When your diesel engine starts overheating, losing coolant, or mixing oil with antifreeze, a blown head gasket is often the culprit. Replacing it is a major job, but having the right kit makes all the difference. A quality head gasket set ensures a proper seal, prevents future failures, and gets your truck back on the road.
This guide reviews ten top-rated diesel head gasket kits, covering popular engines like the 6.4 Powerstroke, 6.0 Powerstroke, 6.7 Cummins, and more. We break down fitment, included parts, and key features to help you choose the right kit for your vehicle and budget.
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Cylinder Head Gasket Set Kit with Bolts Fit for 6.4 Powerstroke Diesel Turb…
Best forComplete 6.4 Powerstroke overhaul
- Includes head bolts
- Full gasket set
ConsiderLimited to 6.4L engines
Cylinder Head Gasket Set (18mm) with Head Bolts Kit Fit for 6.0 Powerstroke…
Best for6.0 Powerstroke with 18mm bolts
- Includes 18mm bolts
- Covers many models
ConsiderOnly for 6.0L engines
Partsflow Full Head Gasket Set Kit OE# 4089649 3804897
Best forClassic Dodge Ram 5.9L diesel
- Direct fitment
- Includes oil pan gasket
ConsiderOlder models only
XQSMWF 6.7L Diesel Engine Head Gasket Set Compatible with Dodge Ram 2500 35…
Best for6.7 Cummins across all trims
- Covers 2007-2018
- MLS head gasket
ConsiderNo head bolts
Gasket Kit Head for Detroit Diesel S60 12.7L (23532333)
Best forDetroit Series 60 12.7L rebuild
- Specific to S60
- Includes many seals
ConsiderOnly for 12.7L
Block Tester BT-500 Head Gasket Combustion Leak Test Kit – Made in USA
Best forDiagnosing head gasket leaks
- Made in USA
- Easy visual indicator
ConsiderNot a gasket kit
LOVEZOE Cylinder Head Gasket Set for 6.6L Duramax LLY LBZ LML 2004-2010 | D…
Best forDuramax LLY, LBZ, LML engines
- Covers multiple Duramax variants
- Premium materials
ConsiderNo head bolts
6.4L Head Gasket Set w/Bolts For 2008-2010 Ford F250 F350 Powerstroke Diese…
Best for6.4 Powerstroke with bolts
- Includes bolts
- OEM specifications
ConsiderOnly for 6.4L
Dual-Chamber Head Gasket Tester Kit,Accurately & Quickly Detects Leaks in H…
Best forPrecise dual-chamber leak testing
- Dual-chamber accuracy
- Quick results
ConsiderNot a gasket kit
Assembroverse 68147397AA 3.0L EcoDiesel Head Gasket Kit
Best for3.0L EcoDiesel Ram and Jeep
- Exact fit for EcoDiesel
- Stops leaks effectively
ConsiderOnly for 3.0L V6
WANGSHENG 6.4 Powerstroke Gasket Set – Complete Overhaul Kit
Brand: WANGSHENG
A complete, all-in-one kit for 6.4 Powerstroke owners needing a full gasket replacement.
If you own a 2008-2010 Ford Super Duty with the 6.4L Powerstroke, this WANGSHENG kit is a comprehensive solution. It includes the MLS head gasket, valve cover gaskets, valve stem seals, front camshaft seal, O-rings, and other small gaskets. You also get 20 long cylinder head bolts and 10 short ones, so you have everything needed for a full head gasket replacement.
The kit is designed to fit F-250, F-350, F-450, and F-550 models with the 6.4L V8 diesel turbo. The part numbers HS26565PT, CS54657, and ES72581 match OEM specifications, ensuring a proper fit. This set saves you the hassle of sourcing individual gaskets and bolts, making it a practical choice for a complete repair.
- Includes head bolts
- Full gasket set
- OEM part numbers
- Limited to 6.4L engines
- Brand not widely known
WANGSHENG 6.0 Powerstroke Gasket Set – 18mm Bolts
Brand: WANGSHENG
A comprehensive kit with the right bolts for 6.0 Powerstroke repairs.
This WANGSHENG kit is tailored for the 6.0L Powerstroke diesel, covering 2003-2010 Ford F-Series Super Duty trucks and vans. It includes MLS head gaskets, valve cover gaskets, head bolts, valve stem seals, intake and exhaust manifold gaskets, and a front camshaft seal. The 18mm head bolts are a specific upgrade for this engine, addressing a common failure point.
The kit fits F-250, F-350, F-450, F-550, E-350, E-450, and Excursion models with the 6.0L V8. It also works with 2004-2005 E-350 Club Wagons. This set provides everything you need for a head gasket job, eliminating the need to buy separate components. It’s a reliable option for restoring your 6.0’s sealing integrity.
- Includes 18mm bolts
- Covers many models
- Complete set
- Only for 6.0L engines
- No brand reputation
PartsFlow Full Gasket Set – Dodge Ram 5.2L/5.9L/8.0L
Brand: PartsFlow
A reliable, direct-fit gasket set for 1994-1998 Dodge Ram trucks.
This PartsFlow kit is a direct-fit replacement for Dodge Ram trucks from 1994-1998, covering 5.2L, 5.9L, and 8.0L engines. It includes the full upper and lower gasket set, plus an oil pan gasket. The kit replaces OE numbers 3802376, 4089649, 3804897, EH50020, and KBCSFGT6B, ensuring compatibility with your specific model.
Designed with original car molds, this set requires no additional modification for installation. It fits Ram 2500, 3500, and vans, as well as D250 models. If you’re rebuilding a classic Dodge diesel or gas engine, this kit provides all the gaskets you need in one package, making your repair straightforward.
- Direct fitment
- Includes oil pan gasket
- Covers multiple engines
- Older models only
- No head bolts included
XQSMWF 6.7L Cummins Gasket Set – 2007-2018 Rams
Brand: XQSMWF
A complete, reliable gasket set for 6.7L Cummins engines in Ram trucks.
For Dodge Ram 2500, 3500, 4500, and 5500 trucks with the 6.7L turbo diesel (2007-2018), this XQSMWF kit is a comprehensive solution. It includes an MLS head gasket, valve cover gasket, valve stem seals, intake and exhaust manifold gaskets, front camshaft seal, O-rings, and other small gaskets. The kit replaces HS54774-1 / HS547741, covering all trim levels.
The engine-grade design provides excellent sealing performance under high pressure and temperature, which is crucial for diesel engines. Whether you have a Laramie, SLT, or Tradesman, this kit fits across the board. It eliminates the need to hunt for individual parts, giving you everything for a cylinder head job in one box.
- Covers 2007-2018
- MLS head gasket
- All trim levels
- No head bolts
- Brand less known
DDTP Detroit Diesel S60 Gasket Kit – 12.7L
Brand: DDTP ADVANCE PERFORMANCE
A specialized gasket kit for Detroit Diesel S60 engines needing a full reseal.
This DDTP Advance Performance kit is designed for the Detroit Diesel Series 60 12.7L engine. It includes a comprehensive list of seals and gaskets: thermostat seals, turbo oil drain tube gasket, camshaft seals, thrust plate seals, and a cylinder head gasket. The kit also covers air intake and exhaust manifold gaskets.
Each component is specifically engineered for the S60, ensuring a precise fit. The kit includes seals for the camshaft thrust plate, front camshaft cap, and racetrack front camshaft cap, addressing common leak points. If you’re overhauling a Series 60, this kit provides the necessary parts to reseal the engine effectively.
- Specific to S60
- Includes many seals
- High-quality parts
- Only for 12.7L
- No head bolts
Block Tester BT-500 – Combustion Leak Test Kit
Brand: Block Tester
A must-have diagnostic tool to confirm head gasket failure before repair.
Before you tear down your engine, confirm the head gasket is actually blown. The Block Tester BT-500 is a complete combustion leak test kit made in the USA. It includes fluid and all necessary components, so you have nothing else to buy. The test takes seconds and gives you a clear visual result.
Simply attach the tester to your radiator or coolant reservoir, run the engine, and watch the fluid. If it turns from blue to yellow, combustion gases are leaking into the coolant, indicating a blown head gasket, cracked head, or warped sealing surface. This tool is essential for accurate diagnosis, saving you time and money on unnecessary repairs.
- Made in USA
- Easy visual indicator
- Complete kit
- Not a gasket kit
- Requires engine running
LOVEZOE Duramax 6.6L Gasket Set – LLY, LBZ, LML
Brand: LOVEZOE
A durable, complete gasket set for 6.6L Duramax engines from 2004-2010.
This LOVEZOE kit is engineered for the 6.6L Duramax diesel, covering LLY, LBZ, and LML engines from 2004-2010. It includes everything for a professional head gasket replacement: MLS head gaskets, valve cover gaskets, valve stem seals, intake and exhaust manifold gaskets, and more. The kit replaces OE numbers HSU26269-1, 26401PT, and 26402PT.
It fits Chevrolet Silverado 2500/3500 HD, GMC Sierra 2500/3500 HD, and Express/Savana vans with the 6.6L. The premium diesel-grade materials are built to withstand high temperatures and pressures, ensuring a long-lasting seal. Verify your existing part number matches to ensure correct fitment, but this kit is a solid choice for Duramax owners.
- Covers multiple Duramax variants
- Premium materials
- Complete set
- No head bolts
- Fitment verification needed
TREXCAR 6.4L Powerstroke Gasket Set – with Bolts
Brand: TREXCAR
A reliable kit with bolts for 6.4 Powerstroke owners doing their own repair.
Another solid option for the 6.4L Powerstroke is this TREXCAR kit, designed for 2008-2010 Ford F-250 and F-350 Super Duty trucks. It includes the MLS head gasket set, valve cover gaskets, and all necessary bolts. The OE part numbers HS26565PT, CS26565, ES72581, and ES72242 ensure a match to factory specs.
The kit is engineered for aftermarket repairs and DIY projects, meeting OEM specifications for reliable sealing. It fits the 6.4L 391CID V8 diesel OHV turbocharged engine with VIN code R. If you’re tackling a head gasket job on your Powerstroke, this set provides the gaskets and bolts you need in one package.
- Includes bolts
- OEM specifications
- DIY friendly
- Only for 6.4L
- Limited to 2008-2010
IDEASHIP Dual-Chamber Tester – Accurate Leak Detection
Brand: IDEASHIP
An advanced tester that gives you reliable confirmation of head gasket leaks.
The IDEASHIP dual-chamber head gasket tester is another diagnostic tool that helps you identify gasket failures before disassembly. Its dual-chamber design separates the intake chamber from the reaction chamber, filtering out coolant impurities for more accurate results. This ensures only combustion gases reach the test fluid.
To use, add the included 8.5oz of test fluid, run the engine, and watch for a color change from blue to yellow within minutes. If it changes, you have a combustion leak. The transparent chamber makes it easy to read. This tester is a practical investment for any diesel owner who wants to confirm a head gasket issue without guesswork.
- Dual-chamber accuracy
- Quick results
- Includes fluid
- Not a gasket kit
- Requires careful setup
Assembroverse 3.0L EcoDiesel Gasket Kit – 2014-2018
Brand: Assembroverse
A precise gasket kit for 3.0L EcoDiesel engines in Ram 1500 and Grand Cherokee.
For the 3.0L EcoDiesel V6 found in Ram 1500 and Jeep Grand Cherokee (2014-2018), this Assembroverse kit is a perfect fit. It replaces multiple OE numbers including 10205300, 10205310, 10205400, and 68147402AA, among others. The kit includes all necessary gaskets and seals for a head gasket replacement.
The gaskets create a tight, pressure-tight seal between the cylinder head and block, stopping oil and coolant leaks while optimizing engine heat management. Built to high standards, each component is designed for long-lasting performance. If you own a 3.0L EcoDiesel, this kit ensures your engine stays sealed and efficient.
- Exact fit for EcoDiesel
- Stops leaks effectively
- High-quality materials
- Only for 3.0L V6
- No head bolts
Buyer’s Guide: What to Consider
Choosing the right diesel head gasket kit involves more than just picking a part number. You need to consider fitment, materials, and what’s included. This guide highlights key factors to help you make an informed decision for your engine repair.
- Vehicle Compatibility: Always verify that the kit matches your exact make, model, year, and engine size. For example, a 6.4 Powerstroke kit won't fit a 6.0. Check the engine code (like VIN R) and compare part numbers to ensure a proper fit.
- Included Components: Look for kits that include head bolts, valve cover gaskets, intake/exhaust manifold gaskets, and seals. A complete set saves time and ensures you have everything for the job. Some kits may omit bolts, so check the list carefully.
- Gasket Material: Multi-layer steel (MLS) gaskets are preferred for diesel engines due to their durability and ability to withstand high compression and heat. They provide a better seal than older composite materials, reducing the risk of future failures.
- Brand Reputation: While lesser-known brands can offer good value, established brands often have better quality control and customer support. Read reviews and look for warranties. For critical engine components, reliability is key, so choose a brand with positive feedback.
- Diagnostic Tools: Before buying a gasket kit, use a combustion leak tester to confirm the head gasket is blown. This prevents unnecessary disassembly. Testers are affordable and easy to use, giving you confidence in your repair decision.
Conclusion
Selecting the right head gasket kit is crucial for a successful diesel engine repair. Whether you drive a Powerstroke, Cummins, Duramax, or EcoDiesel, there’s a kit tailored to your engine. Always verify fitment and consider the included components to avoid delays.
For most applications, the WANGSHENG kits offer comprehensive coverage, while diagnostic tools like the Block Tester help confirm the issue. Invest in a quality kit to ensure a reliable seal and long engine life.
Erica Steven is the founder and lead writer of WorstBrands, a site dedicated to providing honest and trustworthy reviews about outdoor gear and fashion products.
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