SKP Radiator Cap fits GMC Caballero 1978-1987 21NYHH

SKP Radiator Cap fits GMC P35 1978 94GNDS

SKP 84GN46S Radiator Cap Fits 1968-1970, 1978-1980 American Motors AMX

SKP Radiator Cap fits GMC C15 1978 23NNPR

SKP Radiator Cap fits GMC C25 1978 55GPSV

SKP Radiator Cap fits GMC G2500 1979-1995 55NXVJ

For 1978 GMC G15 Radiator Cap 84733PM Radiator Cap -- Pressure Rating 16 psi

SKP 56DY31V Radiator Cap Fits 2007-2013 Chevy Silverado 1500 Radiator Cap