Engine Harness – GM (42921518)

GM Genuine Parts supplies this Engine Harness under part number 42921518 as a factory-pattern replacement. Fitted in place of the original, it carries the factory pinout so the original connectors mate without rewiring. Catalogue application notes: With block heater. Verify 42921518 against your vehicle’s parts listing first; where a number has been superseded, the later release is the part supplied. GM Genuine Parts are the components installed during production or validated by General Motors for GM vehicles. Ships from our US warehouse.