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2004.5-2005 GM 2500/3500 Engine Parts

122 products
Regular price $658.00
Sale price $658.00
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The XDP Premium Balancer Series - Stock Replacement Harmonic Balancer XD709 is an ideal replacement for the worn harmonic balancer on your GM 6.6L Duramax LB7/LLY. A harmonic balancer (also known a...
Regular price $743.00
Sale price $743.00
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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...
Regular price $30.00
Sale price $30.00
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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 $169.00
Sale price $169.00
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Banks Ram-Air filter is a high-flow air-cleaner element that decreases intake restriction and sends more cool, dense ram-air into your engine. Banks Ram-Air filters outperform conventional ones, be...
Regular price $405.00
Sale price $405.00
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The BD Full Bore Exhaust Manifold for the Chevy Duramax engine replaces factory driver's side "pinched down" unit, restoring exhaust flow and balances the V8 engine for smother running. Flow design...
Regular price $84.00
Sale price $84.00
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Billet aluminum MAF bung for 2001-2007 LB7, LLY & LBZ Duramax. The bottom side has a 4.5″ radius machined to fit any 4″ or 5″ tube and includes 2 stainless socket head mounting screws for the M...