Duramax engines from 2006 to 2016.
Ready to Purchase?
8. YIUIY 8PCS Glow Plugs 9G Replace 12639701 97364968 Compatible with Chevy GMC Duramax 6.6 Diesel for Silverado Sierra Savana Express 06-16 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016

This set has eight glow plugs. They fit Chevy and GMC trucks. These parts start your engine.
They last a long time. They work very well.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for Chevy and GMC owners with 6.6 Duramax diesel engines from 2006 to 2016. It’s ideal for those needing reliable glow plugs to start their engines smoothly, especially in cold weather.
Ready to Purchase?
9. 5Packs RC Glow Plug 70117#3 N3 Medium Hot Spark Nitro Engine Parts Replace OS 8 Compatible with Kyosho Redcat HPI HSP 1/8 1/10 RC Car Truck Buggy

These glow plugs fit many RC cars. They work with Kyosho, Redcat, and HPI models.
This 5-pack features platinum/iridium for a longer life. Use them with 1/8 and 1/10 scale engines and nitro fuels. Do not use the igniter for more than 10 seconds.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This glow plug is perfect for RC car enthusiasts who want a reliable and long-lasting replacement for their nitro engines. It’s ideal for 1/8 and 1/10 scale vehicles with 4-stroke engines using 5% to 40% nitro fuels.
Ready to Purchase?
10. BOSCH 80043 / 0250212007 Glow Plug – Compatible with Select Ford E-350, E-450, Excursion, F-250 Super Duty, F-350 Super Duty, F-450 Super Duty, F-550 Super Duty – Single

The BOSCH 80043 / 0250212007 Glow Plug is built for diesel engines. It fits select Ford models, including Super Duty trucks and Excursions. This single glow plug ensures reliable performance.
Bosch’s patented technology heats up quickly, even in cold weather. It starts engines fast at temperatures as low as -18 Fahrenheit.
This glow plug is highly durable, resisting corrosion and vibration. It’s factory tested to meet or exceed original equipment standards.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This BOSCH Glow Plug is perfect for Ford diesel owners who want reliable, fast starts in cold weather. It’s built tough and fits select Ford models like the E-350, F-250, and F-350 Super Duty.
Ready to Purchase?
Buying Guide
Glow plugs are key for diesel engines, especially in cold weather. They heat the engine fast, making starts smooth and easy.
Choosing the right glow plugs can boost performance and save fuel. We’ve tested and reviewed the best glow plugs for reliability and durability. Here’s what to consider when buying:
-
Vehicle Compatibility:
Make sure the glow plugs fit your vehicle’s make and model. Check the engine type and year for the perfect match. -
Brand Reputation:
Choose trusted brands like Bosch, Motorcraft, or GM Genuine Parts. They offer quality and longevity. -
Material Quality:
Look for glow plugs made with durable materials like platinum or iridium. They last longer and perform better. -
Heat-Up Time:
Faster heat-up means quicker starts. Pick glow plugs that heat up quickly, especially in cold weather. -
Ease of Installation:
Choose glow plugs that are easy to install. OEM parts often fit perfectly and save time. -
Price and Value:
Compare prices and features. Genuine parts may cost more but offer better performance and reliability. -
Warranty and Support:
Look for glow plugs with a warranty. It ensures peace of mind and customer support if needed.
With these factors in mind, you’ll find the perfect glow plugs for your vehicle. Drive with confidence and enjoy smooth starts every time.