Harrison 1930-1940s Duplex

HC 30s-40s Harrison Duplex - requires pattern

Regular price $329.00

This housing was made by Harrison and badged as a Duplex.  We require pattern to construct this rare heater core in a tube and fin core

We do not keep this heater core in stock & we will need your pattern to fabricate/restore it.   

Made in the USA 

Present Lead times.


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.