2004 GMC SIERRA 2500 HD Parts & Accessories

Rancho RS5000X Shock Absorbers RS55288

Shock Absorber, RS5000X, Twin-Tube, Gas Charged, Includes Red Boot, Each

Part Number: RAN-RS55288

4.67 out of 5 stars ( 6 )

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ACDelco Silver Steering Idler Arms 19460316

Idler Arm, Steering, Bracket, Replacement, Greasable, Cadillac, Chevrolet, GMC, Hummer, Truck, Each

Part Number: ADO-46C1123A

Not Yet Reviewed

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AP Exhaust OE Replacement Steel 3 Inch Muffler X504

Muffler, Xlerator Performance, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each

Part Number: APH-X504

3.0 out of 5 stars ( 1 )

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aFe Pro Dry S Air Filter Elements 31-10004

aFe Pro Dry S Air Filter Elements 31-10004

Air Filter, Pro Dry S, Synthetic, OE Replacement, Cadillac, Chevy, GMC, Pickup, SUV, Each

Part Number: AFE-31-10004

5.0 out of 5 stars ( 5 )

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Summit Racing™ Off-Road-8 Wheels 16x8

Wheel, Off-Road-8, 16 x 8 in., Aluminum, Polished, 4.5 in. Backspace, 8 x 165.1mm Bolt Pattern, Each

Part Number: SUM-56-6881P0

Not Yet Reviewed

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SCT Livewire Vision Performance Monitors 5015PWD

Computer Programmer, SCT Livewire Vision Performance Monitor, Hand-held, Each

Part Number: SCL-5015PWD

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

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SCT X4 Power Flash Programmers 7015

4.25 out of 5 stars ( 74 )

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Black Rock Series 997 Type 8 Matte Black Wheels 16x7

Wheel, Series 997 Type 8, 16 in. x 7 in., Steel, Matte Black, 8 x 6.50 in. Bolt Circle, 4.00 in. Backspace, Ea

Part Number: BRW-997678040

5.0 out of 5 stars ( 2 )

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ACDelco Fuel Tank Sending Unit Gaskets 39002198

Fuel Pump O-Ring, Rubber, 5.807 in. O.D., 5.334 in. I.D., 0.236 in. Thick, Each

Part Number: ADO-G41

Not Yet Reviewed

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Fleece Performance Turbo Oil Feed Lines FPE-DTFL-0116

Remote Turbo Oil Feed Line Kit for 6.6L Duramax Turbochargers

Part Number: FLE-FPE-DTFL0116

Not Yet Reviewed

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MechMan Elite Series Billet Alternators B8206370RD

Alternator, E Series, 12 V, 370 amps, Billet Aluminum, Red Anodized, Serpentine, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Each

Part Number: MEH-B8206370RD

5.0 out of 5 stars ( 1 )

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Eddie Motorsports Smooth Billet Coil Covers MS109-02MB

Ignition Coil Covers, Smooth, Billet Aluminum, Matte Black Powdercoated, Chevy, Pontiac, Small Block LS, Pair

Part Number: EMS-MS109-02MB

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Fleece Performance Fuel Injection Wiring Harnesses FPE-HAR-DMAX-FPR

Fuel pressure regulator harness, 6.6L Duramax, Each

Part Number: FLE-S0432

Not Yet Reviewed

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Mevotech TTX Control Arms CTXMS20360

Control Arms, TTX, Stock Style, Steel, Bronze Zinc Coated, Front Upper, Chevy, GMC, Hummer, Each

Part Number: MEV-CTXMS20360

5.0 out of 5 stars ( 1 )

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Cold Case Performance Aluminum Radiators GMT574A

Radiator, Performance, Aluminum, Polished, Crossflow, 2 Row, Transmission Cooler, Chevrolet, GMC, Each

Part Number: RAD-GMT574A

5.0 out of 5 stars ( 3 )

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K&N 57 Series FIPK Cold Air Intake Kits 57-3030-1

Air Intake, 57 Series FIPK, Polyethylene Tube, Black, Cotton Gauze Filter, Oiled, Red, with Clamps, Chevy, GMC, 2500, 3500, 8.1L, Kit

Part Number: KNN-57-3030-1

4.8 out of 5 stars ( 5 )

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Chevrolet Performance Oil Seals 12584922

Oil Seal, Rubber, 20.69mm Inner Diameter, 4.20mm Width, Buick, Chevy, GMC, Hummer, Pontiac, Each

Part Number: NAL-12584922

5.0 out of 5 stars ( 2 )

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ACDelco Replacement Relays 13500114

Relay, Multi Purpose, High Power, General, 8386, Each

Part Number: ADO-13500114

5.0 out of 5 stars ( 1 )

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ACDelco Drive Belt Tensioners 98094201

Accessory Belt Tensioner, Serpentine, 6-rib, Chevy, GMC, Each

Part Number: ADO-98094201

3.0 out of 5 stars ( 2 )

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MaxTrac Suspension Leveling Kits 840713

Leveling Kit, Front, Torsion Key, 1-3 in., Chevrolet, GMC, Kit

Part Number: MXT-840713

Not Yet Reviewed

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Taylor Spiro-Pro Spark Plug Wire Sets 76646

Wire, Spiro-Pro, 8mm, Blue, Coil Pack, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Set of 8

Part Number: TAY-76646

4.75 out of 5 stars ( 4 )

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McGard Wheel Locks 24019

Lug Nuts, Conical Seat, 14mm x 1.50 RH, Open End, Locking, Zinc Plated Steel, Set of 4

Part Number: MCG-24019

4.57 out of 5 stars ( 14 )

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Standard Motor Blue Streak Performance Race Spark Plug Wire Sets 10039

Spark Plug Wires, Blue Streak Performance Race, Assembled, Spiral Core, 9mm, Black, Set

Part Number: SMP-10039

4.5 out of 5 stars ( 8 )

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Taylor Street Thunder Spark Plug Wire Sets 51044

Spark Plug Wires, StreeThunder, Spiro-Wound, 8mm, Black, Straight Boots, Chevy, Small Block, Set

Part Number: TAY-51044

4.47 out of 5 stars ( 15 )

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Pacific Performance Engineering Billet Aluminum Coolant Block-Off Plates 119000820

Billet Aluminum Coolant Block-off Plate

Part Number: PPE-119000820

Not Yet Reviewed

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Superlift Rear Block Kits 3825

Lift Blocks/U-Bolts, Cast Iron, 2 in. Lift, Rear, Chevy, GMC, Pickup, RWD/4WD, Kit

Part Number: SLF-3825

4.25 out of 5 stars ( 4 )

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2004 GMC SIERRA 2500 HD Parts and Accessories