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Collection:

2001-2004 GM 2500/3500

295 products
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Regular price $99.00
Sale price $99.00
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Dress up your Allison Transmission with our Billet PTO Cover Kit. Complete kit includes covers, gaskets, and button head bolts to give your transmission a clean look. 
Regular price $61.46
Sale price $61.46
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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 $48.70
Sale price $48.70
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Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Red
Regular price $399.00
Sale price $399.00
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The Fleece Performance TapShifter allows you to shift your 2003-2005 GM Allison Transmission with the touch of a button just like the 2006 and newer trucks. Perfect for towing, drag racing, daily d...
Regular price $48.70
Sale price $48.70
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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. 
Regular price $46.97
Sale price $46.97
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The Fleece Performance Duramax Turbo Thermostat Delete Plug is designed to eliminate the stock coolant feed line when installing a non-water cooled turbocharger on your Duramax. It provides clearan...