Oldsmobile Delta 88 Wiring Harnesses & Electrical - OEM-Fit Harnesses & Components

Restore your Oldsmobile Delta 88’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 Oldsmobile Delta 88—restoring the wiring behind the dash, under the hood, and through the body to factory-correct, or factory-improved, condition.

Our Oldsmobile Delta 88 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 Oldsmobile Delta 88—not a close approximation.

Use the Vehicle Selector above to find the correct wiring or electrical component for your Oldsmobile Delta 88, or browse below to explore available options. Whether you’re chasing judging points with a numbers-matching restoration or simply getting your Oldsmobile Delta 88 running right, Factory Interiors makes it easy to restore your electrical system with wiring products proudly made in the USA.

1986-1990 Oldsmobile Delta 88 Rear Window Defroster Relay/Timer

-O.E.M. made using original GM tooling-, Station Wagon

$173.0
• SALE $172.95
Select Color/Material Options  
1986-1990 Oldsmobile Delta 88 Rear Window Defroster Relay/Timer
1958 Oldsmobile Delta 88 Temperature Sending Unit

-original 1/2-14 NPTF-, with A/C Note: Requires a double 56 series female terminal connection

1963-1969 Oldsmobile Delta 88 Temperature Sending Unit

-original 1/2-14 NPTF-, Note: Requires a double 56 series female terminal connection

1970-1971 Oldsmobile Delta 88 Temperature Sending Unit

-original 1/2-14 NPTF-, Note: Requires a single 56 series female terminal connection

1972-1973 Oldsmobile Delta 88 Temperature Sending Unit

-original 1/2-14 NPTF-, without A/C or H.D. cooling (option code Y72) Note: Requires a single 56 series female terminal connection

(289 Total Products)