MOPAR 1961-1971 Model 51 Auxillary Heater Core 31047 1936 is ~8" and 1935

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

If the fuel tank is under the rear deck of a coupe the minimum is 4 gallons

We will test the heater core absent the valve and solder the tube (and valve) after testing

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

Properly offset cast red brass inlet

MOPAR 1961-1971 Model 51 Auxillary Heater Core 31047 1936 is ~8" and 1935In 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