2003 CHEVROLET SILVERADO-2500-HD Parts and Accessories

Fuel Injector Spacers, 1.050 in. Thickness, Billet Aluminum, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Small Block LS, Set of 8

Part Number: ICB-551348

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

Brake Fluid, RL-600 BRAKE FL, 16.9 oz. DOT 4, Each

Part Number: RED-90404

5.0 out of 5 stars ( 5 )

Cannot be shipped Internationally

• Restricted
• Ground

Camshaft Position Sensor, Buick, Cadillac, Chevrolet, GMC, Pontiac, Each

Part Number: DFP-SS11368

2.33 out of 5 stars ( 9 )

Estimated Ship Date: Today

Rocker Arms, GM Genuine Parts, Roller Fulcrum, Pedestal, 1.7 Ratio, Steel, Exhaust Side, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saab, Each

Part Number: ADO-12681275

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Engine Oil, Delvac Extreme, Synthetic, 15W40, 1 Gallon, Each

Part Number: MOB-122448-1

5.0 out of 5 stars ( 5 )

Cannot be shipped Internationally

• Restricted
• Mfr. Rebate

Rebate Expires: 11/30/2025

This Mobil 1 product qualifies for a rebate! Go to https://promotion.mobil.com/offers/delvacrebate/ ...Read More

Get up to $100 back after rebates on qualifying Mobil 1 Delvac products! $10 back on 1-gallon/2.5-gallon, $40 back on a 5-gallon pail of Delvac 1 ESP or Extreme Oil. $5 back on 1-gallon/2.5-gallon, $20 back on a 5-gallon pail of Delvac 1300 Oil. Limit $100 maximum rebate per household. Go to https://promotion.mobil.com/offers/delvacrebate/ to redeem. Valid on purchases made between 9/1/25 and 11/30/25. Rebate requests must be received by 12/14/2025. Valid in 50 U.S. states and D.C. only. Purchased together on (1) receipt or separately and combined in (1) envelope. Show Less

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Thermostat, 160 Degree, High-Flow, Copper/Brass, Chevy, LS, Each

Part Number: MRG-6367

4.19 out of 5 stars ( 16 )

Estimated Ship Date: Today

Gear Lube, Gear 300 LS Oil, Synthetic, 75W90, 1 Liter, Each

Part Number: MTL-105778

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

• Restricted

Air Springs, Rear, Chevy, GMC, Pickup, Kit

Part Number: AIR-57275

4.89 out of 5 stars ( 19 )

Estimated Ship Date: Today

• Free Shipping

Transmission Oil Cooler, Plate, Natural, 11 in. x 7.5 in. x 0.75 in., 3/8 in. Inlet, Outlet, Each

Part Number: HDA-677

4.59 out of 5 stars ( 22 )

Estimated Ship Date: Today

Shocks and Struts, 2.0 Performance Series IFP Smooth Body Shocks, Stock/Lifted Ride Height, Eyelet Mounts, Rear, Chevrolet, GMC, Hummer, Each

Part Number: FRS-980-24-664

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

Main Bearings, AL Series, Standard Size, LS, Set of 5

Part Number: CLE-MS2199A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Alternators and Generators, Elite Series Alternators, 12 V, 250 amps, Internal Regulator, Serpentine Pulley, Buick, Chevy, GMC, Hummer, Olds, Each

Part Number: MEH-8206250

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Head Gasket, Multi-Layer Steel, 4.100 in. Bore, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: MAH-54445

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Steering Shaft, Direct Replacement, Steel Alloy, Chevy/GMC, C/K Pickup, Each

Part Number: BRG-000937

4.95 out of 5 stars ( 21 )

Estimated Ship Date: Today

• Free Shipping

Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Chevy, Pickup, 6.0L, Pair

Part Number: JBA-1850S-3JS

4.79 out of 5 stars ( 14 )

Estimated Ship Date: Today

• Free Shipping

Camshaft Thrust Plates, GM Genuine Parts, Solid Type, Steel, Chevrolet, Each

Part Number: ADO-12589016

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Injector Dynamics ID1050X Injectors 14mm (Gray) Adapter Top (Set of 8) Orange Lower O-Ring

Part Number: IJD-10504814158

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Water Pump, Mechanical, Standard-volume, Clockwise Rotation, Aluminum, Natural, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: ADO-252-994

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping
• $20.00 Summit Bucks

Exhaust Manifold Hardware, Hex Flange, 10.9 Steel, Zinc Plated, Chevrolet, LS, Set of 12

Part Number: SUM-910228

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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

Part Number: PPE-116120000

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Cold Air Intake, Black Plastic Tube, White Paper Filter, Cadillac, Chevrolet, GMC, Kit

Part Number: SBF-75-5157D

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Shock, Twin-Tube, Rear, 7-8 in. Lift, Chevy, GMC, Dodge, Each

Part Number: MMC-2950

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Ignition Coil, Street Fire, Coil Pack, Black, Buick, Chevy, GMC, Set of 8

Part Number: MSD-55098

4.76 out of 5 stars ( 17 )

Estimated Ship Date: Today

• Free Shipping

Timing Chain Dampener Brackets, Steel, Black, Chain Damper, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Small Block LS, Kit

Part Number: MEL-BD417-DBRKT

3.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

Exhaust System, Armor Plus Series, Downpipe Back, Single, Stainless Steel, Natural, Side Exit, Chevrolet, GMC, Kit

Part Number: MBR-S60210SLM

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping