2003 CHEVROLET SILVERADO-2500-HD Parts and Accessories

Idler Pulleys, GM OE, Serpentine, Steel, Black, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-12669569

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Rod Bearings, Race Series, CT-1 Coated, Tri-Metal, .001 in., .025mm Extra Clearance, Chevrolet, Small Block, LS, Set of 8

Part Number: PEB-8B663HXC-STD

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Alternator, Delco Remy, 12/14/16 V, 105 amps, Internal Regulator, Serpentine Pulley, Cadillac, Chevy, GMC

Part Number: ADO-335-1086

4.32 out of 5 stars ( 19 )

Estimated Ship Date: Monday 11/10/2025

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• $20.00 Summit Bucks

Pedal Pads, Gas/Brake/Emergency Brake Pedal Position, Billet Aluminum, Polished, Automatic, Chevy, Set of 3

Part Number: BSP-198622

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/10/2025

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Headers, Cat4ward, Stainless Steel, Silver Ceramic Coating, Chevy, GMC, Pickup, 8.1L, Pair

Part Number: JBA-1860SJS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Drive Belt Tensioner Assembly

Part Number: ADO-38158

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Muffler, Ultra Flo Welded, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each

Part Number: WLK-17537

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

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• $20.00 Summit Bucks

Head Gaskets, 4.060 in. Bore, .051 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5751-051

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

Oil Pump Driveshaft, Steel Sleeve, Chevy, Big Block, Each

Part Number: MEL-IS-77

4.79 out of 5 stars ( 24 )

Estimated Ship Date: Monday 11/10/2025

Spark Plug Wire Sets, Assembled, Solid Core, Black Boots, Red Wires, 8.00mm Diameter, Cadillac, Chevrolet, GMC, Hummer, Pontiac, V8, Set

Part Number: GRN-28-1629-HTR

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

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Cylinder Head Fasteners, Original Head Bolt Kits, Hex, Steel, Natural, Flat Washers, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Kit

Part Number: MAH-GS33380

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/10/2025

Fuel Air Separator, AirDog II-5G Fuel Air Separation System, Fuel Pump, 165 gph, Fuel Pressure Regulator, Chevrolet, 6.6L Diesel, Kit

Part Number: PAD-A7SABC509

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Spark Plug, Conventional Resistor, Nickel Alloy Tip, Copper Core, Tapered Seat, 14mm Thread, One Ground Strap, Each

Part Number: ADO-MR43LTS

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Alternators and Generators, Elite Series Cast Alternators, 12 V, 400 amps, Serpentine, Buick, Cadillac, Chevrolet, GMC, Hummer, Olds, Pontiac, Each

Part Number: MEH-8206400

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Ball Joint, Upper, Chevy, GMC/Hummer, Each

Part Number: MOG-K6696

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/10/2025

• $25.00 Summit Bucks

Head Gasket, MLX, 4.040 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5505-040

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

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Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: DNP-234-4669

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

Transmission Pan, Ram-Air, Deep, Aluminum, Black, Finned, Allison 1000 Transmission, Chevy, GMC, Each

Part Number: GBE-35146-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Starter, High Torque, 3 HP, 3-Position Block Mount, 3.75:1 Gear Reduction, Black/Natural Finish, Chevrolet, LS, Each

Part Number: AAF-ALL80516

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Main Bearings, HP Series, 1/2 Groove, Standard Size, Bi Metal, Chevrolet, 5.7L, Set of 5

Part Number: KGB-MB5013HPSTDX

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Water Neck, O-ring Sealing Style, Aluminum, Natural, 186 degree Thermostat, Buick, Cadillac, Chevy, GMC, Each

Part Number: ADO-15-11057

4.44 out of 5 stars ( 18 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Disc Brake Kit, TC6R Big Brakes, Rear, Slotted/Drilled Rotor, 6-Piston Caliper, Red, GM, Kit

Part Number: WIL-140-9405-DR

Not Yet Reviewed

Estimated Ship Date: Nov 18, 2025 if ordered today

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• Special Order

Cylinder Head, Assembled, Cast Iron, OEM, Chevrolet, Duramax Diesel, V8, LB7, Each

Part Number: PPE-110100101

Not Yet Reviewed

Estimated Ship Date: Nov 18, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Head Gasket, MLS, Multi-layer Steel, 4.000 in. Bore, 0.045 in. Compressed Thickness, Cadillac, Chevrolet, Pontiac, LS, Each

Part Number: CGT-C5477-045

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Starter, Ultra Duty Diesel, Full Size, Chevy, GMC, Hummer, 6.6L Diesel, Each

Part Number: PWM-9057

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping