2004 GMC SIERRA 2500 HD Parts & Accessories

Earl's Performance Vented Oil Fill Caps 3434122ERL

Oil Fill Cap, Twist-In, Billet Aluminum, Black, -10 AN, LS, Gen-V, Coyote, Each

Part Number: EAR-3434122ERL

4.29 out of 5 stars ( 7 )

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ACDelco GM Genuine Parts Remanufactured Alternators 88864281

Alternator, GM AD230 Case Style, 12 V, 105 amps, Internal Regulator, Serpentine Pulley, Cadillac, Chevy, GMC, Each

Part Number: ADO-334-2491A

4.2 out of 5 stars ( 5 )

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MSD Blaster OEM Replacement Coils 82653

Ignition Coil, Blaster OEM Replacement, Buick, Cadillac, Chevy, GMC, Isuzu, Hummer, Pontiac, Saab, Each

Part Number: MSD-82653

Not Yet Reviewed

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Autolite XP Xtreme Performance Spark Plugs XP5245

Spark Plug, Resistor, Iridium Tip, Copper Core, 14mm Thread Size, 0.708 in. Reach, Tapered Seat, Each

Part Number: ATL-XP5245

3.0 out of 5 stars ( 1 )

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Holley LS Valley Covers 241-262

Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed, Black Anodized, 10-bolt Pattern, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: HLY-241-262

Not Yet Reviewed

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FASS Fuel Systems Duramax Factory Fuel Filter Delete Kits DFD-4000

Fuel Filter Delete, Housing, Chevy, GMC, 6.6L Diesel, Kit

Part Number: FSY-DFD-4000

4.17 out of 5 stars ( 6 )

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Sherman Rocker Panels SHE901-04BR

Rocker Panel, Passenger Side Outer, OE Design, Steel, EDP Coated, Chevy, GMC, Each

Part Number: SHI-901-04BR

4.0 out of 5 stars ( 1 )

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McGaughy's Rear Shackle Kits 33089

McGaughy's Rear Shackle Kits 33089

Old # HD-SHACKLE {PAIR} (99-00 2500, 04 2500, 1500HD, 02-06 3/4 TON & 1 TON, SHACKLES)

Part Number: MMC-33089

Not Yet Reviewed

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80W90 Yukon Gear & Axle Gear Lube OK 3-QRT-CONV

Gear Lube, Conventional, 80W90, 3 qt., Each

Part Number: YGA-15002

5.0 out of 5 stars ( 4 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Dorman LED Light Bulbs 211W-HP

Light Bulb, LED, 211-2, White, Each

Part Number: RNB-211W-HP

4.45 out of 5 stars ( 11 )

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Fox Racing Shox 2.0 Performance Series IFP Smooth Body Shocks 985-24-190

Shocks and Struts, 2.0 Performance Series IFP Smooth Body Shocks, Monotube, Rear, Chevrolet, GMC, 2500/3500 HD, Each

Part Number: FRS-985-24-190

5.0 out of 5 stars ( 1 )

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Delphi MAP Sensors PS10000

Sensor, MAP, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Hummer, Isuzu, Saab, Saturn, Each

Part Number: DFP-PS10000

5.0 out of 5 stars ( 1 )

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Mishimoto Intercoolers MMINT-DMAX-01SL

Intercooler, Aluminum, Natural, 3.25 in. Inlet, 3.00 in. Outlet, Slip Fit, Chevy, GMC, 6.6L Duramax, Kit

Part Number: MIO-MINTDMAX01SL

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Bosch Premium Original Equipment-Type Oxygen Sensors 15282

Oxygen Sensors, Premium Original Equipment Type, Buick, Cadillac, Chevy, GMC, Hummer, Saab, Each

Part Number: BCH-15282

Not Yet Reviewed

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Taylor 409 Pro Race Spiro-Wound 10.4mm Spark Plug Wires 79205

Spark Plug Wires, 409 Pro Race, Spiro-Wound, 10.4mm, Red, Stock Boots, Chevy, GMC, LS, Set

Part Number: TAY-79205

4.59 out of 5 stars ( 54 )

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ACDelco Blower Motors 89019320

Blower Motors, Plastic, Black, Wheel, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: ADO-15-81646

Not Yet Reviewed

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Body Parts Grilles GM1200568

Grille, Main Grille, Stock, ABS Plastic, Black/Chrome, GMC, Each

Part Number: BDY-GM1200568

5.0 out of 5 stars ( 1 )

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Warn Winch Carriers 107000

Winch Carrier, Steel, Black, 2 in. Receiver, Includes Wiring for Front of Vehicle Mounting, Each

Part Number: WRN-107000

Not Yet Reviewed

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ACDelco Gold Engine Air Filter Elements 19254695

Air Filter Element, Professional, Panel, Paper, White, 9.800 in. Width, 12.300 in. Length, 2.300 in. Height, Each

Part Number: ADO-A3085CF

5.0 out of 5 stars ( 1 )

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Bosch Clear Advantage Wiper Blades 22CA

Wiper Blade, Clear Advantage, Steel Frame, Graphite Blade, Black, 22.0 in. Length, Each

Part Number: BCH-22-CA

3.67 out of 5 stars ( 3 )

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Fox 2.0 Shocks FOX98224660

Shock, FOX 2.0 Performance Series, IFP Shock, Ford, Chevy, GMC, Rear, 4WD, Lifted 4.0 in. Each

Part Number: BDX-FOX98224660

Not Yet Reviewed

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McLeod Flywheel Bolt Kits 1556

Flywheel Bolts, 12-Point, 11mm x 1.5 Thread, GM LS, Set of 6

Part Number: MCL-1556

3.0 out of 5 stars ( 2 )

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ACDelco GM Genuine Parts Engine Galley Plugs 12573460

Oil Galley Plug, Chevy, Small Block Gen III, Each

Part Number: ADO-12573460

5.0 out of 5 stars ( 1 )

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Fel-Pro Transfer Case Gasket Kits 72770

Transfer Case Gasket Kit, GM Truck, New Process, Kit

Part Number: FEL-72770

5.0 out of 5 stars ( 4 )

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SuspensionMAXX MAXXLoad Heavy-Duty Bump Stops SMX-2535

Frame Bump Stops, MAXXLoad Heavy-Duty Bump Stops, Urethane, Black, Front, Chevy, GMC, Hummer, Pair

Part Number: SPX-SMX-2535

4.95 out of 5 stars ( 20 )

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2004 GMC SIERRA 2500 HD Parts and Accessories