Harness – GM (87821866)

This Harness (87821866) from GM Genuine Parts replaces the original part on the same mounting points and connector. The unit replaces a chafed or water-damaged section of the body or engine loom. Catalogue application notes: 6.6L diesel, emission reduction system, 2nd design. Confirm the number on the part you are removing matches 87821866 before ordering; superseded numbers are the same component under a later release.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. Shipped from our US warehouse with tracking.