1992 GMC W4500 Forward. 1993 GMC W4500 Forward. 1994 GMC W4500 Forward. 1995-1997 GMC W4500 Forward. Notes: Brake Wheel Cylinder -- with Front Disc Brakes, Diesel Engine. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.