2003 CHEVROLET SILVERADO 1500 Electrical Wiring

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: Today

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

Part Number: ADO-PT2782

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Estimated Ship Date: Today

Wiring Connector, GM 19368859, Cadillac, CTS, Gray Plastic, Each

Part Number: ADO-PT3846

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Wiring Connectors, Coolant Temperature Sensor Extension, 36 in., 2 Pin, Each

Part Number: ICB-WECTS30-36

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Estimated Ship Date: Today

Wire Extension 24" LS Gen 3 MAP Manifold Absolute Pressure Sensor Connector

Part Number: ICB-WEMAP30-24

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Estimated Ship Date: Today

Neutral Safety and Backup Light Switch, T-Series, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Each

Part Number: SMP-NS85T

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Estimated Ship Date: Today

Harness Adapter, Nexus Rebel LS, Cable Operated, TPS, IAC, Chevrolet, LS, Each

Part Number: HTH-HT-186504

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Estimated Ship Date: Today

Headlight Switch, OEM Replacement, Chevy, GMC, Each

Part Number: RNB-901-142

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Wire Extension LS Gen 3 White 3-Wire CKP Crankshaft Position Sensor Connector

Part Number: ICB-WECKP30-36

Not Yet Reviewed

Estimated Ship Date: Today

Map Sensor Adapter, Convert LS Gen III Map Sensor Harness to Gen IV LS Bosch Style Sensor, Nexus Rebel, Chevrolet, Each

Part Number: HTH-HT-186511

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: ADO-PT1799

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: HTH-HT-186505

Not Yet Reviewed

Estimated Ship Date: Today

Blower Motor Resistor, Wiring Pigtail, Cadillac, Chevy, GMC, Each

Part Number: RNB-973-409

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Wiring Pigtails, 4-pin, Male, Black, for use on Acura®, for use on Honda®, Buick, Cadillac, Chevy, Chrysler, GMC, Isuzu, Jeep, Pontiac, Toyota, Each

Part Number: SMP-S551

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Wiring Connectors and Pigtails, ACDelco Wiring Connectors, Pigtail Connector, 6 Wires, Multi-Purpose Connector, Each

Part Number: ADO-PT2712

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Harness Adapter, Nexus Rebel LS, DBW, 8-Pin, Chevrolet, LS, Each

Part Number: HTH-HT-186506

Not Yet Reviewed

Estimated Ship Date: Today

Wiring Pigtail, Alternator, Male and Female, 4-pin, 36 in. Long, Chevy, Each

Part Number: ICB-WEALT30-36

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Ignition Switch Lock Cylinder, Buick, Cadillac, Chevrolet, GMC, Pontiac, Each

Part Number: RNB-924-725

Not Yet Reviewed

Estimated Ship Date: Today

Wiring Pigtails, 2-pin, Male, Black, for Hyundai, for Kia, Buick, Cadillac, Chevy, Dodge, Fiat, Genesis, GMC, Isuzu, Jeep, Saab, Saturn, Suzuki, Each

Part Number: SMP-S575

Not Yet Reviewed

Estimated Ship Date: Today

Wire Extension 12" LS Purge Valve EVAP Solenoid

Part Number: ICB-WEPUR30-12

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Estimated Ship Date: Today

Switch, Power Door Lock, Plastic, Black, Chevy, GMC, Each

Part Number: SMP-DS2128

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Estimated Ship Date: Today

Wiring Pigtails, 3-pin, Male, Black, for use on Acura®, for Hyundai, Buick, Cadillac, Chevy, Dodge, GMC, Mitsubishi, Olds, Pontiac, Saab, Suzuki, Each

Part Number: SMP-S656

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Estimated Ship Date: Today

Wiring Pigtails, Wiring Connectors, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Saab, Saturn, Workhorse, Workhorse Custom Chassis, Each

Part Number: RNB-645-785

Not Yet Reviewed

Estimated Ship Date: Today

LED Light Harness, Resistors, 921,194 Bulb Type, Kit

Part Number: PUT-240002

Not Yet Reviewed

Estimated Ship Date: Feb 4, 2026 if ordered today

• Drop Ship
• Special Order

EM- Fog Lamp Switch Cn

Part Number: SMP-S-1399

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

• Drop Ship
• Special Order