MOPAR 1949-1954 Model 503 Heater Core
HC MOPAR 49-54 Model 503
1949-1954 Mopar heater core for Model 503 boxes taht are under the hood and have curved connection on BOTH ends
Please do not confuse this with the heater core part 1233759 that fits the underdash heater core box Model 100 which has a curved and a straight connection.
We do not keep this heater core in stock & will need to fabricate it.
Our build queue varies.
Made in the USA
We make to order. Please allow adequate time for us to build.
Build time estimates [late May 2025]
Model Ts Brass/Black [Our foundry has resumed production and we have begun shipping Model Ts. We will update the lead times asap]
Model As 9-11 weeks
Heater cores ~6 weeks
Model A and 32 Ford Street rods 8-9 weeks
Common street rods ~12-15 weeks
Tricky customs & complicated restorations ~20 weeks
We appreciate your patience as we continue to recruit and train new fabricators and manage the labor shortfall our country has been experiencing.
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