2003 CHEVROLET SILVERADO-2500-HD Parts and Accessories

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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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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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

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

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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

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Tonneau Cover, Soft Roll-Up, Vinyl, Black, Above the Bed Rails, 6 1/2 Ft, Bed, 99-2014, Chevy, GMC,2500-3500, Each

Part Number: SUM-484817

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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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

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

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• 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

Main Bearings, XP-Series, Copper/Lead/Nickel, 0.010 in. Crankshaft Undersize, Chevy, 4.8, 5.3, 5.7, 6.0L, Set

Part Number: KGB-MB5013XP010

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Ignition Coils, MOD Series, Cadillac, Chevy, GMC, Hummer, Set of 8

Part Number: NGK-49473

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Muffler, Big Block 50 Series, Dual 3 in. Inlet/3 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-530513

4.43 out of 5 stars ( 23 )

Estimated Ship Date: Monday 11/10/2025

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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

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Bushings, Body Mounts, Silicone, Black, Chevy, GMC, Standard Cab, Kit

Part Number: SBF-81-2000

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Cold Air Intake, Black Plastic Tube, Red Cotton Filter, Chevy, GMC, Kit

Part Number: SBF-75-5101

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

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Harmonic Balancer, External Balance, Steel, Black, Chevy/GMC, Duramax Diesel, Each

Part Number: FLU-890101

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

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Piston Rings, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41858CP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

Main Bolts, 6-Bolt Main, Inner Bolts, Chevy, 4.8, 5.3, 5.7, 6.0L, Each

Part Number: NAL-12560272

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

Air Intake Heaters, Replacement, Male Screw Terminal, 12 V, Chevrolet, GMC, Duramax, LB7, Each

Part Number: SMP-DIH4

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025