Collection:

2001-2004 GM 2500/3500 Engine Parts

82 products
Regular price $63.00
Sale price $63.00
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Our Fleece Performance pre-filters are specially designed to extend the service interval of your air filter when used in heavy dust conditions. Made from a durable polyester material it will stop s...
Regular price $696.00
Sale price $696.00
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Upgraded 7/16” diameter pushrods for GM’s Duramax 6.6L diesel engines. Produced from 4130 chrome molybdenum steel and heat treated to Rockwell Rc60 for outstanding strength and rigidity. These push...
Regular price $728.00
Sale price $728.00
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Fleece Performance billet rocker arm bridges for the GM 6.6L Duramax.   FEATURES These bridges offer a massive 2.5-time strength improvement over factory bridges. Machined from billet 8620 steel, t...
Regular price $79.00
Sale price $79.00
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Upgrade your rear engine cover and stop the coolant leaks for good! Our blocking plate is thicker than the stock plate and has an integral square cut O-ring with no gasket required. OE covers are p...
Regular price $57.00
Sale price $57.00
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Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Red
Regular price $57.00
Sale price $57.00
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Dress up your engine bay with our billet aluminum oil cap for the 2001-2016 Duramax!  Includes o-ring and cam-lock and is a direct replacement for your OEM cover.