Chevrolet Truck Wiring Harnesses & Electrical - OEM-Fit Harnesses & Components

Restore your Chevrolet Truck’s electrical system with precision-engineered wiring harnesses and electrical components designed specifically for your vehicle. Each harness is manufactured to match the original routing, connectors, and circuits of your Chevrolet Truck—restoring the wiring behind the dash, under the hood, and through the body to factory-correct, or factory-improved, condition.

Our Chevrolet Truck electrical lineup includes complete wiring harness sets, battery cables and ground straps, switches, electrical devices, and update/conversion products such as alternator upgrades and electronic ignition conversions. Every component is manufactured and tested to deliver dependable, factory-correct performance, and is organized by your vehicle’s exact year to ensure the harness or component you order is the one built for your Chevrolet Truck—not a close approximation.

Use the Vehicle Selector above to find the correct wiring or electrical component for your Chevrolet Truck, or browse below to explore available options. Whether you’re chasing judging points with a numbers-matching restoration or simply getting your Chevrolet Truck running right, Factory Interiors makes it easy to restore your electrical system with wiring products proudly made in the USA.

1968-1978 Chevy Truck Temperature Sending Unit

-3/8-18 NPTF-, V8, Chevrolet small block, with factory gauges & aftermarket or 1981-up cylinder heads which have a smaller sending unit hole (correct resistance and connection, produces accurate gauge display)

1955 Chevy Truck Voltage Regulator

-O.E.M. replacement made in U.S.A.-, 2nd Series, 12 volt, 25 & 30 amp generator

$169.0
• SALE $168.95
Select Color/Material Options  
1955 Chevy Truck Voltage Regulator
1956-1957 Chevy Truck Voltage Regulator

-O.E.M. replacement made in U.S.A.-, 25 & 30 amp generator

$169.0
• SALE $168.95
Select Color/Material Options  
1956-1957 Chevy Truck Voltage Regulator
1957-1962 Chevy Truck Voltage Regulator

-O.E.M. replacement made in U.S.A.-, 35 amp generator

$169.0
• SALE $168.95
Select Color/Material Options  
1957-1962 Chevy Truck Voltage Regulator
1958-1962 Chevy Truck Voltage Regulator

-O.E.M. replacement made in U.S.A.-, 30 amp generator

$169.0
• SALE $168.95
Select Color/Material Options  
1958-1962 Chevy Truck Voltage Regulator

(607 Total Products)