2004 GMC SIERRA 2500 HD Parts & Accessories

Pioneer Performance Freeze Plugs PE-496-B

Freeze Plugs, Brass/Steel, Chevrolet, GM LS Engine, Kit

Part Number: PIO-PE-496-B

5.0 out of 5 stars ( 1 )

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Nitrous Express LS Plate Conversion Kits NX934

Nitrous Express LS Plate Conversion Kits NX934

Nitrous Oxide Plate, LS Plate Conversion, 90mm, Aluminum, Black Anodized, 1.000 in. Height, Kit

Part Number: NEX-NX934

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Westin Sure-Grip Running Boards 27-6630

Running Boards, Sure-Grip, Aluminum, Chrome, 79.0 in. Length, Pair

Part Number: WSA-27-6630

5.0 out of 5 stars ( 6 )

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Dorman Spare Tire Hoists 924-510

Spare Tire Hoist, Chevy, GMC, Each

Part Number: RNB-924-510

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

ACL Race Series Performance Engine Bearings Main Bearings 5M7298HXCSTD

MAIN BEARINGS

Part Number: PEB-5M7298HXCSTD

Not Yet Reviewed

Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

Dorman Leaf Spring Bolts 929-704

U-Bolt Repair Kit

Part Number: RNB-929-704

Not Yet Reviewed

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Mishimoto Thermostats MMTS-CHV-01DL

Thermostat, Standard-flow, 174 and 180 degrees, Copper/Stainless Steel, Chevy, Pair

Part Number: MIO-MMTSCHV01DL

3.5 out of 5 stars ( 2 )

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Dorman Power Window Regulator and Motor Assemblies 741-579

Power Window Regulator, Cadillac/Chevy/GMC, Pass Side Rear, Each

Part Number: RNB-741-579

5.0 out of 5 stars ( 9 )

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Chevrolet Performance LS Series Camshafts 12561721

Camshaft, Hydraulic Roller Tappet, Duration at .050 in. 196/201, Lift .467/.479, Chevy, LS1, LQ9, Each

Part Number: NAL-12561721

5.0 out of 5 stars ( 2 )

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Dynomax Ultra Flo Welded Round Steel 4 Inch Muffler 17225

Muffler, Ultra Flo Welded, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each

Part Number: WLK-17225

4.8 out of 5 stars ( 5 )

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ACDelco V-Ribbed Serpentine Belts 88932793

Accessory Belt, V-Ribbed, Serpentine, 6-Ribs, 96.08 in. Length, 0.807 in. Width, Cadillac, Chevy, Ford, GMC, Oldsmobile, Saab, Volvo, Each

Part Number: ADO-6K956

Not Yet Reviewed

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Hastings Premium Ductile Ring Sets 2M4860S030

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm, Includes Ring Set for One Piston, Each

Part Number: HSN-2M4860S030

5.0 out of 5 stars ( 2 )

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Superlift Rear Block Kits 3859

Lift Blocks/U-Bolts, Cast Iron, 5 in. Lift, Rear, Chevy, GMC, Pickup/SUV, RWD/4WD, Kit

Part Number: SLF-3859

3.67 out of 5 stars ( 3 )

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Fel-Pro Exhaust Manifold Hardware ES 75120

Exhaust Manifold Hardware, Black, Steel, Chevrolet, 5.7L, Kit

Part Number: FEL-ES75120

Not Yet Reviewed

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Dorman Headlight Switches 901-142

Headlight Switch, OEM Replacement, Chevy, GMC, Each

Part Number: RNB-901-142

5.0 out of 5 stars ( 2 )

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Dorman Fuel Vapor Canisters 911-095

Fuel Vapor Canister, Plastic, Black, Each

Part Number: RNB-911-095

5.0 out of 5 stars ( 1 )

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CURT Trailer Harness Adapters 56229

Vehicle Towing Harness Adapter, 7-Way, Vehicle End, 24 in., Each

Part Number: CHT-56229

Not Yet Reviewed

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ATP Automatic Transmission Filter Kits B-174

Transmission Filter, Direct-Fit, Kit

Part Number: ATP-B174

4.75 out of 5 stars ( 4 )

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Tuff Country EZ-Ride SX8000 Nitro Gas Shock Absorbers 61232

Shock, SX8000, Twin-Tube, 22.5 in. Extended, 13.5 in. Collapsed Lengths, Stud, Eyelet, Each

Part Number: TFY-61232

5.0 out of 5 stars ( 5 )

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Superlift SL Shadow Shocks 87150

Shock/Strut, SL Shadow, 30.070 in Extended, 17.700 in Collapsed, Twin-Tube, Chevy, GMC, Dodge, Ram, Toyota, Mazda, Ford, Each

Part Number: SLF-87150

Not Yet Reviewed

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PRW High Performance Mechanical Water Pumps 1434606

Water Pump, Mechanical, High-Volume, Counterclockwise, Aluminum, Natural, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: PQX-1434606

3.0 out of 5 stars ( 2 )

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Pacer Performance Flexy Flares Fender Flares 52-149

Fender Flare, Synthetic Rubber, Black, 2.5 in. Flare Width, 1/4 in. Thick, 25 ft. Length Roll, Each

Part Number: PPP-52-149

Not Yet Reviewed

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ACDelco Radio Speakers 19116641

Radio Speaker, Front Side Door, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-19116641

5.0 out of 5 stars ( 1 )

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Continental OE Technology Series Multi-V Belts 4060950

Belt, OE Technology Series, Multi-V, Serpentine, 6-Rib, 95.00 in. Length, Each

Part Number: CEL-4060950

4.63 out of 5 stars ( 8 )

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ACDelco GM Genuine Parts PCV Valve Hoses 12556932

PCV Valve Hose, GM OE, Rubber, Black, Buick, Cadillac, Chevy, GMC, Each

Part Number: ADO-12556932

5.0 out of 5 stars ( 2 )

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2004 GMC SIERRA 2500 HD Parts and Accessories