MOPAR 1949-1954 Model 100, 104, 500, 550 Fresh Air Heater Core
MOPAR 1949-1954 Model 100, 104, 500, 550 Fresh Air Heater Core
MOPAR 1949-1954 Model 100, 104, 500, 550 Fresh Air Heater Core
MOPAR 1949-1954 Model 100, 104, 500, 550 Fresh Air Heater Core
MOPAR 1949-1954 Model 100, 104, 500, 550 Fresh Air Heater Core
MOPAR 1949-1954 Model 100, 104, 500, 550 Fresh Air Heater Core
MOPAR 1949-1954 Model 100, 104, 500, 550 Fresh Air Heater Core
MOPAR 1949-1954 Model 100, 104, 500, 550 Fresh Air Heater Core
MOPAR 1949-1954 Model 100, 104, 500, 550 Fresh Air Heater Core
MOPAR 1949-1954 Model 100, 104, 500, 550 Fresh Air Heater Core
MOPAR 1949-1954 Model 100, 104, 500, 550 Fresh Air Heater Core
MOPAR 1949-1954 Model 100, 104, 500, 550 Fresh Air Heater Core

MOPAR 1949-1954 Model 100, 104, 500, 550 Fresh Air Heater Core

HC MOPAR 49-54 Model 100 curve straight

$329.00

This is a 1949-1954 Mopar heater core to replace part 1233759 that fits the underdash heater core box Model 100 Fresh Air which has one curved and one straight connection.

MOPAR All-Weather Comfort System Heaters, (Models 100, 104, 300, 500 and 550), were available for various model Plymouth cars. 

Please do not order the 1949-1954 Mopar heater core for Model 503 boxes which has two curved connections.

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

 


 


We make to order. Please allow adequate time for us to build.

Build time estimates [April 23, 2026]

Model Ts Brass 18 weeks

Model Ts Black 13 weeks

Model As 17 weeks

Heater cores ~11 weeks

1928-34 Ford Hot rods 2-3 weeks

Common street rods ~12-15 weeks

Tricky customs & complicated restorations ~20-25 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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