This is a cast iron engine coolant thermostat housing to fit automobiles equipped with 307, 350 and 455 Oldsmobile V8 engines.
| BUICK | APOLLO | 1975 |
| BUICK | CENTURY | 1976-1981 |
| BUICK | ELECTRA | 1976-1989 |
| BUICK | ESTATE WAGON | 1976-1983 |
| BUICK | LESABRE | 1977-1990 |
| BUICK | REGAL | 1977-1987 |
| BUICK | RIVIERA | 1977-1985 |
| BUICK | SKYLARK | 1975-1977 |
| CADILLAC | BROUGHAM | 1987-1990 |
| CADILLAC | DEVILLE | 1979-1985 |
| CADILLAC | ELDORADO | 1964-1985 |
| CADILLAC | FLEETWOOD | 1979-1986 |
| CADILLAC | SEVILLE | 1976-1985 |
| CHECKER | MARATHON | 1980-1982 |
| CHEVROLET | C10 PICKUP | 1978-1981 |
| CHEVROLET | C10 SUBURBAN | 1978-1980 |
| CHEVROLET | C30 PICKUP | 1978 |
| CHEVROLET | CAPRICE | 1980-1990 |
| CHEVROLET | EL CAMINO | 1983-1984 |
| CHEVROLET | IMPALA | 1980-1985 |
| CHEVROLET | MALIBU | 1982-1983 |
| CHEVROLET | MONTE CARLO | 1982-1983 |
| GMC | C15 PICKUP | 1978 |
| GMC | C15 SUBURBAN | 1978 |
| GMC | C1500 PICKUP | 1979-1981 |
| GMC | C1500 SUBURBAN | 1979-1981 |
| GMC | C2500 SUBURBAN | 1980 |
| GMC | CABALLERO | 1983-1984 |
| OLDSMOBILE | 442 | 1968-1971 |
| OLDSMOBILE | 98 | 1965-1984 |
| OLDSMOBILE | CUSTOM CRUISER | 1971-1990 |
| OLDSMOBILE | CUTLASS | 1964-1981 |
| OLDSMOBILE | CUTLASS CALAIS | 1978-1984 |
| OLDSMOBILE | CUTLASS CRUISER | 1980-1983 |
| OLDSMOBILE | CUTLASS SALON | 1975-1987 |
| OLDSMOBILE | CUTLASS SUPREME | 1968-1988 |
| OLDSMOBILE | DELMONT 88 | 1967-1968 |
| OLDSMOBILE | DELTA 88 | 1965-1985 |
| OLDSMOBILE | DYNAMIC | 1965 |
| OLDSMOBILE | F85 | 1964-1972 |
| OLDSMOBILE | JETSTAR 88 | 1964-1966 |
| OLDSMOBILE | JETSTAR I | 1965 |
| OLDSMOBILE | OMEGA | 1973-1974 |
| OLDSMOBILE | STARFIRE | 1965-1966 |
| OLDSMOBILE | TORONADO | 1966-1985 |
| OLDSMOBILE | VISTA CRUISER | 1964-1975 |
| PONTIAC | BONNEVILLE | 1977-1984 |
| PONTIAC | CATALINA | 1977-1981 |
| PONTIAC | FIREBIRD | 1977-1979 |
| PONTIAC | GRAND LEMANS | 1976-1983 |
| PONTIAC | GRAND PRIX | 1977-1984 |
| PONTIAC | GRAND SAFARI | 1977-1978 |
| PONTIAC | LAURENTIAN | 1980-1981 |
| PONTIAC | LEMANS | 1976-1977 |
| PONTIAC | PARISIENNE | 1976-1986 |
| PONTIAC | PHOENIX | 1977 |
| PONTIAC | SAFARI | 1987-1989 |
| PONTIAC | VENTURA | 1975-1977 |