2003 CHEVROLET SILVERADO 2500 HD - In Stock Filter Options - Vendor In Stock Filter Options Parts & Accessories

Earl's Performance Adjustable Coolant Crossover Tubes LS0035ERL

Water Pump Crossover, Billet Aluminum, -12 AN Female Inlets, -16 AN Male Outlet, Black Anodized, Adjustable, Each

Part Number: EAR-LS0035ERL

5.0 out of 5 stars ( 1 )

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ACDelco Gold Automatic Transmission Fluid Filters 29539579

Automatic Transmission Filter, Chevy, GMC, Hummer, Allison 1000, Each

Part Number: ADO-TF950

4.0 out of 5 stars ( 2 )

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Pacific Performance Engineering Replacement High-Flow Up Pipes 116119050

Exhaust Pipes, Turbo Up Pipe, Passenger Side, Stainless Steel, Natural, 2.00 in. Diameter, Chevy, GMC, 6.6L Diesel, Kit

Part Number: PPE-116119050

Not Yet Reviewed

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Melling Timing Chain Dampeners BD417

Timing Chain Dampeners, Nylon, Direct Replacement, Chevrolet, 5.3/5.7/6.0/7.0L, LS, Each

Part Number: MEL-BD417

5.0 out of 5 stars ( 1 )

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10w30 Mobil 1 Synthetic Motor Oil 122319

Engine Oil, Mobil 1, Synthetic, 10W30, 1 qt., Each

Part Number: MOB-122319-1

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

Dayco No Slack Idler Pulleys 89006

Dayco No Slack Idler Pulleys 89006

Idler Pulley, 90mm Diameter, 30mm Thick, Serpentine, Flat/No Grooves for 6-Rib Width Belts, 17mm Bearing Inside Diameter, Steel, Black, Each

Part Number: DAC-89006

5.0 out of 5 stars ( 7 )

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Westin Oval Tube Step Bars 22-5020

Step Bars, Nerf Bars, Oval Tube, Stainless Steel, Polished, Chevy, GMC, Dodge, Ford, for Nissan, Toyota, Pair

Part Number: WSA-22-5020

5.0 out of 5 stars ( 4 )

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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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Fleece Performance PowerFlo CP3 Fuel Pump Kits FPE-DMAX-CP3-10MM

Fuel Pump, PowerFlo CP3, Mechanical, Injection Style, Chevy, GMC, 6.6L Diesel, Kit

Part Number: FLE-S0048

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Cometic MLS Head Gaskets C5489-027

Head Gasket, MLS, 4.100 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-027

Not Yet Reviewed

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McGaughy's Lowering Spindles 33078

Drop Spindles, 2 in. Drop, Chevy, GMC, Pair

Part Number: MMC-33078

5.0 out of 5 stars ( 1 )

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ACDelco Fuel Pressure Regulator Vacuum Lines 17113556

Vacuum Line, Fuel Pressure Regulator Position, Rubber, Black, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Each

Part Number: ADO-17113556

5.0 out of 5 stars ( 4 )

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Clevite Camshaft Bearings SH-2160S

Chevrolet V8, 4.8L-5.3L-6.0L, 1997-2003, 1st Design, Set

Part Number: CLE-SH2160S

5.0 out of 5 stars ( 2 )

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Taylor ThunderVolt 8.2mm Spark Plug Wire Sets 84244

Spark Plug Wires, ThunderVolt, Spiro-Wound, 8.2mm, Red, 180 Degree Boots, Cadillac/Chevy, Pontiac, LS, Set

Part Number: TAY-84244

4.72 out of 5 stars ( 18 )

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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: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Holley LS Valley Covers 241-260

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

Part Number: HLY-241-260

Not Yet Reviewed

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Belltech Rear Shackle Kits 6404

Rear Shackle Kit, 1/2 in. Raised Ride Height, 2.5 in. Spring Width, Chevy, GMC/Ford/Dodge, Pair

Part Number: BEL-6404

4.38 out of 5 stars ( 13 )

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Summit Racing™ Direct-Fit Restoration Driver Side Seat Bottom Foam for 2003-2006 Silverado, Tahoe, Suburban, Sierra, Yukon, Escalade SUM-RP20046-LH

Seat Foam , Replacement 03-06 Chevy / GMC Suv/Truck , Bucket Seat , Lower Seat Bun , LH Side, Each

Part Number: SUM-RP20046-LH

Not Yet Reviewed

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Timken Pinion Bearing Races M802011

Bearing Race, Pinion, 3.250 in. Diameter, Each

Part Number: TMK-M802011

5.0 out of 5 stars ( 6 )

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Denso Air Conditioning Compressors 471-0315

Air Conditioning Compressors, Aluminum, Natural, Pulley, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: DNP-471-0315

5.0 out of 5 stars ( 1 )

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ACDelco GM Genuine Parts Hydraulic Roller Lifters 12721203

Lifter, Hydraulic Roller, Chevy, GMC, Each

Part Number: ADO-12721203

Not Yet Reviewed

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Cometic MLS Head Gaskets C5751-027

Head Gasket, MLS, 4.060 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-027

Not Yet Reviewed

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Rancho RS5000X Shock Absorbers RS55297

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

Part Number: RAN-RS55297

4.18 out of 5 stars ( 11 )

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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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Spicer Drivetrain Products U-Joint Strap Kits 2-70-48X

U-Joint Fasteners, Straps, S44/GM 3RL Style, Steel, 1.125 in. Bearing Cap O.D., Buick, Cadillac, Chevy, Kit

Part Number: SDH-2-70-48X

4.75 out of 5 stars ( 4 )

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2003 CHEVROLET SILVERADO 2500 HD Parts and Accessories