MOPAR 1961-1971 Model 51 Auxillary Heater Core 31047 If you need to gain

If you need to gain access to the coolant before or after cooling it this little inline bypass will do the trick

1936 is ~8" and 1935 is 6 1/2"

Properly offset cast red brass inlet

BUICK CENTURY 1982-1996 BUICK SKYLARK 1980-1985 CHEVROLET CELEBRITY 1982-1990 CHEVROLET CITATION 1980-1983 CHEVROLET CITATION II 1984-1985 OLDSMOBILE CUTLASS 1995-1996 OLDSMOBILE CUTLASS CIERA 1982-1996 OLDSMOBILE CUTLASS CRUISER 1987-1992 OLDSMOBILE CUTLASS SUPREME 1990-1994 OLDSMOBILE OMEGA 1980-1984 PONTIAC 6000 1982-1991 PONTIAC PHOENIX 1980-1984

If you find yourself with a core depth or fan/core interference a simple solution is to purchase the standard 2 1/4" length fan hub (part no 3962BBN) which is now made with sealed ball bearings

MOPAR 1961-1971 Model 51 Auxillary Heater Core 31047 If you need to gainIn the 1961 to 1971 period Mopar produced a Model 51 auxillary seat heater core for the Conventional and W200 crew cab. There are two cores in sequence. We require a pattern or a drawing to construct this heater core. We do not keep this heater core in stock & will need to fabricate it. Our build queue varies. Present Lead times. Made in the USA of copper and brass