This glow plug control module is new and from Ford Motorcraft. Updated Motorcraft part number DY-1600 Ford part number YC3Z-12B533-AC replacing the old DY-876. This is the solid-state module used on 7.3 DI Turbo diesel applications with California emissions and on the 6.0 DI Turbo diesel. Double-check your application on the 7.3 models. We have run across some California emissions-equipped models that did not use this module. Shipping charges and options are based on your zip code and will be shown in checkout.