W (S)Module Kit – GM (85855255)

GM Genuine Parts builds this W to the same footprint as the original; the catalogue number is S)Module Kit – GM (85855255. Fitted in place of the original, it plugs into the factory harness and runs the system it was programmed for. Catalogue application notes: Silverado, sierra. In tank. Double cab. Diesel. Check the part number stamped or moulded on the original against S)Module Kit – GM (85855255 — a number that looks close can belong to a different circuit. Held in US stock for same-week dispatch.