ENGINE

2001-2016 GM 6.6L DURAMAX (REAR) The GM 97241130 Rear Thermostat is a factory replacement for your 2001-2016 GM 6.6L Duramax. This Thermostat features the same OE activation temp and is a drop-in replacement for the Rear Thermostat equipped from the...

2001-2015 GM 6.6L DURAMAX The GM 11610681 Cylinder Head Bolt is an OE replacement for the factory installed head bolts in your 2001-2015 GM 6.6L Duramax.  The factory bolts are torque-to-yield and are not intended to be re-used. Bolts are...

2001-2015 GM 6.6L DURAMAX (1.05MM) The GM 12637785 Head Gasket is a direct replacement for your 2001-2015 GM 6.6L Duramax. This gasket features the same high quality construction as the original gasket on your engine. Grade C 1.05mm Left...