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Skip to contentHC 40-41 pontiac underseat- Accordian
We get calls for the floor mounted rear of car or backseat heaters found in 1940 and 1941 Pontiacs. We can fabricate this model as the circular core in a tube and flat fin or an accordian style.
We do not keep this heater core in stock & will need to fabricate it. We have made the housing pictured but they are not part of the item being purchased. Call us if you need one.
Made in the USA
Each heater core is made to order, please allow adequate time for us to fabricate.

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