Explore the full lineup of LML Duramax parts including CP4 to CP3 conversion kits, DPF delete exhaust systems for off-road use, and upgraded turbochargers. Built for 2011–2016 Silverado and Sierra 2500/3500 HDs, these LML performance upgrades help eliminate common fuel system failures while increasing power and reliability. Tuning options support switch-on-the-fly with popular platforms like EZ Lynk and H&S.
2001-2017 GM 6.6L DURAMAX
The ACDelco PF2232 Oil Filter is a factory replacement filter for your 2001-2017 GM 6.6L Duramax. As the premier supplier of GM original equipment parts, ACDelco Oil...
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...
2001-2016 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...
2001-2015 GM 6.6L DURAMAX
The GM 12624683 Replacement Passenger Side Exhaust Manifold is a direct replacement for your 2001-2015 GM 6.6L Duramax. Over time, due to heat cycles and corrosion, the...