Collection:
2004.5-2005 GM 2500/3500 Engine Parts
80 products
Fleece | Universal Billet Aluminum Adapter Fitting -10AN Male TO 1.325in O-Ring Bore
Regular price
$33.95
Sale price
$33.95
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Anodized billet aluminum adapter fitting with retaining bolt. Features a -10AN Male fitting to 1.325" O-ring bore.
XDP | 2001-2005 GM 6.6L Duramax LB7 / LLY | 2003-2005 Kodiak / Topkick C4500 / C5500 6.6L Duramax XTRA Cool Water Pump Housing Only
Regular price
$61.95
Sale price
$61.95
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The XDP X-TRA Cool Water Pump Housing (Housing Only) XD684 will replace the damaged housing on your GM 6.6 Duramax LB7/LLY. Over time these housings are known to erode or leak due to cavitation or ...
XDP | 2001-2005 GM 6.6L Duramax LB7 / LLY | 2003-2005 Kodiak / Topkick C4500 / C5500 6.6L Duramax XTRA Cool Water Pump With Housing
Regular price
$156.95
Sale price
$156.95
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The XDP X-TRA Cool Water Pump (With Housing) XD666 is a high-quality replacement for the failed water pump on your GM 6.6 LB7/LLY Duramax engine. This Water Pump comes with the housing which is kno...
XDP | 2001-2005 GM 6.6L Duramax LB7 / LLY | 2003-2005 Kodiak / Topkick C4500 / C5500 6.6L Duramax XTRA Cool Water Pump Only
Regular price
$77.95
Sale price
$77.95
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Replace the failed water pump on your GM 6.6 LB7/LLY Duramax with a XDP X-TRA Cool Water Pump (Pump Only). The X-TRA Cool Water Pump is manufactured to meet the same specifications as the OEM pump....
XDP | 2001-2005 GM 6.6L LB7 / LLY Duramax X220 Main Stud Kit
Regular price
$234.95
Sale price
$234.95
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Upgrade the factory main bolts in your 2001-2005 GM 6.6L Duramax with the XDP Main Stud Kit XD3007MS. Whether you are setting up your Duramax for the track or street, upgrading the stock OEM main b...
OptiTorque | 2001-2016 GM Duramax Patriot Head Stud Kit
Regular price
$499.99
Sale price
$499.99
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These are a durable replacement for your factory head bolts. If you're looking to add little to no horsepower, these are the most cost effective option.
FEATURES
Tensile Strength - 180,000 to 220...
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