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2004.5-2005 GM 2500/3500 Engine Parts

80 products
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. 
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 ...
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...
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....
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...
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...