2003 CHEVROLET SILVERADO-2500-HD Ignitions & Electrical

Oxygen Sensors, Premium Original Equipment-Type, for Hyundai, for Nissan, Chevy, Chrysler, Fiat, Ford, Jeep, Saab, Subaru, Suzuki, Toyota, Volvo, Each

Part Number: BCH-15741

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

Wire Connectors, Female Type, Gray, Buick, Cadillac, Chevrolet, Geo, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Suzuki, Each

Part Number: ADO-PT1798

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Ignition Coils, Flame-Thrower, Coil Pack Style, Epoxy, Female/Socket, Square, Black, 35,000 V, Buick, Cadillac, Chevy, GMC, Hummer, LS, Set of 8

Part Number: PNX-30848

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Knock Sensor Grommet / Seal, Gen III LS Valley Cover, 2 Req'd per engine, Sold each

Part Number: RNB-42003

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

Headlight Switch, OEM Replacement, Chevy, GMC, Each

Part Number: RNB-901-142

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

Oxygen Sensor, OE Style, Heated, Thread-In Mounting, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Saturn, Each

Part Number: DNP-234-4651

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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

Part Number: RNB-917-754

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Ignition Coil Pack, Screamin' Demon, Square, Epoxy Filled, Black, 45,000 V, Each

Part Number: DUI-31731

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

Spark Plug Wires, 409 Pro Race, Spiro-Wound, 10.4mm, Black, Straight Boots, Cadillac/Chevy/GMC, 5.3/6.0L, V8

Part Number: TAY-79005

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

Relays, Replacement, 35 amps, 12 V, 5 Blade Terminals, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Suzuki, Each

Part Number: ADO-D1780C

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Body Control Module, Stock, Chevrolet, GMC, Hummer, Each

Part Number: RNB-502-007

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Core Charge $200.00
• Free Shipping

Spark Plug Wires, ThunderVolt, Spiro-Wound, 8.2mm, Blue, Cadillac, Chevy, Pontiac, LS1/LS6, Set

Part Number: TAY-84644

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

Wire, Spiro-Pro, 8mm, Blue, Coil Pack, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Set of 8

Part Number: TAY-76646

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

Ignition Coil, Blaster OEM Replacement, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, 4.8, 5.3, 6.0L, Set of 8

Part Number: MSD-826383

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Spark Plug Wires, Ultra 40, Spiral Core, 8.65mm, Red, 180 Degree Boots, Chevy, Pontiac, 5.7L, Set

Part Number: MOR-73681

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Special Offer!
• Free Shipping

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

Part Number: SCW-CH-LS-T-8

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Wire, ThunderVolt, Spiral Core, 8.2mm, Red, Coil Pack, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab

Part Number: TAY-86246

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

Relay, 12 V, 10/20 amps, Single Pole, Spade Terminals, Each

Part Number: BCH-0332201107

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

Sending Unit, Temperature, 3/8 in. NPT, Each

Part Number: SMP-TX3T

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

Wiring Pigtails, Replacement, Female Wire Connector Type, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Suzuki, Each

Part Number: ADO-PT2782

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Wiring Pigtails, 3-pin, Male, Black, for use on Acura®, Chevy, Chrysler, Ford, GMC, International, Isuzu, Mitsubishi, Saab, Saturn, Suzuki, Each

Part Number: SMP-HP4440

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

Alternator, Street, 120 Amps, Natural Finish, Serpentine, Cadillac, Chevy, GMC, Each

Part Number: PWM-8247

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping

Wiring Pigtail, Coolant Temperature Sensor, Each

Part Number: SMP-TX3A

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

Oxygen Sensor, 4-Wire, 0-1 V, Front, Cadillac, Chevy, GMC, 6.0/8.1L, V8, Each

Part Number: NGK-21549

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

Ignition Coil, OEM Replacement, Cadillac, Chevy, Hummer, GMC, 4.8, 5.3, 6.0L, Each

Part Number: SMP-UF271

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025