1987-1991 GMC R3500 5.7L V8. 1987-1989 GMC R3500 7.4L V8 VIN: W CARB. Application specific, providing unsurpassed quality for a seal you can trust. Validated for fit, form, and function. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
