NEW GM GENUINE 12689503 Fuel Injector Wiring Harness (LHS) 12707876

NEW Genuine GM Fuel Injector Wiring Harness LHS
GM Part Number: 12689503
Superseded by: 12707876

Brand new genuine GM left hand side fuel injector wiring harness.
Designed to connect the fuel injectors to the engine control system on compatible V8 engines.
Manufactured to OEM specifications for correct fitment and electrical performance.

Left hand side harness only.

Sold individually.

Compatibility

Cadillac CT5 V Series Blackwing (2022–2024)
6.2L V8

Cadillac CTS V Series (2017–2019)
6.2L V8

Cadillac Escalade (2017–2022)
5.3L and 6.2L V8

Chevrolet Camaro (2017–2024)
6.2L V8

Chevrolet Corvette (2017–2024)
6.2L V8

Chevrolet Express (2021–2023)
6.6L V8

Chevrolet Silverado (2017–2023)
5.3L V8
6.2L V8
6.6L V8 petrol

Chevrolet Suburban (2017–2022)
5.3L and 6.2L V8

Chevrolet Tahoe (2017–2022)
5.3L and 6.2L V8

GMC Savana (2021–2023)
6.6L V8

GMC Sierra (2017–2023)
5.3L V8
6.2L V8
6.6L V8 petrol

GMC Yukon (2017–2022)
5.3L and 6.2L V8

Notes

Fuel injector wiring harness
Left hand side (LHS)
Part number 12689503 superseded by 12707876
Suits V8 petrol engines as listed
Genuine GM OEM part
Not aftermarket or reconditioned

Please confirm part number and vehicle configuration before purchase to ensure correct fitment.