For 1977-1978 GMC G35 Radiator Cap API 11357PT Radiator Cap -- Standard; 16 lb

For 1978 GMC G35-Safety Release Radiator Cap Gates 176NU85

For 1977-1978 GMC P35 Radiator Cap API 33233TC

For 1977-1978 GMC K35 Radiator Cap API 17791TH

For 1977-1978 GMC G25 Radiator Cap API 32992WZ

Radiator Cap For 1978 GMC G35 Gates 161WJ34 1978

For 1975, 1977-1978 GMC C35 Radiator Cap API 57265BR

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