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    Gaskets & Seals


    59 Items

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    Duramax Right Side Cylinder Head Gasket Mahle 54582
    Duramax Right Side Cylinder Head Gasket Mahle 54582 $86.34
    California Restricted
    Fits: Duramax 2001-2016
    Duramax Exhaust Manifold Gaskets Mahle MS19398
    Duramax Exhaust Manifold Gaskets Mahle MS19398 $33.21
    California Restricted
    Fits: Duramax 2001-2016
    Duramax 2001-2010 Engine Oil Pan Gasket Mahle OS32284
    Duramax 2001-2010 Engine Oil Pan Gasket Mahle OS32284 $19.19
    California Restricted
    Fits: Duramax 2001-2010
    LMM Duramax Head Set Mahle HS54580B
    LMM Duramax Head Set Mahle HS54580B $298.34
    California Restricted
    Fits: LMM Duramax 2007.5-2010
    Duramax Rear Main Engine Crankshaft Seal Mahle 67777
    Duramax Rear Main Engine Crankshaft Seal Mahle 67777 $48.66
    California Restricted
    Fits: Duramax 2001-2016
    LBZ|LMM Duramax Intake Manifold Gasket Set Mahle MS19403
    LBZ|LMM Duramax Intake Manifold Gasket Set Mahle MS19403 $14.31
    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 $55.34
    California Restricted
    Fits: LLY|LBZ|LMM Duramax 2004.5-2010
    LMM Duramax Lower Engine Gasket Set Mahle CS54580A
    LMM Duramax Lower Engine Gasket Set Mahle CS54580A $126.14
    California Restricted
    Fits: LMM Duramax 2007.5-2010
    Duramax 01-16 Thermostat Housing Gasket Mahle C31900
    Duramax 01-16 Thermostat Housing Gasket Mahle C31900 $6.10
    California Restricted
    Fits: Duramax 2001-2016
    Duramax 2001-2010 Duramax Water Pump Gasket Kit Mahle GS33752
    Duramax 2001-2010 Duramax Water Pump Gasket Kit Mahle GS33752 $20.89
    California Restricted
    Fits: Duramax 2001-2010
    Duramax 01-16 Water Pump Seal Mahle K31904
    Duramax 01-16 Water Pump Seal Mahle K31904 $1.70
    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 $7.67
    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 $70.96
    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 $34.04
    California Restricted
    Fits: Duramax 2001-2016
    Duramax 2001-2010 Valve Stem Seal Kit Mahle SS45974
    Duramax 2001-2010 Valve Stem Seal Kit Mahle SS45974 $19.94
    California Restricted
    Fits: Duramax 2001-2010
    Duramax 01-16 Exhaust Up-Pipe To Turbo Gasket Mahle F32918
    Duramax 01-16 Exhaust Up-Pipe To Turbo Gasket Mahle F32918 $12.14
    California Restricted
    Fits: Duramax 2001-2016
    LMM Duramax Engine Gasket Kit Without Head Gasket Mahle 95-3734
    Sold Out
    LMM Duramax Engine Gasket Kit Without Head Gasket Mahle 95-3734 $370.59
    California Restricted
    Fits: LMM Duramax 2007.5-2010
    LMM Duramax EGR Tube To EGR Valve Gasket Mahle F39394
    LMM Duramax EGR Tube To EGR Valve Gasket Mahle F39394 $8.09
    California Restricted
    Fits: LMM Duramax 2006-2010
    Duramax 2001-2010 Fuel Filter Base & Hand Primer Seal Kit | Alliant AP0029
    Duramax 2001-2010 Fuel Filter Base & Hand Primer Seal Kit | Alliant AP0029 $42.04
    Fits: Duramax 2001-2010
    Duramax 01-16 Head Gasket Grade C Right | Alliant AP0052
    Duramax 01-16 Head Gasket Grade C Right | Alliant AP0052 $38.88
    Fits: Duramax 2001-2016
    Duramax 01-16 Head Gasket Grade C 1.05mm Left | Alliant AP0049
    Duramax 01-16 Head Gasket Grade C 1.05mm Left | Alliant AP0049 $38.88
    Fits: Duramax 2001-2016
    Duramax 2001-2010 Head Gasket 0.95mm Grade A Right | Alliant AP0050
    Duramax 2001-2010 Head Gasket 0.95mm Grade A Right | Alliant AP0050 $38.88
    Fits: Duramax 2001-2010
    Duramax 2001-2010 Head Gasket 0.95mm Grade A Left | Alliant AP0047
    Duramax 2001-2010 Head Gasket 0.95mm Grade A Left | Alliant AP0047 $38.88
    Fits: Duramax 2001-2010
    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 Water Pump Pipe To Oil Cooler Seal GM 94011702
    Duramax Water Pump Pipe To Oil Cooler Seal GM 94011702 $32.03
    Fits: Duramax 2001-2019
    Duramax Oil Cooler Outlet Gasket - Drivers Side GM 12640849
    Duramax Oil Cooler Outlet Gasket - Drivers Side GM 12640849 $11.67
    Fits: Duramax 2011-2022
    Duramax Oil Cooler Outlet Gasket - Passenger Side GM 12640850
    Duramax Oil Cooler Outlet Gasket - Passenger Side GM 12640850 $11.75
    Fits: Duramax 2010-2020
    Duramax 07-20 Power Brake Booster Gasket | AcDelco 22872387
    Duramax 07-20 Power Brake Booster Gasket | AcDelco 22872387 $9.28
    Fits: Duramax 2007-2020
    Duramax 01-16 Water Pump Coolant Bypass Tube Upper O-Ring Seal GM 94011602
    Duramax 01-16 Water Pump Coolant Bypass Tube Upper O-Ring Seal GM 94011602 $4.00
    Fits: Duramax 2001-2016
    Duramax 01-16 Coolant Bypass Tube Lower Pipe Seal GM 94011603
    Duramax 01-16 Coolant Bypass Tube Lower Pipe Seal GM 94011603 $3.35
    Fits: Duramax 2001-2016
    LMM Duramax Heater Outlet Pipe Seal GM 94011614
    LMM Duramax Heater Outlet Pipe Seal GM 94011614 $6.08
    Fits: LMM Duramax 2007.5-2010
    Duramax 01-16 Exhaust Manifold To Up-Pipe Gasket GM 97188685
    Duramax 01-16 Exhaust Manifold To Up-Pipe Gasket GM 97188685 $16.97
    Fits: Duramax 2001-2016
    Duramax 01-16 Exhaust Up-Pipe To Turbo Gasket GM 97192618
    Duramax 01-16 Exhaust Up-Pipe To Turbo Gasket GM 97192618 $18.08
    Fits: Duramax 2001-2016
    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 01-16 Oil Cooler To Rear Cover Gasket GM 12709792
    Duramax 01-16 Oil Cooler To Rear Cover Gasket GM 12709792 $6.56
    Fits: Duramax 2001-2016
    Duramax 01-16 GM 97216175 Oil Cooler To Block O-Ring Seal
    Duramax 01-16 GM 97216175 Oil Cooler To Block O-Ring Seal $8.24
    Fits: Duramax 2001-2016
    Duramax Engine Oil Cooler Seal GM 97358847
    Duramax Engine Oil Cooler Seal GM 97358847 $21.92
    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 06-16 Fuel Injection Throttle Body Mounting Gasket GM 97375503
    Duramax 06-16 Fuel Injection Throttle Body Mounting Gasket GM 97375503 $16.17
    Fits: Duramax 2006-2016
    Duramax 2007-2009 EGR Valve Gasket Mahle F32393
    Duramax 2007-2009 EGR Valve Gasket Mahle F32393 $10.37
    California Restricted
    Fits: Duramax 2007-2009
    Duramax 01-16 Left Side Cylinder Head Gasket Mahle 54585
    Duramax 01-16 Left Side Cylinder Head Gasket Mahle 54585 $99.23
    California Restricted
    Fits: Duramax 2001-2016
    Duramax Catalytic Converter To DPF Gasket | AcDelco 15126137
    Duramax Catalytic Converter To DPF Gasket | AcDelco 15126137 $11.68
    Fits: Duramax 2001-2005 | 2007.5-2022
    Duramax Rear Adapter Water Housing Cover Gasket GM 97229043
    Duramax Rear Adapter Water Housing Cover Gasket GM 97229043 $6.77
    Fits: Duramax 2001-2022
    Duramax 01-16 Victor Reinz 61-36465-20 Left Side Cylinder Head Gasket
    Duramax 01-16 Victor Reinz 61-36465-20 Left Side Cylinder Head Gasket $87.79
    Fits: Duramax 2001-2016
    Duramax 01-16 Victor Reinz 61-36460-20 Right Side Cylinder Head Gasket
    Duramax 01-16 Victor Reinz 61-36460-20 Right Side Cylinder Head Gasket $84.18
    Fits: Duramax 2001-2016
    Duramax 17-21 Engine Oil Drain Plug Gasket | AcDelco 12616850
    Duramax 17-21 Engine Oil Drain Plug Gasket | AcDelco 12616850 $7.21
    Fits: 2500HD/3500 Silverado | Sierra 2017-2021
    Duramax Front Main Seal | AcDelco 97209341
    Duramax Front Main Seal | AcDelco 97209341 $51.80
    Fits: 2500/3500HD Silverado | Sierra 2001-2022
    Duramax 06-19 Allison 1000 Transmission C2 Clutch Piston Inner Seal | Allison 29542808
    Duramax 06-19 Allison 1000 Transmission C2 Clutch Piston Inner Seal | Allison 29542808 $7.18
    Fits: 2500HD/3500 Silverado | Sierra 2006-2019
    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 06-19 Allison 1000 Transmission C1 C2 Clutch Piston Outer Seal | Allison 24269245
    Duramax 06-19 Allison 1000 Transmission C1 C2 Clutch Piston Outer Seal | Allison 24269245 $10.26
    Fits: Duramax 2006-2019
    Duramax 01-16 Head Gasket Grade C Right GM 12637788
    Duramax 01-16 Head Gasket Grade C Right GM 12637788 $100.05
    Fits: Duramax 2001-2016
    Duramax 01-16 Head Gasket Grade C Left GM 12637785
    Duramax 01-16 Head Gasket Grade C Left GM 12637785 $110.09
    Fits: Duramax 2001-2016
    Duramax 2001-2010 Head Gasket Grade B | Alliant AP0048
    Duramax 2001-2010 Head Gasket Grade B | Alliant AP0048 $38.88
    Fits: Duramax 2001-2010
    Select Options
    Dorman 926-424 Coolant Bypass Tube O-Ring Kit
    Dorman 926-424 Coolant Bypass Tube O-Ring Kit $6.76
    Fits: Duramax 2001-2016
    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
    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