Engine Wiring Harness – GM (84487903)

This Engine Wiring Harness (84487903) from GM Genuine Parts replaces the original part on the same mounting points and connector. The unit carries the factory pinout so the original connectors mate without rewiring. Catalogue application notes: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors. Confirm the number on the part you are removing matches 84487903 before ordering; superseded numbers are the same component under a later release. GM Genuine Parts are the components installed during production or validated by General Motors for GM vehicles. Held in US stock for same-week dispatch.