
Pro-Aire 50 000 494 underseat bus heater
HC 50 000 494
If you are searching for a copper and brass heater core to replace the ProAir 50 000 494 then you are in luck. We make our own cores and fabricate our own tanks so, naturally, we get asked to build custom heater cores or "small radiators."
Price includes shroud and 12V SPAL fan
Our build queue varies.
Made in the USA
2011-2012 Eldorado Chevrolet
2011,2017-2020 Elkhart Coach Ford
2010 Goshen Coach Ford
2011 Starcraft Ford
2019 Turtle Top Ford

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.