Duramax Diesel

Duramax Diesel Parts & Performance Upgrades

Maximize the power, reliability, and towing capabilities of your Chevy Silverado or GMC Sierra HD with premium Duramax performance parts from Full Force Diesel. Whether you are driving a classic pre-emissions truck or a late-model platform, the 6.6L and 3.0L Duramax engines respond incredibly well to the right upgrades. We stock everything from everyday maintenance essentials to full competition-grade builds, ensuring your rig runs cooler, pulls harder, and stays on the road longer.

Shop by Duramax Generation & RPO Code

Because GM made significant powertrain and fuel system changes mid-model year, navigating by your specific RPO engine code is the fastest way to guarantee perfect fitment:

• 2001-2004 LB7 Duramax Parts: Upgrade the original generation with drop-in replacement fuel injectors, high-flow air intakes, and rugged exhaust systems.

• 2004.5-2005 LLY Duramax Parts: Eliminate common factory bottlenecks with upgraded turbo mouthpieces, head studs, and heavy-duty cooling system fixes.

• 2006-2007 LBZ Duramax Parts: Take the legendary LBZ to the next level with custom tuning, high-efficiency intake manifolds, and built Allison transmission components.

• 2007.5-2010 LMM Duramax Parts: Restore lost efficiency and boost horsepower with advanced programmers, drop-in turbos, and high-flow filtration.

• 2011-2016 LML Duramax Parts: Protect your engine from injection system failures with preventative CP3 conversion kits, lift pumps, and robust fuel system plumbing.

• 2017-2026 L5P Duramax Parts: Unlock hidden potential in the modern L5P platform with inline modules, cold air intakes, and premium exhaust upgrades.

• 2020-2026 3.0L LM2 & LZ0 Duramax Parts: Keep your light-duty diesel running at peak efficiency with specialized filters, oils, and targeted performance upgrades.