This pre-heater shutoff valve...
THIS ONE is ONLY used mainly 1975-79 Corvettes, 80 & 81 Firebird and the odd Camaro. but listed below are others.
*** SEE ALSO THE NOTE BELOW # 2
Often these jamb on and cause increased heat in the cabin and the Air Conditioning has an impossible job trying to maintain any low temp.
CADILLAC |
DEVILLE |
1981-1987 |
CADILLAC |
ELDORADO |
1981-1985 |
CADILLAC |
FLEETWOOD |
1981-1987 |
CADILLAC |
SEVILLE |
1981-1985 |
|
|
|
CHEVROLET |
CAMARO |
1980 |
CHEVROLET |
CAPRICE |
1980-1988 |
CHEVROLET |
CORVETTE |
1975-1979 |
|
|
|
GMC |
C15 PICKUP |
1976-1978 |
GMC |
C15 SUBURBAN |
1976-1978 |
GMC |
C1500 PICKUP |
1979 |
|
|
|
GMC |
CABALLERO |
1982 |
|
|
|
OLDSMOBILE |
CUTLASS |
1977-1981 |
OLDSMOBILE |
CUTLASS CALAIS |
1978-1984 |
|
|
|
PONTIAC |
BONNEVILLE |
1980-1981 |
PONTIAC |
CATALINA |
1977-1981 |
PONTIAC |
FIREBIRD |
1980-1981 |
NOTE # 2:
There is also a replacement valve made of metal.. don't know either way if metal is better or less corosive maybe then the Plastic one's but its possible and looks like this below. Was actually used on Volvos and Fords too..