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Shop Duramax Diesel Head Gaskets, Gasket Kits, & Seals

Head Gaskets, Upper & Lower Engine Gasket Kits, Oil Pan Gaskets, Crank Seals, & more for the 2001+ GM 6.6L Duramax Diesel Trucks.

We offer top brands such as AC Delco, Alliant Power, Mahle, & more!

01-07 GM 6.6L Duramax Cometic MLS Head Gasket (Left)
Backordered
Brand: Cometic Gasket Inc Part Number: C5883-0XX
All on Backorder with No ETA   **Updated on 02/22/2024** The Cometic C5883 MLS Head Gasket for your 2001-2007 GM 6.6L Duramax is comprised of multiple embossed layers of both viton coated and uncoated stainless steel. The embossed outer layers of the gaskets meet the demands of a va..
$147.28
Brand: Alliant Power Part Number: AP0052
The Alliant AP0052 Head Gasket is a direct replacement for your 2001-2010 GM 6.6L Duramax. Alliant Power provides OEM quality, without the OEM price. Keeping Original Equipment Manufacturer (OEM) product as the preferred service part so vehicles and equipment continue to perform like new and provide..
$40.47
Brand: Alliant Power Part Number: AP0063
Alliant Head installation kit for 04-10 GM 6.6L Duramax without headgaskets and without studs by Alliant Power.Part number: AP0063..
$574.54
Brand: Alliant Power Part Number: AP0046
Alliant Head installation kit for 04-10 GM 6.6L Duramax with ARP Studs; without headgaskets by Alliant Power.Part number: AP0046..
$1,413.91
Brand: Alliant Power Part Number: AP0130
Alliant Power high pressure fuel pump/ exhaust gas recirculation (HPFP/EGR) valve installation kit for 07-10 GM LMM 6.6L Duramax.Part number: AP0130..
$66.98
Brand: DFUSER Part Number: DFR-1002180
These stainless steel up-pipes for the 2001-2004 6.6L LB7 Duramax engine are a great upgrade over the stock up-pipes. The mandrel-bent up-pipes flow better than the factory-installed pipes, and they are also less likely to crack and cause restrictions or power-robbing pre-turbo exhaust leaks. Th..
$189.99
Brand: Dipaco Part Number: DT660027
The DTech DT660027 Valve Cover Gasket & Injector Installation Kit is the gasket kit you want to have when installing injectors in your 2001-2004 GM 6.6L Duramax LB7. This kit is meant to service one cylinder bank. It include (1) lower rocker arm cover gasket, (12) cover bolt noise isolator ..
$73.84
Brand: Dipaco Part Number: DT660014
The DTech DT660014 Valve Cover Noise Isolator Grommets are a direct replacement for the OE Isolators in your 2001-2004 GM 6.6L Duramax. With the increasing age of these trucks, replacement of gaskets and seals like this are recommended for a leak-free repair. OE style quality, built to meet or ..
$38.43
Brand: Mahle Part Number: GS33757
Fits: 2001-2004 GM 6.6L Duramax LB7 MAHLE GS33757 Valve Cover Gasket & Injector Seal Kit is an OEM replacement gasket kit for your 2001-2004 GM 6.6L Duramax LB7. The Valve Cover Gasket & Injector Seal Kit provides your Duramax with a factory performance and replaces tired and damaged ga..
$75.76
Brand: Mahle Part Number: VS50549
Fits: 2001-2004 GM 6.6L Duramax Regardless of what application you're trying to seal, you can count on Mahle doing the research and testing to provide the optimum material and technology for that specific task. No other gasket distributor offers their application-engineered approach to sealing ..
$65.56
Brand: Alliant Power Part Number: AP0062
Alliant Head installation kit for LB7 Duramax without headgaskets and without studs by Alliant Power.Part number: AP0062..
$405.34
Brand: Bosch Part Number: 1928300718
Genuine Bosch fuel pressure regulator O-Ring Seal for 01-04 GM LB7 6.6L Duramax.Part number: 1928300718..
$1.87
Brand: Dirty Hooker Diesel Part Number: 007-0105
Replace your damaged or inoperative Duramax PCV valve with this all in one service kit from DHD. As your truck ages these diaphragms swell and distort from exposure to temperature cycles and engine oil. This distortion can decrease the valves efficiency and lead to oil leaks. DHD's service kit inclu..
$34.99
Brand: Mahle Part Number: MS19402
Mahle Intake Manifold Gasket kit for 2001-2005 GM 6.6L Duramax LB7/LLYPart number: MS19402..
$10.06
Brand: Mahle Part Number: C32062
Fits: 2001-2005 GM 6.6L Duramax LB7/LLYThis Mahle C32062 Water Pump Gasket is the perfect component for replacing your water pump gasket in your 2001-2005 GM 6.6L LB7/LLY. Made to factory specifications, the Water Pump Gasket maintains a tight seal. Features: OE QualityMaintains a Factory ..
$4.60
Brand: Merchant Automotive Part Number: 22049
This is the rear output seal for NP261XHD and NP263XHD transfer cases with an integrated boot.What is a Transfer Case "Pump Rub" Failure?GM transfer cases used from 1998 through early 2007 use a gear pump inside the case that is driven off the mainshaft. The pump forces oil to the planetary as well ..
$44.72
Brand: Cometic Gasket Inc Part Number: PRO3008B
The Cometic PRO3008B Bottom End Gasket Kit for your 2001-2007 GM 6.6L Duramax provides the seals and gaskets needed to reseal the bottom end of your engine. Protect your engine, time and money with Cometic StreetPro Gasket Kits. Cometic Gasket has spent hundreds of hours of research and develop..
$171.94
Brand: Cometic Gasket Inc Part Number: C5882-0XX
The Cometic C5882 MLS Head Gasket for your 2001-2007 GM 6.6L Duramax is comprised of multiple embossed layers of both viton coated and uncoated stainless steel. The embossed outer layers of the gaskets meet the demands of a variety of harsh sealing environments, load conditions, and surface fin..
$147.28
Brand: Cometic Gasket Inc Part Number: C15043
Fits: 2001-2007 GM 6.6L Duramax LB7/LLY/LBZThis Cometic C15043 Engine Oil Pan Gasket is the perfect component 2001-2007 GM 6.6L Duramax. These gaskets often feature design upgrades over OE specifications. Cometic is the go-to gasket for engine builders worldwide. Features: Meets or Exceeds..
$18.12
Brand: Mahle Part Number: CS54580
 The MAHLE CS54580 Lower Engine Gasket Set for your 2001-2007 GM 6.6L Duramax is a direct replacement gasket set for your Duramax engine. This kis is designed to be used with the MAHLE Head Set to make a full gasket kit.CS54580 Engine Conversion Gasket Set SpecificationsWate..
$114.04
Brand: Alliant Power Part Number: AP0029
This kit is to rebuild your fuel filter base/ filter head on the 01-10 Duramax. Kit includes new seals and brass bleeder screw to reseal the factor filter base/head.Part number: AP0029    ..
$42.52
Brand: Alliant Power Part Number: AP0049
The Alliant AP0049 Head Gasket is a direct replacement for your 2001-2010 GM 6.6L Duramax. Alliant Power provides OEM quality, without the OEM price. Keeping Original Equipment Manufacturer (OEM) product as the preferred service part so vehicles and equipment continue to perform like new and provide..
$40.47
Brand: Alliant Power Part Number: AP0162
The Alliant AP0162 Turbocharger Installation Kit includes all the necessary gaskets and components you need when upgrading or replacing the turbo in your 2001-2010 GM 6.6L Duramax. This installation kit includes high-quality components engineered to meet or exceed the factory specifications for a tr..
$73.74
Brand: Dorman Products Part Number: 904-124
This fuel filter primer housing seal kit is designed to match the original components and hardware required to repair the housing on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.Direct replacement - this fuel filter primer housing sea..
$25.97
Brand: Dipaco Part Number: DT660025
The DTech DT660025 Pump Mounting Kit provides the O-Rings needed to mount the CP3 Pump on your 2001-2010 GM 6.6L Duramax. Featuring a high quality OE style design, these seals meet or exceed OE specifications.FEATURES: Direct Replacement Replaces GM Part#: F00E200093Includes: (1)..
$11.16
Brand: Alliant Power Part Number: AP0047
Fits: 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM (0.95MM)This is the highest quality head gasket possible so that you can ensure that you will have a leak free repair and do the job onceThis head gasket fits LB7, LLY, LBZ, LMM, LML & LGH engine codes for Chevrolet and General motor vehicles ..
$40.47
Brand: Alliant Power Part Number: AP0050
Fits: 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM (0.95MM)This is the highest quality head gasket possible so that you can ensure that you will have a leak free repair and do the job once.This head gasket fits LB7, LLY, LBZ, LMM, LML & LGH engine codes for Chevrolet and General motor vehicles..
$40.47
Brand: Alliant Power Part Number: AP0048
Fits: 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM (1.00MM)This is the  highest quality head gasket possible so that you can ensure that you will have a leak free repair and do the job once.This head gasket fits LB7, LLY, LBZ, LMM, LML & LGH engine codes for Chevrolet and General motor ve..
$40.47
Brand: Alliant Power Part Number: AP0051
Fits: 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM (1.00MM)This is the highest quality head gasket possible so that you can ensure that you will have a leak free repair and do the job once.This head gasket fits LB7, LLY, LBZ, LMM, LML & LGH engine codes for Chevrolet and General motor vehicles..
$40.47
Brand: Mahle Part Number: OS32284
The MAHLE OS32284 Engine Oil Pan Gasket is a direct replacement for your 2001-2010 GM 6.6L Duramax. MAHLE Original Gaskets and Seals are designed for a perfect fit, and factory-like seal. This OE design is specially made to meet or exceed OE specifications. FEATURES:Meets Or Exceeds OE Spe..
$16.34
Brand: Mahle Part Number: GS33678
Mahle turbocharger mounting gasket set includes components needed for a turbo replacement on 01-10 6.6L Duramax. Mahle gaskets are designed to retain factory fit and finish. Mahle: GS33678..
$49.34
Brand: Mahle Part Number: SS45974
Replace the worn valve stem seals inside your 2001-2010 GM 6.6L Duramax when you purchase the MAHLE SS45974 Valve Stem Seal Kit. Designed as a direct factory replacement, the MAHLE SS45974 Valve Stem Seal Kit is made to OE specifications and is constructed from OEM quality materials.F..
$23.23
Brand: Mahle Part Number: GS33752
Ensure your water pump is sealed properly when you add the MAHLE GS33752 Water Pump Gasket Kit to your 2001-2010 GM 6.6L Duramax. Designed as an OEM replacement, the Water Pump Gasket Kit maintains a tight seal and meets factory specifications. FEATURES:OE Quality Maintains a Fac..
$18.63
Brand: AC Delco Part Number: 94056175
The GM 94056175 Rear Cover Coolant Seal (Cover to Block) is a direct-fit replacement for the failed seal on your 2001-2010 GM 6.6L Duramax. Install this GM seal to prevent coolant leaks when reassembling your engine. This seal is replaced when removing the rear engine cover to the block to re-seal t..
$4.74
Brand: Dirty Hooker Diesel Part Number: 800-203
This all in one seal kits provides all the quality OE GM gaskets and seals required to replace or reseal your rear engine cover. Also included are 2 new upper oil pan dowels as these are often distorted during service and a new tube of Mahle JV8 premium aluminum sealant.     Inclu..
$109.80
Brand: Cometic Gasket Inc Part Number: C15376-053
Fits: 2001- 2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LMLCometic gaskets comes with a seal that exceeds OE specifications. This Cometic MLX Head Gasket provides your 2001-2016 GM 6.6L Duramax with a gasket and seal that lasts! This Gasket  has  an outer layer of high temperature polymer along w..
$195.29
Brand: Cometic Gasket Inc Part Number: C15375-053
Fits: 2001-2016 Gm 6.6L Duramax LB7/LLY/LBZ/LMM/LMLSwitch out the failed gasket in your 2001-2016 GM 6.6L Duramax with this Cometic MLX Head Gasket. These gaskets come with a seal that meet/ exceeds factory specifications. These Gaskets have an outer layer of high temperature polymer along with embo..
$195.29
Brand: Dirty Hooker Diesel Part Number: 300-127
This kit contains a full set of triple layer Stainless Steel MLS Up Pipe Gaskets.Kit includes 4 Gaskets!2 Up Pipe to Turbo GasketsGM Replacement Part# 971926182 Manifold to Up Pipe GasketsGM Replacement Part# 97188685A leaky up pipe gasket cause a ticking sound within the engine bay and drastically ..
$19.95
Brand: Mahle Part Number: GS34005
Fits: 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LMLThis Mahle GS34005 Engine Oil Cooler Gasket Set is the perfect component for your 2001-2016 GM 6.6L Duramax. This gasket is quality tested for an unmatched seal and constructed to meet or surpass the factory specifications.Features: Qualit..
$45.59
Brand: Mahle Part Number: 5458X
Fits: 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML (.95MM)This Mahle Wave-Stopper Cylinder Head Gasket 5458X (.95 Thickness) is a top-quality replacement for the head gasket in your 2001-2016 GM 6.6L Duramax. This gasket kit comes with the Combustion Load Limiter technology manufactured out of..
$69.50
Brand: Mahle Part Number: 5458X
Fits: Fits: 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML (1.00mm) This Mahle Wave-Stopper Cylinder Head Gasket is a top-quality replacement for the head gasket in your 2001-2016 GM 6.6L Duramax. This gasket comes with the combustion load limiter technology constructed out of multi-layered s..
$68.73
Brand: Mahle Part Number: 5458X
Fits: 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML (1.05mm) The Mahle Wave-Stopper Cylinder Head Gasket is a top-quality replacement for the head gasket in your 2001-2016 GM 6.6L Duramax. This gasket features the combustion load limiter technology constructed out of multi-layered steel that lets..
$72.94
Brand: Mahle Part Number: 67775
The MAHLE 67775 Engine Timing Cover Seal is a an OEM replacement for your 2001-2016 GM 6.6L Duramax. Built to factory specifications, the Engine Timing Cover Seal maintains an OEM performance.FEATURES:OE QualityMaintains a Factory PerformancePart number: 67775..
$26.67
Brand: Mahle Part Number: MS19398
Fits: 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LMLWhen installing new exhaust manifolds on your 2001-2016 GM 6.6L Duramax make sure you order the Mahle exhaust manifold gasket. Mahle gaskets and seals are engineered to meet OEM specifications and standards. This gasket set features a..
$21.86
Brand: Mahle Part Number: F31903
Fits: 2001-2016 GM 6.6L Duramax Able to tolerate up to 1400 degrees, the Exhaust Manifold to Up-Pipe Gasket provides your 2001-2016 GM 6.6L Duramax with a replacement gasket.  The Exhaust Manifold to Up-Pipe Gasket maintains a tight seal and is made to factory specifications. Mahle F3..
$7.00
Brand: Mahle Part Number: F32918
Get an OE quality gasket for your 2001-2016 GM 6.6L Duramax when you install the MAHLE F32918 Exhaust Up-Pipe To Turbo Gasket. Built to meet factory specifications, the Exhaust Up-Pipe To Turbo Gasket ensures your Duramax is running smoothly.FEATURES:OE QualityMaintains a Factory PerformancePart num..
$11.00
Brand: Mahle Part Number: C31900
Don't fall victim to a faulty gasket when you add the MAHLE C31900 Thermostat Housing Gasket to your 2001-2016 GM 6.6L Duramax. The Thermostat Housing Gasket maintains a factory performance and is made to OEM specifications.FEATURES:OE QualityMaintains a Factory PerformancePart number..
$6.10
Brand: Mahle Part Number: K31904
The MAHLE K31904 Water Pump Seal is a direct replacement for your 2001-2016 GM 6.6L Duramax. MAHLE gaskets and seals are made from high quality materials that provide you with a factory-like fit and a long service life. This gasket seals the back of the water pump to the front cover. FEATURES:C..
$0.99
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