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Skip to contentHC 36-37 Round
If you are a purist, you will probably want your round Harrison heater core restored. However many of you may just want your window clear of fog, your feet warm and your wife happy. The 1936-1937 round heater cores are designed to fit the Harrison 172 housing. Our re-designed heater core uses a better core design and a 12V SPAL fan. The thickness grows but we designed an interface that is not visible when installed inside the same round housing.
Our build queue varies.
Made in the USA
Please note: The flat housing in our photo does not come with the heater core and fan assembly. You will need to remove and tack solder or screw yours on .
We make to order. Please allow adequate time for us to build.
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Guesstimated build times (updated March 21st)
We make to order. Please allow adequate time for us to build.
Build time estimates
Brass Model Ts 6 months
Black Model Ts 4 months
Model As 2.5 months
Heater cores 6 weeks
Common street rods 2 months
Customs and restorations 4 months
We appreciate your patience as we continue to recruit and train new fabricators.
Please read the terms and condition regarding cancelled order fees.
We make to order. Please allow adequate time for us to build.
Build time estimates
Brass Model Ts 6 months
Black Model Ts 4 months
Model As 2.5 months
Heater cores 6 weeks
Common street rods 2 months
Customs and restorations 4 months
We appreciate your patience as we continue to recruit and train new fabricators.