2024 Duramax Diesel Upgrades. Horsepower, torque and an all new allison 10 speed creating and increase in towing capacity from it's predecessor. For 2020, gm made some huge waves in the light duty diesel market by introducing their first late model, inline.

These vehicles are equipped with the l5p diesel engine, 6.6l, di,. From stock replacement parts to performance upgrades, xdp is sure to have the 6.6 duramax l5p parts you need.