W (S)Module Kit – GM (86599003)

a W from GM Genuine Parts, part S)Module Kit – GM (86599003, is a direct replacement for the unit fitted at the factory. The unit replaces a module that has lost communication or an output driver. Catalogue application notes: Silverado, Sierra 3500 HD. Diesel. In fuel tank. Dual tank. Regular cab chassis. Front. Crew cab chassis. Match S)Module Kit – GM (86599003 to the number on the failed component. Count the pins or check the connector keyway if two numbers look interchangeable. Stocked in the US and dispatched within one business day.