For 1977-1978 GMC P35 Radiator Cap API 58949RB Radiator Cap -- Standard; 16 lb

For 1977-1978 GMC P25 Radiator Cap API 65633GC Radiator Cap -- Standard; 16 lb

For 1977-1978 GMC K35 Radiator Cap API 38947GD Radiator Cap -- Standard; 16 lb

For 1977-1978 GMC G25 Radiator Cap API 22226GP Radiator Cap -- Standard; 16 lb

For 1977-1997 Oldsmobile Cutlass Supreme Radiator Cap API 28547TM 1978 1979 1980

For 2008 Dodge Viper Radiator Cap API 28417CM Radiator Cap -- Standard; 20 lb

For 1977-1978 GMC G35 Radiator Cap API 87583DQ

For 1992-1993 GMC Typhoon Radiator Cap API 37847NQ 4.3L V6