6.6 DURAMAX GASKET
6.6 Duramax Gasket
Aftermarket Solutions
The 6.6 Duramax diesel engine has evolved through multiple generations, each with different gasket and sealing requirements. From turbochargers and fuel injectors to EGR systems and oil coolers, selecting the correct gaskets starts with identifying the engine model and application.
MJ GASKET offers a range of 6.6 Duramax gasket solutions for aftermarket distributors, rebuilders, and service companies. With consistent supply and flexible B2B sourcing options, we support replacement and repair needs across different Duramax engine generations.
6.6 Duramax Gasket Solutions
6.6 Duramax Turbo Gaskets & Seal Kits
All supplied applications are shown. Select an engine to highlight listed matches.
6.6 Duramax Turbo Gasket Details:
- MJ-LB7TRBO1Turbo gasket kit for 2001–2004 LB7, 2004.5–2005 LLY, 2006–2007 LBZ, and 2007.5–2010 LMM Duramax engines. Individual gaskets are also available separately.
- MJ-LB7TRBO2Includes the same gaskets as MJ-LB7TRBO1, plus a 97192619 turbo downpipe gasket for Federal Emissions applications.
- 12637217Upper turbo oil return pipe gasket for 2011–2016 Duramax LML engines.
- 12637218Lower turbo oil return pipe gasket for 2011–2016 Duramax LML engines.
- MJ-L5PTRBO1Turbo gasket kit for 2017–2023 Duramax L5P engines. Individual gaskets are also available separately.
- 12688018Exhaust turbo gasket for 2017 and later Duramax engines.
- 12688019Exhaust turbo gasket for 2017 and later Duramax engines.
- 12700564Turbo gasket for 2024 and later Duramax L5P engines.
6.6 Duramax Fuel Injector Seals & Gaskets
All supplied applications are shown. Select an engine to highlight listed matches.
6.6 Duramax Fuel Injector Gasket Details:
- MJ-LB7FUEL2Fuel injector seal kit for 2001–2004 Duramax LB7 engines. Includes high-pressure feed O-rings, copper washers, and injector body O-rings (4 pieces each).
- MJ-LLYLMMINJ1, MJ-LLYLMMINJ2Fuel injector seal kits for 2004.5–2005 LLY, 2006–2007 LBZ, and 2007.5–2010 LMM Duramax engines. Includes injector fuel return line seals, copper washers, and fuel injector O-rings. Available in 4-piece and 8-piece kits.
- 19256465Fuel injector nozzle seal kit for 2011–2016 Duramax LML engines.
- MJ-L5PINJ1Fuel injector seal kit for 2017–2026 Duramax L5P engines. Includes 8 fuel injector O-rings and washers.
6.6 Duramax EGR Gaskets & Seal Kits
All supplied applications are shown. Select an engine to highlight listed matches.
6.6 Duramax EGR Gasket Details:
- MJ-INTLMM1Intake gasket kit for 2006–2010 Duramax LBZ and LMM engines. Includes two rubber intake tube seals, intake Y-bridge gaskets, and one rubber-coated Y-bridge-to-upper-intake-pipe gasket.
- MJ-EGRVALLMM1EGR valve gasket kit for 2007.5–2010 Duramax LMM engines. Includes the necessary gaskets and seals for the EGR valve.
- MJ-INTEGRLMMIntake-to-EGR valve gasket kit for 2007.5–2010 Duramax LMM engines. Includes all components from MJ-INTLMM1, plus EGR valve gaskets.
- MJ-LMLEGRKIT1EGR valve gasket kit for 2011–2016 Duramax LML engines. Includes the necessary gaskets and seals for the EGR valve.
- MJ-L5PEGRKITEGR gasket kit for 2017–2026 Duramax L5P engines. Includes 10 gaskets and seals for key EGR system connections, including the EGR valve and EGR cooler.
6.6 Duramax Oil Cooler Gaskets & Seals
All supplied applications are shown. Select an engine to highlight listed matches.
6.6 Duramax Oil Cooler Gasket Details:
- 97192666Front oil cooler adapter gasket for 2001–2016 Duramax engines. Seals the oil cooler side of the adapter.
- 97358847Engine oil cooler seal for 2001–2016 Duramax engines. Seals the joint between the oil cooler housing halves.
- 12640850Oil cooler inlet gasket for 2001–2026 Duramax engines. Replaces OE part number 97358842.
- 12640849Oil cooler outlet gasket for 2001–2026 Duramax engines. Replaces OE part number 97358841.
- 12709792Oil cooler adapter gasket for 2001–2026 Duramax engines. Seals the connection between the oil cooler adapter and engine rear cover. Replaces OE part number 97192667.
6.6 Duramax Valve Cover Gaskets & Kits
All supplied applications are shown. Select an engine to highlight listed matches.
6.6 Duramax Valve Cover Gasket Details:
- MJ-LB7VALINJ1Valve cover gasket kit for 2001–2004 Duramax LB7 engines. Includes one valve cover gasket, 12 valve cover grommets, and 4 fuel injector nozzle seals.
- 97312341Upper valve cover gasket for 2004.5–2010 Duramax LLY, LBZ, and LMM engines.
- 12628569Upper valve cover gasket for 2011–2016 Duramax LML engines.
- 97321295Lower valve cover gasket for 2004.5–2016 Duramax LLY, LBZ, LMM, and LML engines. Seals the connection between the cylinder head and valve cover spacer.
6.6 Duramax Water Pump Gaskets & Seals
All supplied applications are shown. Select an engine to highlight listed matches.
6.6 Duramax Water Pump Gasket Details:
- MJ-WPSKLB7LML1Water pump seal kit for 2001–2016 Duramax LB7, LLY, LBZ, LMM, and LML engines. Includes one water pump outlet pipe gasket, two thermostat bypass pipe O-rings, and one water pump gasket.
- 97188663Water pump outlet gasket for 2001–2016 Duramax LB7, LLY, LBZ, LMM, and LML engines. Seals the connection between the water pump outlet and the pipe leading to the oil cooler assembly.
6.6 Duramax Gasket FAQ
Common Questions About 6.6 Duramax Coverage, Gasket Supply & Custom Projects
FAQs on Sourcing 6.6 Duramax Gaskets
1. Can MJ GASKET supply 6.6 Duramax gaskets beyond those listed?
Yes. Featured products represent only part of our 6.6 Duramax gasket range. Additional gaskets and seal kits are available for various applications. Please share your required OE part numbers for availability review.
2. Can MJ GASKET support bulk sourcing for multiple 6.6 Duramax gaskets?
Yes. We support bulk inquiries across multiple gasket types and engine generations. Please share your priority part numbers, estimated quantities, and purchasing requirements so our team can review suitable supply options.
3. Can MJ GASKET support ongoing supply for distributors and wholesalers?
Yes. We work with aftermarket distributors, wholesalers, and engine parts suppliers to support recurring gasket needs. Availability, order quantities, and supply arrangements can be discussed based on your requirements.
4. What information is needed when requesting 6.6 Duramax gaskets?
Please provide OE part numbers, required quantities, and any specific product or packaging requirements. Send your inquiry to gasket@mj-deyi.com.tw, and our team will review and follow up.
5. Does MJ GASKET offer custom packaging for 6.6 Duramax gaskets?
Yes. We offer B2B packaging options, including bags, boxes, labels, and logo printing. Details can be discussed based on your branding and order requirements.
MJ GASKET - Professional Aftermarket Gasket Manufacturer
Founded in Taiwan, MJ GASKET is a professional aftermarket gasket manufacturer and sealing solution provider, serving global customers across industrial, marine, pickup truck diesel, and hydraulic applications.
With years of industry expertise and a strong focus on quality, MJ GASKET is committed to delivering dependable aftermarket sealing solutions that meet the needs of professional distributors, engine builders, and industrial partners worldwide.
Explore our full range of gasket products and feel free to Contact Us for support or cooperation opportunities.