LML Duramax Gaskets & Seals

LML Duramax gaskets and seals are designed to provide a precise fit, prevent leaks, and ensure long-lasting engine performance on 2007.5-2010 Chevy and GMC 6.6L diesel trucks. Ideal for towing, hauling, and high-performance applications, these durable components maintain proper sealing, protect critical engine parts, and enhance reliability—essential for diesel owners seeking maximum efficiency and peace of mind.

53 Items

Duramax Right Side Cylinder Head Gasket Mahle 54582 — Duramax Right Side Cylinder Head Gasket Mahle 54582 $93.71
Fits: Duramax 2001-2016

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Duramax Exhaust Manifold Gaskets Mahle MS19398 — Duramax Exhaust Manifold Gaskets Mahle MS19398 $41.83
Fits: Duramax 2001-2016

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Duramax Rear Main Engine Crankshaft Seal Mahle 67777 — Duramax Rear Main Engine Crankshaft Seal Mahle 67777 $57.86
Fits: Duramax 2001-2016

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LML Duramax Head Set Mahle HS54580C — Sold Out
LML Duramax Head Set Mahle HS54580C $328.07
Fits: LML Duramax 2011-2016

Duramax 01-16 Thermostat Housing Gasket Mahle C31900 — Duramax 01-16 Thermostat Housing Gasket Mahle C31900 $7.26
Fits: Duramax 2001-2016

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Duramax 01-16 Water Pump Seal Mahle K31904 — Duramax 01-16 Water Pump Seal Mahle K31904 $2.03
Fits: Duramax 2001-2016

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Duramax 01-16 Exhaust Manifold To Up-Pipe Gasket Mahle F31903 — Duramax 01-16 Exhaust Manifold To Up-Pipe Gasket Mahle F31903 $9.14
Fits: Duramax 2001-2016

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Duramax 01-16 Engine Timing Cover Seal Mahle 67775 — Duramax 01-16 Engine Timing Cover Seal Mahle 67775 $40.48
Fits: Duramax 2001-2016

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LML Duramax Lower Engine Gasket Kit Mahle CS54580B — LML Duramax Lower Engine Gasket Kit Mahle CS54580B $201.06
Fits: LML Duramax 2011-2016

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Duramax 01-16 Exhaust Up-Pipe To Turbo Gasket Mahle F32918 — Duramax 01-16 Exhaust Up-Pipe To Turbo Gasket Mahle F32918 $15.30
Fits: Duramax 2001-2016

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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

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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

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Duramax Rear Main Seal GM 97209342 — Duramax Rear Main Seal GM 97209342 $67.49
Fits: Duramax 2001-2022

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Duramax Front Main Seal GM 97209341 — Duramax Front Main Seal GM 97209341 $63.26
Fits: Duramax 2001-2021

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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

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LML Duramax Oil Outlet Tube Gasket GM 12627897 — LML Duramax Oil Outlet Tube Gasket GM 12627897 $7.57
Fits: LML Duramax 2011-2016

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LML Duramax Upper Intake Y-Bridge Seal GM 12627913 — LML Duramax Upper Intake Y-Bridge Seal GM 12627913 $16.89
Fits: LML Duramax 2011-2016

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LML Duramax Valve Cover Gasket GM 12628569 — LML Duramax Valve Cover Gasket GM 12628569 $50.06
Fits: LML Duramax 2010-2016

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LML Duramax Water Pump Outlet Pipe Gasket GM 12635594 — LML Duramax Water Pump Outlet Pipe Gasket GM 12635594 $10.88
Fits: LML Duramax 2011-2016

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LML Duramax Throttle Body To Grid Heater Gasket GM 12638606 — LML Duramax Throttle Body To Grid Heater Gasket GM 12638606 $10.96
Fits: LML Duramax 2011-2016

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Duramax Oil Cooler Outlet Gasket - Drivers Side GM 12640849 — Duramax Oil Cooler Outlet Gasket - Drivers Side GM 12640849 $11.67
Fits: Duramax 2011-2022

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Duramax Oil Cooler Outlet Gasket - Passenger Side GM 12640850 — Duramax Oil Cooler Outlet Gasket - Passenger Side GM 12640850 $11.75
Fits: Duramax 2010-2020

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Duramax 07-20 Power Brake Booster Gasket AcDelco 22872387 — Sold Out
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 $4.20
Fits: Duramax 2001-2016

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Duramax 01-16 Coolant Bypass Tube Lower Pipe Seal GM 94011603 — Duramax 01-16 Coolant Bypass Tube Lower Pipe Seal GM 94011603 $3.87
Fits: Duramax 2001-2016

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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

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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

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Duramax 01-16 Oil Cooler O-Ring GM 94399279 — Duramax 01-16 Oil Cooler O-Ring GM 94399279 $6.56
Fits: Duramax 2001-2016

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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

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Duramax 01-16 Oil Cooler To Block O-Ring Seal GM 97216175 — Duramax 01-16 Oil Cooler To Block O-Ring Seal GM 97216175 $8.24
Fits: Duramax 2001-2016

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Duramax Engine Oil Cooler Seal GM 97358847 — Duramax Engine Oil Cooler Seal GM 97358847 $24.70
Fits: Duramax 2001-2016

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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

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LML Duramax EGR Cooler Gasket GM 98065520 — LML Duramax EGR Cooler Gasket GM 98065520 $8.24
Fits: LML Duramax 2011-2016

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LML Duramax EGR Cooler Gasket GM 98065521 — LML Duramax EGR Cooler Gasket GM 98065521 $18.13
Fits: LML Duramax 2011-2016

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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

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Duramax Rear Adapter Water Housing Cover Gasket GM 97229043 — Duramax Rear Adapter Water Housing Cover Gasket GM 97229043 $8.41
Fits: Duramax 2001-2022

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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

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Duramax Front Main Seal AcDelco 97209341 — Duramax Front Main Seal AcDelco 97209341 $51.80
Fits: 2500/3500HD Silverado | Sierra 2001-2022

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Duramax 11-21 Transfer Case Adapter Gasket AcDelco 84003884 — Duramax 11-21 Transfer Case Adapter Gasket AcDelco 84003884 $8.66
Fits: 2500/3500HD Silverado | Sierra 2011-2021

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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

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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

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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

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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

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Duramax 11-19 Front Drive Axle Inner Shaft Seal GM 23196678 — Duramax 11-19 Front Drive Axle Inner Shaft Seal GM 23196678 $95.11
Fits: Duramax 2011-2019

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Duramax 01-16 Head Gasket Grade C Right GM 12637788 — Duramax 01-16 Head Gasket Grade C Right GM 12637788 $140.64
Fits: Duramax 2001-2016

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Duramax 01-16 Head Gasket Grade C Left GM 12637785 — Duramax 01-16 Head Gasket Grade C Left GM 12637785 $129.96
Fits: Duramax 2001-2016

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Duramax 11-19 Rear Axle Drain / Fill Plug GM 92230583 — Duramax 11-19 Rear Axle Drain / Fill Plug GM 92230583 $13.20
Fits: Duramax 2011-2019

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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

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LML Duramax Head Gasket Kit without Studs Alliant AP0155 — LML Duramax Head Gasket Kit without Studs Alliant AP0155 $326.61
Fits: LML Duramax 2011-2016

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LML Duramax Head Gasket Kit Powerstroke Products PP-HGS-6.6DMAXLML — LML Duramax Head Gasket Kit Powerstroke Products PP-HGS-6.6DMAXLML $375.00
Fits: LML Duramax 2011-2016

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Duramax 2001-2016 Wave-Stopper Cylinder Head Gasket (Grade C) MAHLE 5459X — Duramax 2001-2016 Wave-Stopper Cylinder Head Gasket (Grade C) MAHLE 5459X $138.83
Fits: Duramax 2001-2016

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LML|LGH Duramax Valve Cover Gasket Set MAHLE VS50667 — LML|LGH Duramax Valve Cover Gasket Set MAHLE VS50667 $98.25
Fits: LML|LGH Duramax 2011-2016

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Duramax 01-16 Left Side Cylinder Head Gasket Mahle 55027 — Duramax 01-16 Left Side Cylinder Head Gasket Mahle 55027 $58.71
Fits: Duramax 2001-2016

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