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

Yukon Gear & Axle 14 Bolt Chrysler/GM 11.5 Inch Differential Cover YP C5-C11.5

Differential Cover, 14-bolt, Aluminum, Natural, Chrysler 11.5 in., GM 11.5 in., Each

Part Number: YGA-32346

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

EBC USR Series Sport Rotors USR7216

Brake Rotors, Sport Series, Slotted, Iron, Silver Anti-Corrosion Finish, Rear, Chevy, GMC, Pair

Part Number: EBC-USR7216

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters 645455

AP Exhaust Direct-Fit Catalytic Converters 645455

Catalytic Converters, Direct-Fit, Stock Flange Inlet, 3.00 in. Slip Fit Outlet, 57.00 in. Overall Length, Left, Chevrolet, GMC, Each

Part Number: APH-645455

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM9.25-342R GM 9.25 in. IFS 3.42 Gears

USA Standard Ring & Pinion gear set for GM 9.25" IFS Reverse rotation in a 3.42 ratio

Part Number: SPZ-36286

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

Yukon Gear & Axle Ring and Pinion Sets YG GM9.25-342R GM 9.25 in. IFS 3.42 Gears

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Reverse Ring Gear Rotation, GM 9.25 in. IFS, Set

Part Number: YGA-24496

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Delphi Fuel Injectors EX631045

Fuel Injector, Remanufactured, Chevrolet, GMC, 6.6L, LB7, Each

Part Number: DFP-EX631045

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Bosch Fuel Injectors 986435502

Not Yet Reviewed

Estimated Ship Date: Today

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Delphi Fuel Injectors EX631046

Fuel Injector, Remanufactured, Chevrolet, GMC, 6.6L, LLY, Each

Part Number: DFP-EX631046

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Yukon Gear & Axle 1541H Alloy Axles YA G12471486

Axle Shaft, 30-Spline, 35.940 in. Length, Rear, GM, Each

Part Number: YGA-21561

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters 645454

Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.85 in. Slip Fit Outlet, 30.50 in. Overall Length, Right, Chevrolet, GMC, Each

Part Number: APH-645454

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

CURT Class 3 Receiver Hitch 13211

Trailer Hitch, Class III, 2 in. Receiver, Black, Round Tube, Chevy/GMC, Each

Part Number: CHT-13211

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Delphi Fuel Tank Sending Units FG0166

Fuel Tank Sending Unit, Chevy, GMC, 6.6L Diesel, Each

Part Number: DFP-FG0166

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Delphi Fuel Pump Module Assemblies FG0340

Fuel Pump, Electric, In-Tank, Kit

Part Number: DFP-FG0340

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Sachs Stock Replacement Pressure Plates SC70333

CLUTCH PRESSURE PLATE XTEND

Part Number: SXR-SC70333

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Zoom MU Series Clutches MU72392-1

Clutch, MU Series, 1.375 in. - 10-spline, Organic Disc, Pressure Plate, Slave Cylinder, Chevy, GMC, 8.1L, Kit

Part Number: ZZZ-MU72392-1

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

EBC USR Series Sport Rotors for 2003-2005 SIERRA 1500 HD, SILVERADO 1500 HD, 2004 SIERRA 2500 HD - USR7374

Brake Rotors, Sport, Slotted, Iron, Silver Anti-Corrosion Finish, Rear, GMC, 1500HD, 2500HD, Pair

Part Number: EBC-USR7374

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Zoom MU Series Clutches MU1997-1A

Clutch Kit, MU-Series, Organic, 1.125 in. Diameter Shaft, 10-Spline, 11.687 in. Diameter Disc, Chevy/GMC, 6.0L

Part Number: ZZZ-MU1997-1A

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Catco Federal/EPA Direct-Fit Catalytic Converters 9222

Converter - Direct Fit

Part Number: CTO-9222

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Dana Spicer Drivetrain Products Differential Carrier Bearings 10038964

STANDARD AXLE DIFFERENTIAL BEARING AND SEAL KIT

Part Number: SDH-10038964

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

Westin Molded Step Boards 27-0020

Step Boards, Molded, Polymer, Black, 93 in. Length, Chevy, GMC, Ford, Isuzu, Toyota, Pair

Part Number: WSA-27-0020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Westin Sure-Grip Running Boards 27-6100

Running Boards, Sure-Grip, Aluminum, Brushed, 54 in. Length, Chevy, GMC, Dodge, Pair

Part Number: WSA-27-6100

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Westin Sure-Grip Running Boards 27-6140

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

Part Number: WSA-27-6140

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Westin Oval Tube Step Bars 22-5045

Step Bars, Nerf Bars, Oval Tube, Steel, Black Powdercoated, Chevy, GMC, Ford, Toyota, Pair

Part Number: WSA-22-5045

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Westin Premier Series Step Bars 22-6025

Step Bars, Nerf Bars, Premier Series, Steel, Black Powdercoated, Requires Separate Mounting Kit, Pair

Part Number: WSA-22-6025

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Catco Direct-Fit Catalytic Converters 9223

Catalytic Converter, Direct Fit, Stainless Case, for Trucks with 153 in Wheelbase Only, Chevy, GMC, 6.0L, 8.1L

Part Number: CTO-9223

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Covercraft Carhartt SeatSaver Seat Covers SSC3351CAMB

Seat Cover Carhartt SeatSaver Front Row - Mossy Oak Break-Up Country

Part Number: CVC-SSC3351CAMB

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

2004 GMC SIERRA 2500 HD Parts and Accessories