Dodge 70-77 Plymouth 70-76 Chrysler 74-75 Heater Core

HC mopar 3420577

Regular price $499.00

We are hunting this pattern but after seeing what eBay sellers are asking people to pay, we feel compelled to make a brand new better heater core for the Mopar: 3420577,  from your pattern.  Together, let's stop the madness.

Chrysler Dodge Plymouth 
1974-1975 1970 Charger w/AC 1970 Satellite w/AC
  1970 Coronet w/AC 1974-75 Fury All models w/o upper vent
  1974-75 Monaco w/o upper vent 1974-76 Fury w/AC, w/upper vent
  1974-75 Polara w/o upper vent  
  1974-76 Monaco w/AC, w/upper vent  
  1974-76 Polara w/AC, w/upper vent  
  1977 Royal Monaco w/upper vent, w/AC  

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 [February 2024]

Brass Model Ts 2 months 

Black Model Ts FT 1-3 weeks - RT is 6 weeks

Model As 2-4 weeks

Heater cores 6 weeks

Common street rods 3.75 months

Tricky customs & restorations 4-4.5 months

We appreciate your patience as we continue to recruit and train new fabricators.