
GASKETS & SEALS
A diesel engine is a complex machine, and every component in your engine should exhibit dependability and durability, with all parts working together at maximum efficiency. Our Duramax head gaskets are at the top of their class and are designed for superior performance. Our premium head gaskets will provide you with the confidence in knowing that your engine will perform to perfection for years to come.
Great Products, Exceptional Service
We carry a wide range of Duramax gaskets and parts to satisfy whatever specific requirements you have for your engine build. Our inventory includes head gaskets, lower end gasket sets, T3 – T6 gaskets, turbo oil drain gaskets, upper cylinder head gasket sets, valve cover sets, and more. We know you're excited to get your parts so you can get to work on your engine, and we work to ship out our orders as soon as they’re placed. Order before 2:00 P.M. EST, and in most cases your order will ship same day.
Order Today
Our site is designed to make it easier for you to find the Duramax head gaskets you need fast. Check out our inventory, and if you have any questions about our selection, or if you'd like to know more about a certain part, don't hesitate to call us at 724-785-4022 or send us a message. Shop for your premium diesel parts today.
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$9.99
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INTERSTATE MCBEE M-3755843 TURBOCHARGER GASKET, T4
INTERSTATE MCBEE
$4.86INTERSTATE MCBEE M-3755843 TURBOCHARGER GASKET, T4$4.86 -
VIBRANT PERFORMANCE 1443G TURBO INLET FLANGE GASKET FOR T06 DIVIDED
VIBRANT PERFORMANCE
$15.99Turbo Gasket for T06 Divided Inlet Flange (Matches Flange #1443 and #14430)$15.99 -
VIBRANT PERFORMANCE 1442G TURBO INLET FLANGE GASKET FOR T04
VIBRANT PERFORMANCE
$15.99Turbo Gasket for T04 Divided Inlet Flange (Matches Flange #1442 and #14420)$15.99 -
VIBRANT PERFORMANCE 1441G TURBO INLET FLANGE GASKET FOR T4 RECTANGULAR
VIBRANT PERFORMANCE
$11.99Turbo Gasket for T04 Inlet Flange with Rectangular Inlet (Matches Flange #1441 and #14410)$11.99 -
VIBRANT PERFORMANCE 1417G TURBO INLET FLANGE GASKET FOR T06
VIBRANT PERFORMANCE
$11.99Turbo Gasket for T06 Inlet Flange (Matches Flange #1417 and #14170)$11.99 -
PPE 118062030 UP-PIPE GASKETS (2001-2016 GM 6.6L DURAMAX) (4 PCS)
PACIFIC PERFORMANCE ENGINEERING
$26.99Gasket Set for Up-pipes (4 pcs) Divided Gasket by PPE®. PPE is where engineering, design, and quality come together in perfect form. This superior product was crafted using modern manufacturing methods and high-grade materials to strict standards to...$26.99 -
PPE 118062020 HIGH-PERFORMANCE MANIFOLD OVERSIZE PORT (46.8MM X 41.0MM) GASKETS (2 PCS) (2001-2016 GM 6.6L DURAMAX)
PACIFIC PERFORMANCE ENGINEERING
$19.79Over-Sized Port SS Exhaust Manifold Gasket Set (2 pcs) 304 SS Exhaust Manifold Gasket Set by PPE®. PPE is where engineering, design, and quality come together in perfect form. This superior product was crafted using modern manufacturing methods and...$19.79 -
PPE 118062010 HIGH-PERFORMANCE MANIFOLD STANDARD PORT GASKETS (2 PCS) - GM 6.6L DURAMAX 2001-2016
PACIFIC PERFORMANCE ENGINEERING
$19.79Standard Port Stainless Steel Exhaust Manifold Gasket Set (2 pcs) Exhaust Manifold Gasket Set by PPE®. PPE is where engineering, design, and quality come together in perfect form. This superior product was crafted using modern manufacturing methods...$19.79 -
$29.55
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DTECH DT660019 INJECTOR INSTALLATION KIT 2001-2004 GM 6.6L DURAMAX LB7
DTECH
$2.49Duramax Injector Installation KitModel year 2001 - 2004.5 Diesel Fuel Injector Installation Kit (DT660019) by DTech®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design...$2.49 -
DTECH DT660018 LOWER ROCKER COVER GASKET 2001-2004 GM 6.6L DURAMAX LB7
DTECH
$12.60Valve Cover GasketModel year 2001 - 2004.5 Valve Cover Gasket (DT660018) by DTech®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship...$12.60 -
DTECH DT660016 VALVE COVER GASKET 2004.5-2010 GM 6.6L DURAMAX
DTECH
$38.90DT66016 (DT97312341)Valve Cover GasketModel year 2004.5 - 2010 Valve Cover Gasket (DT660016) by DTech®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level...$38.90 -
DTECH DT660015 VALVE COVER INJECTION LINE SEAL 2001-2004 GM 6.6L DURAMAX LB7
DTECH
$31.10Valve Cover Injection Line Oil Seal (4 PK)Model year 2001 - 2004.5 Valve Cover Injection Line Oil Seals by DTech®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...$31.10 -
DTECH DT660014 VALVE COVER NOISE ISOLATOR GROMMETS 2001-2004 GM 6.6L DURAMAX LB7
DTECH
$30.84Noise Isolator Grommet (12 PK)Model year 2001 - 2004.5 Noise Isolator Grommets (DT660014) by DTech®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...$30.84 -
DTECH DT660011 VALVE COVER GASKET KIT 2004.5-2010 GM 6.6L DURAMAX
DTECH
$79.26DT66011 (DT66501)Valve Cover Gasket KitModel year 2004.5 - 2010 Valve Cover Gasket Set (DT660011) by DTech®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced...$79.26 -
BANKS 93312 GASKET SET FOR TURBO SYSTEM FOR 1983-1993 FORD F250/F350 6.9L/7.3L
BANKS
$14.00Banks Power Gasket Set Gasket Set, Turbo System for use with Ford 6.9L and 7.3L Truck, Late Key Features Gasket set CARB E.O. Not Required$14.00 -
DORMAN VALVE COVER GASKET KIT (01-04 GM)
DORMAN
$71.00Prevent leaks from forming between the valve cover and the engine cylinder head with Dorman’s Engine Valve Cover Gasket. The gasket is constructed from high- quality materials for durability against extreme under hood temperatures. A long-lasting,...$71.00 -
MAHLE HS54580C HEAD SET 2011-2016 GM 6.6L DURAMAX LML
MAHLE
$250.28MAHLE HS54580C HEAD SET 2011-2016 GM 6.6L DURAMAX LML$250.28 -
MAHLE 6.6L Fuel Injection O-Ring (07-09 DURAMAX) VIN 6
MAHLE
$65.27MAHLE 6.6L Fuel Injection O-Ring (07-09 DURAMAX) VIN 6$65.27 -
MAHLE 6.6L Intake Manifold Set (07-09 DURAMAX) VIN 6
MAHLE
$26.49MAHLE 6.6L Intake Manifold Set (07-09 DURAMAX) VIN 6$26.49 -
MAHLE 6.6L Intake Manifold Installation Kit (07-09 DURAMAX) VIN 6
MAHLE
$92.17MAHLE 6.6L Intake Manifold Installation Kit (07-09 DURAMAX) VIN 6$92.17 -
MAHLE 95-3734 ENGINE GASKET KIT (WITHOUT HEAD GASKET) 2007.5-2010 GM 6.6L DURAMAX LMM
MAHLE
$353.53MAHLE 95-3734 ENGINE GASKET KIT (WITHOUT HEAD GASKET) 2007.5-2010 GM 6.6L DURAMAX LMM$353.53 -
MAHLE HS54580B HEAD SET 2007.5-2010 GM 6.6L DURAMAX LMM
MAHLE
$265.88MAHLE HS54580B HEAD SET 2007.5-2010 GM 6.6L DURAMAX LMM$265.88 -
MAHLE F31910 EGR VALVE GASKET 2006-2010 GM 6.6L DURAMAX LBZ/LMM
MAHLE
$4.17MAHLE F31910 EGR VALVE GASKET 2006-2010 GM 6.6L DURAMAX LBZ/LMM$4.17 -
MAHLE GS33505A FUEL INJECTOR SEAL KIT 2004.5-2007 GM 6.6L DURAMAX LLY/LBZ
MAHLE
$4.48MAHLE GS33505A FUEL INJECTOR SEAL KIT 2004.5-2007 GM 6.6L DURAMAX LLY/LBZ$4.48 -
MAHLE G31907 AIR INTAKE HEATER GASKET 2006-2010 GM 6.6L DURAMAX LBZ/LMM
MAHLE
$12.89MAHLE G31907 AIR INTAKE HEATER GASKET 2006-2010 GM 6.6L DURAMAX LBZ/LMM$12.89 -
MAHLE 6.L Plenum Tube (06-09 DURAMAX) VIN 2 6 D
MAHLE
$9.38MAHLE 6.L Plenum Tube (06-09 DURAMAX) VIN 2 6 D$9.38 -
MAHLE MS19403 INTAKE MANIFOLD GASKET 2006-2010 GM 6.6L DURAMAX LBZ/LMM
MAHLE
$11.17MAHLE MS19403 INTAKE MANIFOLD GASKET 2006-2010 GM 6.6L DURAMAX LBZ/LMM$11.17 -
MAHLE MIS19403 INTAKE MANIFOLD GASKET SET 2006-2007 GM 6.6L DURAMAX LLY/LBZ
MAHLE
$49.52MAHLE MIS19403 INTAKE MANIFOLD GASKET SET 2006-2007 GM 6.6L DURAMAX LLY/LBZ$49.52 -
MAHLE 6.6L VALVE COVER SET (04-07 DURAMAX) VIN 2 6 D
MAHLE
$195.54MAHLE 6.6L VALVE COVER SET (04-07 DURAMAX) VIN 2 6 D$195.54 -
MAHLE VS50439 VALVE COVER GASKET SET 2004.5-2010 GM 6.6L DURAMAX
MAHLE
$65.70MAHLE VS50439 VALVE COVER GASKET SET 2004.5-2010 GM 6.6L DURAMAX$65.70 -
MAHLE VS50434 LOWER ROCKER COVER GASKET SET 2004.5-2010 GM 6.6L DURAMAX
MAHLE
$49.50MAHLE VS50434 LOWER ROCKER COVER GASKET SET 2004.5-2010 GM 6.6L DURAMAX$49.50 -
MAHLE B32478 TURBOCHARGER INLET GASKET 2001-2004 GM 6.6L DURAMAX LB7
MAHLE
$2.12MAHLE B32478 TURBOCHARGER INLET GASKET 2001-2004 GM 6.6L DURAMAX LB7$2.12 -
MAHLE K31904 WATER PUMP SEAL 2001-2016 GM 6.6L DURAMAX
MAHLE
$1.03MAHLE K31904 WATER PUMP SEAL 2001-2016 GM 6.6L DURAMAX$1.03 -
MAHLE C32062 WATER PUMP GASKET 2001-2005 GM 6.6L DURAMAX LB7/LLY
MAHLE
$4.77MAHLE C32062 WATER PUMP GASKET 2001-2005 GM 6.6L DURAMAX LB7/LLY$4.77 -
MAHLE GS33678 TURBOCHARGER MOUNTING GASKET SET 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
MAHLE
$53.36MAHLE GS33678 TURBOCHARGER MOUNTING GASKET SET 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM$53.36 -
MAHLE 6.6L TIME COVER SEAL (01-13 DURAMAX) All Engine VIN and Codes
MAHLE
$31.57MAHLE 6.6L TIME COVER SEAL (01-13 DURAMAX) All Engine VIN and Codes$31.57 -
MAHLE 6.6L TIMING COVER SET (01 &Up DURAMAX) All Engine VIN and Code
MAHLE
$73.07MAHLE 6.6L TIMING COVER SET (01 &Up DURAMAX) All Engine VIN and Code$73.07 -
MAHLE 6.6L REAR COVER SET (01-07 DURAMAX) All Engine VIN and Code
MAHLE
$35.40MAHLE 6.6L REAR COVER SET (01-07 DURAMAX) All Engine VIN and Code$35.40 -
MAHLE 6.6L Medium Duty Trucks Oil Pan Set (03-05 DURAMAX)
MAHLE
$23.43MAHLE 6.6L Medium Duty Trucks Oil Pan Set (03-05 DURAMAX)$23.43 -
MAHLE OS32284 ENGINE OIL PAN GASKET 2001-2010 GM 6.6L DURAMAX
MAHLE
$17.72MAHLE OS32284 ENGINE OIL PAN GASKET 2001-2010 GM 6.6L DURAMAX$17.72 -
MAHLE MS19402 INTAKE MANIFOLD GASKET 2001-2005 GM 6.6L DURAMAX LB7/LLY
MAHLE
$10.91MAHLE MS19402 INTAKE MANIFOLD GASKET 2001-2005 GM 6.6L DURAMAX LB7/LLY$10.91 -
MAHLE MS19398 EXHAUST MANIFOLD GASKET SET 2001-2016 GM 6.6L DURAMAX
MAHLE
$23.65MAHLE MS19398 EXHAUST MANIFOLD GASKET SET 2001-2016 GM 6.6L DURAMAX$23.65 -
MAHLE 6.6L Valve Stem Seal (01-09 DURAMAX) All VIN and Engine Code
MAHLE
$25.22MAHLE 6.6L Valve Stem Seal (01-09 DURAMAX) All VIN and Engine Code$25.22 -
MAHLE VS50438 VALVE COVER GASKET SET 2001-2004 GM 6.6L DURAMAX LB7
MAHLE
$53.22MAHLE VS50438 VALVE COVER GASKET SET 2001-2004 GM 6.6L DURAMAX LB7$53.22 -
MAHLE 54598 WAVE-STOPPER CYLINDER HEAD GASKET (GRADE C) 2001-2016 GM 6.6L DURAMAX (1.05MM) LEFT
MAHLE
$111.29MAHLE 54598 WAVE-STOPPER CYLINDER HEAD GASKET (GRADE C) 2001-2016 GM 6.6L DURAMAX (1.05MM) LEFT$111.29 -
MAHLE WAVE-STOPPER CYLINDER HEAD GASKET 5459X (GRADE C) 2001-2016 GM 6.6L DURAMAX (1.05MM) LEFT
MAHLE
$111.29MAHLE WAVE-STOPPER CYLINDER HEAD GASKET 5459X (GRADE C) 2001-2016 GM 6.6L DURAMAX (1.05MM) LEFT$111.29 -
MAHLE 54585 CYLINDER HEAD GASKET (GRADE C 1.05 THICKNESS) 2001-2016 GM 6.6L DURAMAX (1.05MM) LEFT
MAHLE
$88.33MAHLE 54585 CYLINDER HEAD GASKET (GRADE C 1.05 THICKNESS) 2001-2016 GM 6.6L DURAMAX (1.05MM) LEFT$88.33 -
MAHLE CYLINDER HEAD GASKET 5458X (GRADE B 1.00 THICKNESS) 2001-2016 GM 6.6L DURAMAX (1.00MM) LEFT
MAHLE
$82.49MAHLE CYLINDER HEAD GASKET 5458X (GRADE B 1.00 THICKNESS) 2001-2016 GM 6.6L DURAMAX (1.00MM) LEFT$82.49 -
MAHLE 54583 CYLINDER HEAD GASKET (GRADE A .95 THICKNESS) 2001-2016 GM 6.6L DURAMAX (.95MM) LEFT
MAHLE
$83.29MAHLE 54583 CYLINDER HEAD GASKET (GRADE A .95 THICKNESS) 2001-2016 GM 6.6L DURAMAX (.95MM) LEFT$83.29 -
MAHLE 54582 CYLINDER HEAD GASKET (GRADE C 1.05 THICKNESS) 2001-2016 GM 6.6L DURAMAX (1.05MM) RIGHT
MAHLE
$85.23MAHLE 54582 CYLINDER HEAD GASKET (GRADE C 1.05 THICKNESS) 2001-2016 GM 6.6L DURAMAX (1.05MM) RIGHT$85.23 -
MAHLE 54581 CYLINDER HEAD GASKET (GRADE B 1.00 THICKNESS) 2001-2016 GM 6.6L DURAMAX (1.00MM) RIGHT
MAHLE
$82.49MAHLE 54581 CYLINDER HEAD GASKET (GRADE B 1.00 THICKNESS) 2001-2016 GM 6.6L DURAMAX (1.00MM) RIGHT$82.49 -
MAHLE 54580 CYLINDER HEAD GASKET (GRADE A .95 THICKNESS) 2001-2016 GM 6.6L DURAMAX (.95MM) RIGHT
MAHLE
$83.29MAHLE 54580 CYLINDER HEAD GASKET (GRADE A .95 THICKNESS) 2001-2016 GM 6.6L DURAMAX (.95MM) RIGHT$83.29 -
MAHLE 95-3726 ENGINE GASKET KIT (WITHOUT HEAD GASKET) 2001-2004 GM 6.6L DURAMAX LB7
MAHLE
$377.61MAHLE 95-3726 ENGINE GASKET KIT (WITHOUT HEAD GASKET) 2001-2004 GM 6.6L DURAMAX LB7$377.61 -
MAHLE CS54580 LOWER ENGINE GASKET SET 2001-2007 GM 6.6L DURAMAX
MAHLE
$122.96MAHLE CS54580 LOWER ENGINE GASKET SET 2001-2007 GM 6.6L DURAMAX$122.96 -
MAHLE 67777 REAR MAIN ENGINE CRANKSHAFT SEAL 2001-2016 GM 6.6L DURAMAX
MAHLE
$50.13MAHLE 67777 REAR MAIN ENGINE CRANKSHAFT SEAL 2001-2016 GM 6.6L DURAMAX$50.13 -
MAHLE VS50549 ENGINE VALVE COVER GASKET SET, 01-04 GM 6.6L DURAMAX LB7
MAHLE
$71.16General Part number VS50549 GTIN/EAN 00027067845627 Information AutoCare brands Id FLHQ AutoCare brand MAHLE Part number VS50549 Type of part Engine > Gaskets and Sealing Systems > Engine Valve Cover Gasket Set ...$71.16 -
MAHLE HS54580A ENGINE CYLINDER HEAD GASKET SET, 04.5-07 GM 6.6L DURAMAX
MAHLE
$254.58General Part number HS54580A GTIN/EAN 00027067726407 Information AutoCare brands Id FLHQ AutoCare brand MAHLE Part number HS54580A Type of part Engine > Gaskets and Sealing Systems > Engine Cylinder Head Gasket Set ...$254.58 -
MAHLE HS54580 ENGINE CYLINDER HEAD GASKET SET, 01-04 GM 6.6L DURAMAX LB7
MAHLE
$235.33General Part number HS54580 GTIN/EAN 00027067724175 Information AutoCare brands Id FLHQ AutoCare brand MAHLE Part number HS54580 Type of part Engine > Gaskets and Sealing Systems > Engine Cylinder Head Gasket Set ...$235.33 -
CUMMINS 3901356 TURBOCHARGER MOUNTING GASKET T3
CUMMINS
$8.75CUMMINS 3901356 TURBOCHARGER MOUNTING GASKET T3$8.75