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LBZ Duramax Gaskets & Seals


Protect your 2006–2007 LBZ Duramax with premium gaskets and seals designed for precision fit and maximum durability. From head gaskets and valve cover gaskets to oil seals and complete gasket kits, these components are built to handle high combustion pressures, extreme temperatures, and daily driving demands. Whether you're doing routine maintenance or a full engine rebuild, our high-quality gaskets and seals ensure a leak-free, long-lasting seal you can trust.

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Duramax Right Side Cylinder Head Gasket Mahle 54582
Duramax Right Side Cylinder Head Gasket Mahle 54582 $93.71
California Restricted
Fits: Duramax 2001-2016
LLY|LBZ Duramax Head Set Mahle HS54580A
LLY|LBZ Duramax Head Set Mahle HS54580A $325.89
California Restricted
Fits: LLY|LBZ Duramax 2004.5-2007
Duramax Exhaust Manifold Gaskets Mahle MS19398
Duramax Exhaust Manifold Gaskets Mahle MS19398 $41.83
California Restricted
Fits: Duramax 2001-2016
Duramax 2001-2010 Engine Oil Pan Gasket Mahle OS32284
Duramax 2001-2010 Engine Oil Pan Gasket Mahle OS32284 $22.80
California Restricted
Fits: Duramax 2001-2010
Duramax Rear Main Engine Crankshaft Seal Mahle 67777
Duramax Rear Main Engine Crankshaft Seal Mahle 67777 $57.86
California Restricted
Fits: Duramax 2001-2016
LBZ|LMM Duramax Intake Manifold Gasket Set Mahle MS19403
LBZ|LMM Duramax Intake Manifold Gasket Set Mahle MS19403 $17.01
California Restricted
Fits: LBZ|LMM Duramax 2006-2010
LLY|LBZ|LMM Duramax Lower Rocker Cover Gasket Set Mahle VS50434
LLY|LBZ|LMM Duramax Lower Rocker Cover Gasket Set Mahle VS50434 $65.80
California Restricted
Fits: LLY|LBZ|LMM Duramax 2004.5-2010
LB7|LLY|LBZ Duramax Lower Engine Gasket Set Mahle CS54580
LB7|LLY|LBZ Duramax Lower Engine Gasket Set Mahle CS54580 $157.71
California Restricted
Fits: LB7|LLY|LBZ Duramax 2001-2007
Duramax 01-16 Thermostat Housing Gasket Mahle C31900
Duramax 01-16 Thermostat Housing Gasket Mahle C31900 $7.26
California Restricted
Fits: Duramax 2001-2016
Duramax 2001-2010 Water Pump Gasket Kit Mahle GS33752
Duramax 2001-2010 Water Pump Gasket Kit Mahle GS33752 $24.83
California Restricted
Fits: Duramax 2001-2010
Duramax 01-16 Water Pump Seal Mahle K31904
Duramax 01-16 Water Pump Seal Mahle K31904 $2.03
California Restricted
Fits: Duramax 2001-2016
Duramax 01-16 Exhaust Manifold To Up-Pipe Gasket Mahle F31903
Duramax 01-16 Exhaust Manifold To Up-Pipe Gasket Mahle F31903 $9.14
California Restricted
Fits: Duramax 2001-2016
LLY|LBZ|LMM Duramax Valve Cover Gasket Set Mahle VS50439
LLY|LBZ|LMM Duramax Valve Cover Gasket Set Mahle VS50439 $84.35
California Restricted
Fits: LLY|LBZ|LMM Duramax 2004.5-2010
Duramax 01-16 Engine Timing Cover Seal Mahle 67775
Duramax 01-16 Engine Timing Cover Seal Mahle 67775 $40.48
California Restricted
Fits: Duramax 2001-2016
Duramax 2001-2010 Valve Stem Seal Kit Mahle SS45974
Duramax 2001-2010 Valve Stem Seal Kit Mahle SS45974 $23.71
California Restricted
Fits: Duramax 2001-2010
LLY|LBZ Duramax Engine Gasket Set Without Head Gaskets Mahle 95-3727
LLY|LBZ Duramax Engine Gasket Set Without Head Gaskets Mahle 95-3727 $460.34
California Restricted
Fits: LLY|LBZ Duramax 2004.5-2007
Duramax 01-16 Exhaust Up-Pipe To Turbo Gasket Mahle F32918
Duramax 01-16 Exhaust Up-Pipe To Turbo Gasket Mahle F32918 $15.30
California Restricted
Fits: Duramax 2001-2016
LBZ Duramax Intake Manifold Gasket Set Mahle MIS19403
LBZ Duramax Intake Manifold Gasket Set Mahle MIS19403 $59.06
California Restricted
Fits: LBZ Duramax 2006-2007
LBZ|LMM Duramax CP3 Install Kit GM PKCP3KIT
LBZ|LMM Duramax CP3 Install Kit GM PKCP3KIT $206.19
Fits: LBZ|LMM Duramax 2006-2010
Duramax Rear Main Seal GM 97209342
Duramax Rear Main Seal GM 97209342 $67.49
Fits: Duramax 2001-2022
Duramax Front Main Seal GM 97209341
Duramax Front Main Seal GM 97209341 $63.26
Fits: Duramax 2001-2021
Duramax 01-16 Oil Cooler O-Ring GM 94399279
Duramax 01-16 Oil Cooler O-Ring GM 94399279 $6.56
Fits: Duramax 2001-2016
Duramax Engine Oil Cooler Seal GM 97358847
Duramax Engine Oil Cooler Seal GM 97358847 $24.70
Fits: Duramax 2001-2016
LBZ & LMM Duramax Engine Intake Manifold Gasket GM 97363723
LBZ & LMM Duramax Engine Intake Manifold Gasket GM 97363723 $44.75
Fits: LBZ & LMM Duramax 2006-2010
Duramax 2007-2009 EGR Valve Gasket Mahle F32393
Duramax 2007-2009 EGR Valve Gasket Mahle F32393 $12.34
California Restricted
Fits: Duramax 2007-2009
Duramax Front Main Seal AcDelco 97209341
Duramax Front Main Seal AcDelco 97209341 $51.80
Fits: 2500/3500HD Silverado | Sierra 2001-2022
Duramax 01-19 1000 Transmission C5 Clutch Piston Inner Seal Allison 29536859
Duramax 01-19 1000 Transmission C5 Clutch Piston Inner Seal Allison 29536859 $14.49
Fits: 2500HD/3500 Silverado | Sierra 2001-2019
Duramax 01-19 Allison 1000 Power Take Off Cover Gasket AcDelco 29531325
Duramax 01-19 Allison 1000 Power Take Off Cover Gasket AcDelco 29531325 $10.05
Fits: 2500HD/3500 Silverado | Sierra 2001-2019
Duramax Lower Valve Cover Gasket GM 97321295
Duramax Lower Valve Cover Gasket GM 97321295 $107.69
Fits: LLY|LBZ|LMM|LML Duramax 2004.5-2016
LLY|LBZ Duramax EGR Cooler Gasket Kit Bostech BT2501654
LLY|LBZ Duramax EGR Cooler Gasket Kit Bostech BT2501654 $82.95
Fits: LLY|LBZ Duramax 2004-2007
LLY/LBZ Duramax StreetPro Top End Gasket Kit Cometic PRO3009T
LLY/LBZ Duramax StreetPro Top End Gasket Kit Cometic PRO3009T $616.36
Fits: LLY|LBZ Duramax 2004.5-2007
Duramax Head Install Kit Without Studs Alliant AP0063
Duramax Head Install Kit Without Studs Alliant AP0063 $531.19
Fits: LLY | LBZ | LMM Duramax 2004.5-2010
LLY/LBZ Duramax Head Gasket Set Powerstroke Products PP-HGS-LBZ
LLY/LBZ Duramax Head Gasket Set Powerstroke Products PP-HGS-LBZ $375.00
California Restricted
Fits: LLY|LBZ Duramax 2004.5-2007
Duramax 01-16 Left Side Cylinder Head Gasket Mahle 55027
Duramax 01-16 Left Side Cylinder Head Gasket Mahle 55027 $58.71
California Restricted
Fits: Duramax 2001-2016