2004 GMC SIERRA 2500 HD - In Stock Filter Options - Vendor In Stock Filter Options Parts & Accessories

Westin Sure-Grip Running Boards 27-6145

Running Boards, Sure-Grip, Aluminum, Black, 93 in. Length, Pair

Part Number: WSA-27-6145

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

aFe Pro Series 14 Bolt GM 9.5 Inch Differential Cover 46-70372

Differential Covers, Pro Series, Aluminum, Black Powdercoated, 14-bolt, GM 9.5 in., Rear, Chevrolet, GMC, Each

Part Number: AFE-46-70372

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Yukon Gear & Axle Bearings AK GM11.5

Axle Bearing, Seal, AAM 11.5 in., 14-Bolt, Each

Part Number: YGA-10056

Not Yet Reviewed

Estimated Ship Date: Today

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CURT Double Lock EZr Gooseneck Hitches 60619

Gooseneck Hitch, Double Lock EZr, Bed Location, Steel, Carbide Powdercoated, Chevy, GMC, Each

Part Number: CHT-60619

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

K&N 57 Series FIPK Cold Air Intake Kits 57-3034

Air Intake, 57 Series FIPK, Polyethylene Tube, Black, Cotton Gauze Filter, Oiled, Red, with Clamps, Chevy, GMC, 2500, 3500, 6.6L, Kit

Part Number: KNN-57-3034

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Westin Platinum Series Universal Bed Side Rails 50-2070

Bed Rails, Platinum Series, Stainless, Polished, 87.5 in Center To Center Length, 91.5 in Overall Length, Pair

Part Number: WSA-50-2070

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

The Right Stuff Brake Line Sets TBS2568S

The Right Stuff Brake Line Sets TBS2568S

Pre-Bent Brake Lines, Stainless Steel, Chevy, GMC, Front/Rear, Kit

Part Number: RSD-TBS2568S

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Dee Zee Hex Series Side Step Bars DZ66301B

Step Bars, Aluminum, Black Powdercoated, Regular Cab, Pair

Part Number: DZZ-DZ66301B

Not Yet Reviewed

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

aFe Street Series 14 Bolt GM 9.5 Inch Differential Cover 46-70370

Differential Covers, Street Series, Aluminum, Natural, 14-bolt, GM 9.5 in., Rear, Chevrolet, GMC, Each

Part Number: AFE-46-70370

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

BD Diesel Exhaust Pipes, Turbo Up Pipes 1043803

Up-Pipe, Passenger Side - Chevy 2001-2004 LB76.6L Duramax

Part Number: BDD-1043803

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

PowerStop Z36 Truck and Tow Brake Upgrade Kits K5190-36

Brake Rotors/Pads, Iron, Drilled, Zinc Plated, Carbon Ceramic Pads, Rear, Chevy, GMC, Kit

Part Number: PWR-K5190-36

Not Yet Reviewed

Estimated Ship Date: Today

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AirBedz Original Truck Bed Air Mattresses PPI-102

Air Mattresses, Original Truck Bed, Queen, Polyester, Blue, Internal Pump, 63.50 W x 76.00 L x 12.00 in. T, for 6.00/6.50 ft. Beds, Truck, Each

Part Number: ABZ-PPI-102

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

T-Rex Billet Grilles 20200

Grille, Main Grille Position, Horizontal Bar Style, Billet Aluminum, Polished, GMC, Each

Part Number: TBG-20200

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

Dorman Driveshafts 946-067

Driveshafts, Rear, Steel, Balanced, Assembled, 3.500 in. Diameter, 63.250 in. Length, Chevy, GMC, Each

Part Number: RNB-946-067

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Dee Zee Stainless Steel Round Side Step Bars DZ 372533

Nerf Bars and Step Bars, Stainless Steel Round Side Step Bars, Polished, 3.00 in. Diameter, Chevy, GMC, Pair

Part Number: DZZ-DZ372533

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

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Step Bars SUM-710101-SS

4.75 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Dorman Remanufactured Body Control Modules 502-007

Body Control Module, Stock, Chevrolet, GMC, Hummer, Each

Part Number: RNB-502-007

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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BD Diesel Tie Rod Upgrade Kits 1032125

Tie Rod Ends, Tie Rod Upgrade Kits, Straight, Male, Greasable, Outer Tie Rods with Shaft and Rack Ball Joints, Front Outer, Chevrolet, GMC, Kit

Part Number: BDD-1032125

Not Yet Reviewed

Estimated Ship Date: Today

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Motive Gear Master Ring and Pinion Installation Kits R9.2RIFSLMKT

Ring and Pinion Installation Kit, Master Kit, GM 9.25 in., IFS, Kit

Part Number: MGR-R9-2RIFSLMKT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Walker Quiet-Flow Steel 3 Inch Muffler 22307

Mufflers-Quiet-Flow

Part Number: WLK-22307

Not Yet Reviewed

Estimated Ship Date: Today

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Dorman Ring and Pinion Sets 697-182 GM 10.5 in. (14-bolt) 3.21 Gears

Gear, Ring and Pinion, 3.21:1 Ratio, GM 10.5 in. (14-Bolt), Set

Part Number: RNB-697-182

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Belltech Nitro Drop 2 Shock Kits 9165

Shocks, Shock Kit, Nitro Drop 2, Chevy, GMC, Set of 4 ;

Part Number: BEL-9165

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

AutoMeter Factory Match Analog Gauges 8360

Gauge, Factory Match, Analog, Fuel Pressure, 0-30 psi, 2 1/16 in., Black Face, Each

Part Number: ATM-8360

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

WeatherTech Roll-Up Truck Bed Covers 8RC2196

Tonneau Cover, Roll-Up Truck Bed Covers, Soft Style, Vinyl, Black, Does Not Fit with Composite Bed, Chevrolet, GMC, 6.5 ft. Truck Bed Length, Each

Part Number: MNA-8RC2196

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM14T-513T GM 10.5 in. (14-bolt) 5.13 Gears

Ring & Pinion Gear, 5.13 Ratio, GM, 10.5 in., 14-Bolt, Set

Part Number: YGA-24139

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Dee Zee Truck Cab Running Boards DZ 16123

Step Bars, Oval, Stainless Steel, Polished, 6 in. Width, 86.0 in. Length, Pair

Part Number: DZZ-DZ16123

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 31, 2026 if ordered today

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Estimated Ship Date: Mar 31, 2026 if ordered today

2004 GMC SIERRA 2500 HD Parts and Accessories