-----
Skip to contentHC datsun 520/521 no valve - requires pattern
Datsun 1965-1972 Datsun 520/521 Truck copper heater core. There is a valve that is either rmeoved or re-used. If we remove it you will not need send us your core however if you wish to use the valave, YOU MUST SEND THE PATTERN IN ON THIS HEATER CORE.
We do not keep this heater core in stock & will need to fabricate it.
Our build queue varies.
Made in the USA

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.
We make to order. Please allow adequate time for us to build.
Build time estimates [late Oct 21, 2025]
Model Ts Brass/Black
[Our foundry has resumed production. We will update the lead times asap]
Model As 8-12 weeks
Heater cores ~11 weeks
Model A and 32 Ford Street rods 5-6 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.