Dominate the road with 2006–2007 Duramax LLY and LBZ upgrades including EFI Live tuning, 5-inch exhaust kits, and lift pump systems for clean, consistent fuel delivery. These pre-emissions trucks are known for their tunability, and this category delivers proven horsepower gains with compatible cold air intakes, turbo manifolds, and Allison transmission support.
2004.5-2010 GM 6.6L DURAMAX
The GM 12642623 Fuel Filter Head Assembly for your 04.5-10 GM 6.6L Duramax is an OE factory replacement for your GM Duramax. Over time, the stock fuel filter head can...
2001-2010 GM 6.6L DURAMAX
The GM 94011604 Upper Radiator Pipe Seal for your 2001-2010 GM 6.6L Duramax is a factory replacement for the OE seal. This seal goes on the coolant outlet pipe that...
2001-2015 GM 6.6L DURAMAX
The GM 98002804 Exhaust Manifold Gasket is a factory replacement for your 2001-2015 GM 6.6L Duramax. Gaskets sold individually.
2001-2015 GM 6.6L DURAMAX
The GM 12637647 Updated Driver Side Exhaust Manifold for your 2001-2010 GM 6.6L Duramax features a "full bore" unlike the factory exhaust manifold that is "kinked or...
2001-2015 GM 6.6L DURAMAX
The GM 97188685 Exhaust Manifold To Up-Pipe Gasket is a direct replacement for your 2001-2015 GM 6.6L Duramax. This gasket is commonly replaced when upgrading exhaust...
2001-2007 GM 6.6L DURAMAX (ALSO 2007.5-2010 WITH LEFT HAND DIPSTICK TUBE)
The GM 15794381 Transmission Dipstick is a direct replacement for the 2001-2007 GM 6.6L Duramax. This part is also commonly...
2001-2010 GM 6.6L DURAMAX
The GM 11561233 Torsion Bar Nut is a direct replacement for the factory hardware in your 2001-2010 GM 6.6L Duramax. From being adjusted over time, the factory Torsion Bar...
2001-2016 GM 6.6L DURAMAX (FRONT)
The GM 97241129 Front 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...
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...
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...
2001-2010 GM 6.6L DURAMAX
The GM 10371405 Fuel Cooler for your 2001-2010 GM 6.6L Duramax is a direct replacement for your factory Fuel Cooler. Over time, Fuel Coolers may begin to leak, as well as...