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

Cloyes Oil Pump Drive Gears 9-228

Oil Pump Replacement Part, Stock Replacement Oil Pump Drive Gear, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: CLO-9-228

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Summit Racing™ Spark Plug Boot Heat Shields SUM-889505

Heat Protection, Spark Plug Boot Heat Shields, Heat Resistant Polyimide Film Insert, Straight, Aluminum, Silver, 2 3/8 in. Long, LS/LT, Set of 8

Part Number: SUM-889505

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Haltech Nexus Rebel LS Throttle Adapter Harnesses HT-186505

Harness Adapter, Nexus Rebel LS, DBW, 6-Pin, Chevrolet, LS, Each

Part Number: HTH-HT-186505

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Standard Motor Knock Sensors KS116

Knock Sensor, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Each

Part Number: SMP-KS116

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

ACDelco Radio Speakers 19116641

Radio Speaker, Front Side Door, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-19116641

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Caspers Electronics TPS Breakout Adapters 108103FIT

Caspers Electronics TPS Breakout Adapters 108103FIT

Breakout Adapter, FiTech to Late GM Adapter, Each

Part Number: CEI-108103FIT

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

SPC Performance GM Alignment Pins 86325

Alignment Pins, Front, GM, Pickup, SUV, Set of 8

Part Number: SPS-86325

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Summit Racing™ OEM Replacement Taillights for 2003 SILVERADO 1500, SILVERADO 2500, SILVERADO 2500 HD - SUM-GM277-B000L

Tail Light Assembly LH 2003 Silverado Fleetside Except 3500 Model, Each GM2800161

Part Number: SUM-GM277-B000L

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Rough Country Spline-Drive Lug Nuts 141524CH

Lug Nuts, Conical Seat, 14mm x 1.50 RH, Spline Drive, Chrome Plated, Steel, Chevy, Dodge, Ford, GMC, Jeep, for Nissan, Ram, Toyota, Set of 24

Part Number: ROU-141524CH

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Rough Country Spline-Drive Lug Nuts 141532CH

Lug Nuts, Conical Seat, 14mm x 1.50 RH, Spline Drive, Chrome Plated, Steel, Chevy, Dodge, Ford, GMC, Jeep, Nissan, Ram, Toyota, Set of 32

Part Number: ROU-141532CH

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

Mevotech Supreme Ball Joints MK6693

Ball Joint, Front Lower, Buick, Chevy, GMC, Hummer, Each

Part Number: MEV-MK6693

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Mevotech TTX Stabilizer Bar Links TXK80631

Sway Bar End Link, TTX, Front, Chevrolet, GMC, Rubber Bushings, Green, Each

Part Number: MEV-TXK80631

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Summit Racing™ OEM Replacement Taillights for 2003 SILVERADO 1500, SILVERADO 2500, SILVERADO 2500 HD - SUM-GM277-B000R

Tail Light Assembly RH 2003 Silverado Fleetside Except 3500 Model, Each GM2801161

Part Number: SUM-GM277-B000R

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Fel-Pro Head Gaskets 26168 PT

Head Gasket, PermaTorque, 4.330 in. Gasket Bore, Chevy, GMC, 8.1L, Left Side Cylinder Head, Each

Part Number: FEL-26168PT

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

COMP Cams Engine Plug Kits 251

Engine Expansion Plugs, Cadillac, Chevy, Small Block LS, Kit

Part Number: CCA-251

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Standard Motor Oil Pressure Warning Light Sending Units PS308T

Warning Light Sending Unit, Oil Pressure, 3-pin, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: SMP-PS308T

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Dorman Door Hinge Repair Components 38456

Door Hinge Pin and Bushing, Cadillac, Chevy, GMC, Front, Kit

Part Number: RNB-38456

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

ACDelco Fuel Rail O-Ring Kits 17113552

Fuel Rail O-Rings, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Saab, Set of 3

Part Number: ADO-17113552

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

ACDelco GM Genuine Parts Automatic Transmission Servo Pistons 24223081

Automatic Transmission Servo Piston, 4L80, 4L85, Chevrolet, GMC, Kit

Part Number: ADO-24223081

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

ACDelco Automatic Transmission Oil Cooler End Fittings 19125677

Transmission Line Adapter Fittings, 1/4 in. NPS Male Threads to 3/8 in. Quick-connect Female Threads, Steel, Natural, GM, Hummer, Each

Part Number: ADO-19125677

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

ACDelco V-Ribbed Serpentine Belts 88932793

Accessory Belt, V-Ribbed, Serpentine, 6-Ribs, 96.08 in. Length, 0.807 in. Width, Cadillac, Chevy, Ford, GMC, Oldsmobile, Saab, Volvo, Each

Part Number: ADO-6K956

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

ACDelco Silver Suspension Stabilizer Bar Link Kits 10385580

Sway Bar End Links, Silver, 8.800 in. Length, 4.733 in. Sleeve Length, Front, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-10385580

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Continental Molded Radiator Hoses 62634

MOLDED RADIATOR HOSE (SAE 20R4)

Part Number: CEL-62634

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Timken Driveshaft Center Support Bearings HB88107A

Bearing, Driveshaft Support, Checker, Chevy, GMC, Dodge, International, Isuzu, Oldsmobile, Plymouth, Each

Part Number: TMK-HB88107A

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

ACDelco Transmission Solenoids 24230288

Automatic Transmission Control Solenoid, Chevrolet, GMC, Each

Part Number: ADO-24230288

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

2003 CHEVROLET SILVERADO 2500 HD Parts and Accessories