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2004.5-2005 GM 2500/3500 Engine Parts

77 products
Regular price $124.00
Sale price $124.00
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For 2001-2018 6.6L Duramax applications Fluidampr recommends damper installation with the 6.6L Duramax Bolt Kit for secure mounting. Kit features a heat treated, high strength bolt from ARP and dia...
Regular price $107.00
Sale price $107.00
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The Fleece Performance Replacement Filter is a cleanable cotton 8-ply filter. This innovative filter features a full round inlet radius that provides for a smooth transition while allowing for a la...
Regular price $25.00
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This is a 12V glow plug for 2001-2004 LB7 and 2004-2005 LLY Chevrolet/GMC 6.6L Duramax engines. This plug is a self-regulating design which allows for fast and safe startups. This engine uses eight...
Regular price $2,071.00
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Optimizes the boosted air density for higher continuous power and lower exhaust gas temps. Restriction-free for superior flow with 25% larger core area and 34% more volume. Big boost tubes & du...
Regular price $638.00
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Gain up to +39 hp/+69 lb-ft. Reduces exhaust gas temps (EGTs) and smoke. Outflows stock and competitors up to 57 Percent. Optional Super-Scoop rams cold air for more power. US Patent #10,138,851...
Regular price $879.00
Sale price $879.00
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Fitment Note  Fits 2004.5-2005 Chevy/GMC 2500/3500 6.6L Duramax, LLY Only **This is NOT a typical exhaust brake, this is an electronic brake!** 2004 was a split year between LB7 and LLY engines. C...