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2001-2004 GM 2500/3500 Engine Parts

125 products
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Fleece | 2001-2016 GM 2500 / 3500 Duramax Billet Oil Cap - Black Fleece | 2001-2016 GM 2500 / 3500 Duramax Billet Oil Cap - Black
$71.00
$71.00
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. 
Fleece | 2001-2007 GM Duramax / 2011-2016 GM 2500 / 3500 Duramax Oil Cooler Adapter Kit Fleece | 2001-2007 GM Duramax / 2011-2016 GM 2500 / 3500 Duramax Oil Cooler Adapter Kit
$142.00
$142.00
Fleece Performance 01-07 GM Duramax / 11-16 GM 2500/3500 Duramax Oil Cooler Adapter Kit.
Fleece | 2001-2004 GM Duramax LB7 Freedom Cylinder Head With Cupless Injector Bore (Passenger Side) Fleece | 2001-2004 GM Duramax LB7 Freedom Cylinder Head With Cupless Injector Bore (Passenger Side)
$1,561.00
$1,561.00
Fleece Performance 01-04 GM Duramax LB7 Freedom Cylinder Head w/Cupless Injector Bore (Passenger Side)
Fleece | 2001-2004 GM Duramax LB7 Freedom Cylinder Head With Cupless Injector Bore (Driver Side) Fleece | 2001-2004 GM Duramax LB7 Freedom Cylinder Head With Cupless Injector Bore (Driver Side)
$1,561.00
$1,561.00
Fleece Performance 01-04 GM Duramax LB7 Freedom Cylinder Head w/Cupless Injector Bore (Driver Side)
Fleece | 2001-2004 GM Duramax 6.6L LB7 High Flow LB7 Intake Horn Fleece | 2001-2004 GM Duramax 6.6L LB7 High Flow LB7 Intake Horn
$143.00
$143.00
Increase your LB7's potential with this simple, but effective upgrade. Back-to-back dyno pulls showed an increase of 15hp with this Fleece Performance Modified LB7 Intake Horn ? that?s about the ch...