2003 CHEVROLET SILVERADO 1500 Parts & Accessories

Superchips Flashpaq Tuners 2845

Computer Programmer, DTC Reader, Flashpaq, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saturn, Each

Part Number: SRC-2845

4.14 out of 5 stars ( 28 )

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Chevrolet Performance Oil Pumps 12710303

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 )

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Belltech Rear Shackle Kits 6400

Shackles, 2 in. Drop, 2.5 in. Wide Spring, Chevy, Dodge, Ford, GMC, Rear, Pair

Part Number: BEL-6400

4.84 out of 5 stars ( 90 )

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Scott Performance High Performance Spark Plug Wire Sets CH-LS-T-1

Scott Performance High Performance Spark Plug Wire Sets CH-LS-T-1

Spark Plug Wire Set, High Performance, 10mm Diameter, Coil Pack, Silicone Boot, Black, Spiral Core, 30 ohms/ft., Black Wire, Chevy, Small Block, Set

Part Number: SCW-CH-LS-T-1

5.0 out of 5 stars ( 6 )

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Summit Racing™ LS Valve Cover Gasket Kits SUM-G2603

Valve Cover Gasket, Chevy, LS, Pair

Part Number: SUM-G2603

5.0 out of 5 stars ( 1 )

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Wilwood AERO6 Big Brake Front Brake Kits 140-9789-DR

Disc Brakes, W6A, Slotted/Drilled Rotors, 6-Piston Red Calipers, Chevy, GMC, Kit

Part Number: WIL-140-9789-DR

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Wilwood AERO6 Big Brake Front Brake Kits 140-9789-D

5 out of 5 stars ( 3 )

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Sachs Stock Replacement 168-Tooth Flywheel NFW1050

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

Part Number: SXR-NFW1050

5.0 out of 5 stars ( 1 )

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King HP-Series Main Bearings MB5013HP

Main Bearings, 1/2 Groove, Standard Size, Bi-metal, Silicon Aluminum, Chevy, Small Block, LS, Set of 5

Part Number: KGB-MB5013HP

4.75 out of 5 stars ( 4 )

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Ridetech Ridepro E5 Air Ride Suspension Control Dual Compressor Systems 30534100

Suspension Control System, RidePro E5, 5-Gallon Tank, Dual Compressor, 1/4 in. Valve, Digital 4-Corner Readout, 12 V, Kit

Part Number: ART-30534100

Not Yet Reviewed

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Belltech Nitro Drop 2 Shocks 8000

Shock, Nitro Drop 2, Twin Tube, Front, Chevy, GMC, RWD, Each

Part Number: BEL-8000

4.49 out of 5 stars ( 69 )

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TCI Governor Covers 316861

Automatic Transmission Governor Cover, Stainless Steel, Natural, 700R4, TH350, Each

Part Number: TCI-316861

4.85 out of 5 stars ( 33 )

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Hays Twister 3/4 Race 2,400-2,800 Stall Torque Converter 97-1H24Q

Torque Converters, Twister 3/4 Race, 9.600 in. Dia., with Lockup, 30-Spline, 11.125 in. bolt pattern, 2,400-2,800 rpm Stall, 4L60-E, 4L65-E, Each

Part Number: HAY-97-1H24Q

Not Yet Reviewed

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Cloyes Race Billet True Roller Timing Sets 9-3658TX3

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 )

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Summit Racing™ Chevy LS High-Output D585 Ignition Coils for Truck/SUV SUM-850501B

Ignition Coils, Coil Pack, D585 Style, Epoxy, Round, Black, LS, V8, Chevy, Cadillac, GMC, Buick, Hummer, Isuzu, Set of 8

Part Number: SUM-850501B

4.75 out of 5 stars ( 4 )

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ACDelco GM Genuine Parts Harmonic Balancer Fastener Bolts 12557840

Harmonic Balancer Bolt, Steel, Flanged Hex, Coarse Thread, Natural, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-12557840

5.0 out of 5 stars ( 2 )

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Melling Valves V1935

Valve, Exhaust, OEM Replacement, 1.55 in. Diameter, .313 in. Stem, 4.920 in. Length, GM/Chevy, GenIII/IV LS, Each

Part Number: MEL-V1935

4.67 out of 5 stars ( 6 )

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Bilstein B8 5100 Series Shocks 24-186742

Shock, 5100 Series, Monotube, Rear, Chevy, GMC, 4WD, Each

Part Number: BSN-24-186742

4.93 out of 5 stars ( 68 )

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Spectre Performance Cold Air Intake Kits 9900K

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 )

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Top Street Performance Standalone Fuel Injection Wiring Harnesses WH1201

Wiring Harness, Fuel Injection System, Standalone, Drive-By-Cable, LS1, Kit

Part Number: TSN-WH1201

Not Yet Reviewed

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Richmond Gear EXCel Ring and Pinion Sets GM85373 GM 8.5/8.6 in. 3.73 Gears

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85373

4.17 out of 5 stars ( 12 )

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Hays Heavy-Duty 168-Tooth Flexplate 10-030

Flexplate, Heavy-Duty, Steel, Internal Balance, 168 Tooth, SFI 29.1, Chevy, Each

Part Number: HAY-10-030

4.38 out of 5 stars ( 8 )

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Mahle Original Intake Manifold Gaskets MIS16340

Intake Manifold Gaskets, Original, Stock Port, Molded Rubber Compound, Chevy, 4.8L, 5.3L, 6.0L, Kit

Part Number: MAH-MIS16340

4.71 out of 5 stars ( 14 )

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Earl's Performance LS Steam Vent Kits LS0041ERL

Engine Coolant Crossovers, LS Steam Vent Kits, Aluminum, Black Anodized, Chevy, LS, Kit

Part Number: EAR-LS0041ERL

5.0 out of 5 stars ( 2 )

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ACL Performance Race Series Rod Bearing Sets 8B663HC-STD

Rod Bearings, Race Series, CT-1 Coated, Tri-Metal, Chevrolet, Small Block, LS, Set of 8

Part Number: PEB-8B663HC-STD

Not Yet Reviewed

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Sealed Power A-Series Rod Bearings 8-2555A

Rod Bearings, A-Series, Bi Metal, Standard Size, Chevy, Small Block, Set of 8

Part Number: SLP-8-2555A

5.0 out of 5 stars ( 6 )

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2003 CHEVROLET SILVERADO 1500 Parts and Accessories