2003 CHEVROLET SILVERADO 1500 HD Parts and Accessories

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-456A

4.46 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Spark Plug Wires, Extreme 9000 Ceramic, Spiral Core, 8mm, Black, White Ceramic 180 Degree Boots, GM, 4.8, 5.3, 6.0L, Set

Part Number: ACC-9059C

3.95 out of 5 stars ( 20 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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GM TORQUE CONVERTER, 4L80E, 4L85E, LS MOTOR, 3800 STALL

Part Number: FTI-SRLS46391

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Headers, Long Tube, Stainless Steel, Natural, 1.75 in. Tube, 3.00 in. Collector, Chevy, Small Block, Pair

Part Number: KOK-28502200

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Lug Nuts, Conical, Standard and Locking, Stainless, Black Chrome, 14mm x 1.50 RH Thread, Set of 24

Part Number: MCG-84640

5.0 out of 5 stars ( 21 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Alternator, 240 amps, 12 V, Internal Regulator, Serpentine, Buick, Chevy, Oldsmobile, Each

Part Number: MEH-8206240

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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

Part Number: DFP-SS11368

2.2 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• $15 Summit Bucks

Flywheel Cast Iron 168 tooth GM Truck LS Gen III, 6 Bolt

Part Number: SXR-NFW1050

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Computer Programmer, GT Gas Tuner, Each

Part Number: BLY-40410

4.03 out of 5 stars ( 30 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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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: Monday 4/13/2026 if shipped by air

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Spark Plug Wires, Max-Fire Ultra-Spark 50, Spiral Core, 50 ohms, 8.5mm, Red, Buick, Cadillac, Chevy, GMC, Hummer, Saab, Trucks, Small Block LS, Set

Part Number: EDL-22716

4.97 out of 5 stars ( 34 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Oil Pump, Standard Volume, Chevrolet, 4.8/5.3/5.7/6.0/6.2L, Each

Part Number: NAL-12710303

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Crankshaft Position Sensor, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: DFP-SS10206

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• $15 Summit Bucks

Wheel, 84 D Window, Steel, Gloss Black, 16 x 7 in., 4 in. Backspace, Each

Part Number: VSW-84H6781NS

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Battery, Red Top, Starting, 800 Cold Cranking Amps, Top and Side Post, BCI Group 12V, Hold Down and Cable Included, Kit

Part Number: CMB-06-0122

Not Yet Reviewed

Cannot be shipped Internationally if shipped by air

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Cam Bearings, Performance, Bi-metal, Fluoropolymer Lead-Based Micro Babbitt, Chevy LS, 3rd Design, Set of 5

Part Number: KGB-CS5171HPT

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Coolant Crossover Components, LS Steam Vent Adapters, -4 AN, One Single Outlet Adapter, One Dual Outlet Adapter, Aluminum, Black Anodized, Chevy, Set

Part Number: EAR-LS9806ERL

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Clutch Kits, Twin Disc, 246mm, Cerametallic, Chromoly Flywheel, Chevrolet LS 6-bolt, 1250 lb.ft.Torque Capacity, Tremec T56 , TKO, Kit

Part Number: TIL-55-2004

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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

Part Number: SBF-75-5157D

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Camshaft Thrust Plate, Solid Type, Cast Iron, Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Each

Part Number: MEL-MF127

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Exhaust Gaskets, Exhaust Manifold, Multi-layer Steel, GM Truck, LS, Includes EGR and Air Injection Gaskets, Set

Part Number: MAH-MS16124

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Air Intake Kit, Cold Air Intake System, Aluminum Tube, Polished, Black Filter, Cadillac, Chevy, GMC, Kit

Part Number: SPE-9900K

4.53 out of 5 stars ( 36 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Muffler U-Clamp, Exhaust Clamp, Heavy Duty, 2.5 in. Steel, Each

Part Number: WLK-35337

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Engine Timing Cover, 1-Piece, Aluminum, Natural, Buick, Cadillac, Chevrolet, GMC, LS V8, Each

Part Number: RNB-635-522

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Timing Chain and Gears, Single Roller, Steel Sprockets, Chevy, 5.7L LS, 6.0L LS, Kit

Part Number: CLO-9-3658TX3

4.46 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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