Exhaust & Emission Systems for 2004 GMC Sierra 3500
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Shorty Headers for GMC Chevy 03-06 Sierra Silverado 1500HD 2500HD Truck 6.0L (Fits: 2004 GMC Sierra 3500)
Brand New$189.00Was: $285.70or Best OfferFree shippingMBRP 4" EXHAUST FOR 2003-2007 CHEVY SILVERADO GMC SIERRA 2500 3500 6.6L S6000P (Fits: 2004 GMC Sierra 3500)
Brand New: MBRP Exhaust$419.99Top Rated Plus- Sellers with highest buyer ratings
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Free shipping33 watchingEVAP Vapor Canister Vent Solenoid Valve For Chevrolet Silverado GMC Sierra 1500 (Fits: 2004 GMC Sierra 3500)
Brand New$21.99or Best OfferFree shipping504 soldMagnaflow 93480 Catalytic Converters Driver Left Side for Chevy Suburban Yukon
Brand New: MagnaFlow$684.00Free shipping6.6L Duramax Heavy Duty Ugraded 304SS head Pipes W/ Gaskets For 01-16 GMC Chevy (Fits: 2004 GMC Sierra 3500)
Brand New: Unbranded$125.75Free shippingDiamond Eye for Exhaust System Kit 2001-2005 Chevy/Gmc 6.6L Duramax 2500/3500 (Fits: 2004 GMC Sierra 3500)
FREE AND FAST SHIPPING. FREE RETURNS. 100% AUTHENTIC!Brand New: Diamond Eye Performance(1)1 product ratings - Diamond Eye for Exhaust System Kit 2001-2005 Chevy/Gmc 6.6L Duramax 2500/3500$347.72Top Rated Plus- Sellers with highest buyer ratings
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Free shipping117 sold01-06 Chevrolet GMC Truck 6.0L 8.1L Mandrel Dual Exhaust w/ Flowmaster Super 40 (Fits: 2004 GMC Sierra 3500)
Brand New: Custom$299.95Free shipping204 soldVapor Canister Purge Solenoid Valve For 04-06 GMC Yukon Sierra 1500 4.8/5.3/6.0L (Fits: 2004 GMC Sierra 3500)
Brand New: Unbranded$13.49Top Rated Plus- Sellers with highest buyer ratings
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Free shipping01-06 Chevrolet GMC Truck 6.0L / 8.1L Mandrel Dual Exhaust w/ 3 Chamber Muffler (Fits: 2004 GMC Sierra 3500)
Brand New: Custom$204.95Free shipping214 soldMBRP 4" Exhaust Tail Pipe FOR 2001 2007 Chevy GMC Silverado Sierra 2500 3500 HD (Fits: 2004 GMC Sierra 3500)
Brand New: MBRP Exhaust$126.00Top Rated Plus- Sellers with highest buyer ratings
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Free shippingExhaust Headers For 1999-2006 Chevrolet Silverado/GMC Sierra 1500 2500 3500 6.0L (Fits: 2004 GMC Sierra 3500)
Brand New: 1st-racing$187.99Was: $199.99or Best OfferFree shipping91 soldEVAP Vapor Canister Vent Solenoid Valve For Chevrolet Silverado GMC Sierra 1500 (Fits: 2004 GMC Sierra 3500)
Brand New: Unbranded$23.99Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingShorty Headers for GMC Chevrolet 99-06 6.0L Silverado Sierra Truck SUV Pickup (Fits: 2004 GMC Sierra 3500)
Brand New: 1st-racing$187.99Was: $199.99or Best OfferFree shipping30 soldShorty Headers for Chevy GMC 03-06 Silverado Sierra 1500HD 2500HD Truck 6.0L V8 (Fits: 2004 GMC Sierra 3500)
Brand New$279.99Was: $349.99Free shipping266 soldMagnaflow Catalytic Converter for 2001-2004 GMC Sierra 3500
MagnaFlow 51659-MK Catalytic ConverterBrand New: MagnaFlow$281.00Free shippingCatalytic Converter for 2004 GMC Sierra 3500
MagnaFlow 447209-BFI Catalytic ConverterBrand New: MagnaFlow$390.00Free shippingDual Stainless CatBack Exhaust 01-06 Chevy/GMC 2500/3500 6.0L Extended Cab Short (Fits: 2004 GMC Sierra 3500)
Brand New: Custom$399.95or Best OfferFree shippingOnly 1 left!MBRP S6000P 4" Cat-Back Exhaust for 01-05 Silverado 2500HD/3500HD 6.6L Duramax (Fits: 2004 GMC Sierra 3500)
Fast and Free Shipping. Easy Returns. Great service.Brand New: MBRP Exhaust$419.99or Best OfferFree shipping37 watching3" Replacement Exhaust System For 2001-2004 GMC Sierra 3500 Duramax 6.6L
Brand New: Krator$121.99Free shippingDiamond Eye for Exhaust System Kit 2001-2005 Chevy/Gmc 6.6L Duramax 2500/3500 (Fits: 2004 GMC Sierra 3500)
Fast Shipping | Huge Selection | Shop NowBrand New: Diamond Eye Performance$399.44Free shipping5" CatBack Exhaust Muffler Kit 01-05 GMC Sierra 2500 Duramax 6.6L Turbo Diesel (Fits: 2004 GMC Sierra 3500)
Brand New: Custom$344.95Free shippingOnly 1 left!MBRP 4'' CAT-Back Exhaust Single Side Exit Fits 01-05 ChevroletGMC Sierra 3500HD
Brand New: MBRP Exhaust$419.99Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingOnly 1 left!Heavy-Duty Upgraded T304 Up Pipes W/ Gaskets for 6.6L 01-16 GMC Chevy Duramax (Fits: 2004 GMC Sierra 3500)
Brand New: Unbranded$158.00or Best OfferFree shipping35 watchingA Pair Fit GMC 99-17 Sierra 1500 2500 3500 Exhaust Hanger Insulator Mount Holder (Fits: 2004 GMC Sierra 3500)
Brand New$18.49or Best OfferFree shippingExhaust Headers For 1999-2006 Chevrolet Silverado GMC Sierra 1500 2500 3500 6.0L (Fits: 2004 GMC Sierra 3500)
Brand New$177.87Free shipping15 watchingEVAP Vapor Canister Purge Solenoid Valve Fits Chevy Express Silverado GMC Sierra (Fits: 2004 GMC Sierra 3500)
Brand New$13.39Free shippingBanks Power 48631 Head Pipe Kit For 01-04 Chevy / GMC 2500 / 3500 6.6L Duramax (Fits: 2004 GMC Sierra 3500)
Brand New: Banks Power$176.00Top Rated Plus- Sellers with highest buyer ratings
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Free shippingOnly 1 left!MBRP 4" EXHAUST FOR 2001-2005 CHEVY GMC DURAMAX DIESEL 6.6L S6000AL (Fits: 2004 GMC Sierra 3500)
Brand New: MBRP Exhaust$524.99Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shipping15 watchingRudy's High Flow Race Exhaust Manifolds & Gaskets For 2001-2004 GM 6.6L Duramax (Fits: 2004 GMC Sierra 3500)
*FREE SHIPPING!* **BOLTS + GASKETS INCLUDED!**Brand New$344.95Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shipping19 watchingMagnaflow Catalytic Converter for 2001-2004 GMC Sierra 3500
MagnaFlow 51659-MI Catalytic ConverterBrand New: MagnaFlow$281.00Free shippingExhaust System Kit for 2001-2004 GMC Sierra 3500 (Fits: 2004 GMC Sierra 3500)
MBRP Exhaust S6000P-FV 4in. Cat-BackBrand New: MBRP Exhaust$419.99Free shippingMagnaflow Exhaust Pipe for 2004 GMC Sierra 3500 (Fits: 2004 GMC Sierra 3500)
MagnaFlow 15398-BJ Exhaust and Tail PipesBrand New: MagnaFlow$229.72Estimated delivery dateEst. delivery Fri, May 24MBRP S6026P Aluminized Steel 4" Exhaust for 07-10 Silverado Sierra 2500HD 3500HD
30 Day Returns. Fast Shipping. Trusted Dealer.Brand New: MBRP Exhaust$299.99Top Rated Plus- Sellers with highest buyer ratings
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or Best Offer7 watchingEVAP Vapor Canister Vent Solenoid Valve For Chevrolet Silverado GMC Sierra 1500 (Fits: 2004 GMC Sierra 3500)
Brand New$25.82Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shipping01-06 Chevrolet GMC Truck 6.0L / 8.1L Mandrel Dual Exhaust Dual 4" Max Flow (Fits: 2004 GMC Sierra 3500)
Brand New: Custom$249.95Estimated delivery dateEst. delivery Fri, May 2443 watchingVapor Emissions Charcoal Canister 15137021 For 2004-2013 Chevrolet Silverado (Fits: 2004 GMC Sierra 3500)
Brand New: Unbranded$64.00Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shipping01-06 Chevrolet GMC Truck 6.0L / 8.1L Mandrel Bent Dual Exhaust w/ X Pipe (Fits: 2004 GMC Sierra 3500)
Brand New: Custom$189.95Estimated delivery dateEst. delivery Fri, May 24100 soldRudy's Updated Driver Side Exhaust Manifold For 2001-16 Chevy/GMC Duramax Diesel
Brand New$89.95Estimated delivery dateEst. delivery Fri, May 24or Best OfferTop Rated Plus- Sellers with highest buyer ratings
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199 soldMagnaflow Catalytic Converter for 2001-2004 GMC Sierra 3500
MagnaFlow 51659-MJ Catalytic ConverterBrand New: MagnaFlow$281.00Estimated delivery dateEst. delivery Fri, May 24Exhaust System Kit for 2001-2004 GMC Sierra 3500 (Fits: 2004 GMC Sierra 3500)
MBRP Exhaust S6000P-DZ 4in. Cat-BackBrand New: MBRP Exhaust$419.99Free shipping4X O2 Oxygen Sensor Upstream + Downstream For 2003-2007 Chevrolet GMC Sierra 6.0 (Fits: 2004 GMC Sierra 3500)
Brand New: Unbranded$55.11Top Rated Plus- Sellers with highest buyer ratings
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Free shippingVapor Emissions Charcoal Canister For 2004-19 Chevrolet GMC Workhorse 15137021 (Fits: 2004 GMC Sierra 3500)
Brand New: Unbranded$69.35Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shipping01-06 Chevrolet GMC Truck 6.0L / 8.1L Mandrel Bent Dual Exhaust w/ X Pipe (Fits: 2004 GMC Sierra 3500)
Brand New: Custom$214.95Estimated delivery dateEst. delivery Fri, May 2439 watchingNEW Vent Purge Solenoid With wiring harness For GMC Sierra 2500 Chevy Silverado (Fits: 2004 GMC Sierra 3500)
Brand New$24.99Free shippingVapor Canister For 2004-2013 Chevrolet Silverado 1500 12569373 15137021 (Fits: 2004 GMC Sierra 3500)
Brand New: Unbranded$65.00or Best OfferFree shipping12 watching4X O2 Oxygen Sensor For Chevy Silverado 2003-2007 GMC Sierra 2500HD 6.0L (Fits: 2004 GMC Sierra 3500)
Brand New: Unbranded$55.11Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shipping76 soldEVAP Vapor Canister Purge Solenoid Valve For Cadillac Chevy Silverado GMC Sierra (Fits: 2004 GMC Sierra 3500)
Brand New$13.46Free shipping93 sold01-06 Chevrolet GMC Truck 6.0L / 8.1L Mandrel Dual Exhaust w/ 3 Chamber Muffler (Fits: 2004 GMC Sierra 3500)
Brand New: Custom$239.95Estimated delivery dateEst. delivery Fri, May 2428 watchingLeft Exhaust Manifold w/ Gasket Kit for Chevy Silverado 2500 HD GMC Sierra 3500 (Fits: 2004 GMC Sierra 3500)
Brand New: Unbranded$88.99Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingVapor Canister for GM Trucks & Vans Select 2004-2019 Chevy GMC Workhorse Models (Fits: 2004 GMC Sierra 3500)
Brand New$64.00Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingL&TEC Shorty Headers for Chevy GMC 03-06 Silverado Sierra 1500HD 2500HD 6.0L V8 (Fits: 2004 GMC Sierra 3500)
Brand New: TEC$239.99Free shippingOnly 3 left01-06 Chevrolet GMC Truck 6.0L / 8.1L Mandrel Dual Exhaust Dual 4" Max Flow (Fits: 2004 GMC Sierra 3500)
Brand New: Custom$249.95Estimated delivery dateEst. delivery Fri, May 2479 sold01-06 Chevrolet GMC Truck 6.0L / 8.1L Mandrel Dual Exhaust Cherry Bomb Extreme (Fits: 2004 GMC Sierra 3500)
Brand New: Custom$194.95Estimated delivery dateEst. delivery Fri, May 24104 soldDiamond Eye for Exhaust System Kit 2001-2005 Chevy/Gmc 6.6L Duramax 2500/3500 (Fits: 2004 GMC Sierra 3500)
FREE AND FAST SHIPPING. FREE RETURNS. 100% AUTHENTIC!Brand New: Diamond Eye Performance$421.57Top Rated Plus- Sellers with highest buyer ratings
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Free shippingNew Exhaust Manifold With Gasket Right Passenger Side for Chevy GMC V8 Pickup (Fits: 2004 GMC Sierra 3500)
Brand New: JDMSPEED$62.96or Best OfferFree shipping229 sold⭐Vapor Canister Purge Solenoid Valve For Cadillac Pontiac CHEVROLET GMC 12581282 (Fits: 2004 GMC Sierra 3500)
Brand New$13.31or Best OfferFree shippingLS Swap Exhaust Headers For 2002-13 Chevy Silverado GMC Sierra 1500 2500 35000 (Fits: 2004 GMC Sierra 3500)
Brand New$103.55Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shipping1.75"For 03-06 Chevy GMC Shorty Header Sierra Silverado 1500HD 2500HD Truck 6.0L (Fits: 2004 GMC Sierra 3500)
Brand New$189.00Was: $285.70or Best OfferFree shipping2-1/2 Shorty Header for 03-06 Chevy GMC Sierra Silverado 1500HD 2500HD Truck 6.0 (Fits: 2004 GMC Sierra 3500)
Brand New$196.00or Best OfferFree shippingExhaust System Kit for 2001-2004 GMC Sierra 3500 (Fits: 2004 GMC Sierra 3500)
MBRP Exhaust S6000P-DY 4in. Cat-BackBrand New: MBRP Exhaust$419.99Free shipping