OBS Duramax Swap Parts
Everything to swap a Duramax diesel into your 1988-1998 Chevy & GMC OBS truck — mounts, adapter plates, and hardware for LB7 through later Duramax platforms. Prefer gas? See OBS LS or LT Engine Swap Parts, or the full Engine Swap Parts hub.
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Cylinder Head Gasket (Left) - GM Duramax 6.6L (2001-2009)
Regular price $112.91 USDRegular price -
Cylinder Head Gasket (Right) - GM Duramax 6.6L (2001-2009)
Regular price $112.91 USDRegular price -
Cylinder Head Bolt Set - GM Duramax 6.6L (2001-2009)
Regular price $92.47 USDRegular price -
Rod Bolt Kit - GMC 6.6L Duramax L5P
Regular price $278.40 USDRegular price -
12pt Oil Pan Bolt Kit - 6.6L Duramax LB7-LMM
Regular price $46.82 USDRegular price -
12pt Upper Rocker Cover Bolt Kit - 6.6L Duramax LLY-LMM
Regular price $56.22 USDRegular price -
SS 12pt Upper Rocker Cover Bolt Kit - 6.6L Duramax LLY-LMM
Regular price $79.06 USDRegular price -
SS 12pt Lower Rocker Cover Bolt Kit - 6.6L Duramax LLY-LMM
Regular price $100.25 USDRegular price -
SS 12pt Street Thermostat Housing Bolt Kit - 6.6L Duramax LB7-LBZ
Regular price $28.06 USDRegular price -
Hex Valve Cover Bolt Kit - 6.6L Duramax LB7 (Standard)
Regular price $94.58 USDRegular price -
Hex Valve Cover Bolt Kit - 6.6L Duramax LBZ/LLY/LML/LMM
Regular price $134.20 USDRegular price -
12pt Valve Cover Bolt Kit - 6.6L Duramax LB7 (Standard)
Regular price $106.06 USDRegular price -
12pt Street Thermostat Housing Bolt Kit - 6.6L Duramax LMM
Regular price $33.06 USDRegular price -
12pt Valve Cover Bolt Kit - 6.6L Duramax LB7
Regular price $155.08 USDRegular price -
Hex Valve Cover Bolt Kit - 6.6L Duramax LB7
Regular price $137.83 USDRegular price -
SS 12pt Y-Pipe Bolt Kit - 6.6L Duramax LB7-LMM
Regular price $24.18 USDRegular price
