1988 GMC C2500 Engine: 5.0L V8;. 1988 GMC C2500 Engine: 5.7L V8;. 1989 GMC C2500 Engine: 5.0L V8;. 1990 GMC C2500 Engine: 5.0L V8;. 1989 GMC C2500 Engine: 5.7L V8;. 1990 GMC C2500 Engine: 5.7L V8;. Part Type: Fuel Injection Throttle Body Mounting Gasket.
