Datsun 1965-1972 520/521 Truck heater core valve:I'll send my heater core so you may use my valve We keep hearing that the

We keep hearing that the OE aluminum and the aftermarket aluminum ones leak so this is made of brass and copper (20 Fins per inch) and you won't need to keep pulling the dash

Are they harder to make and cost you a little more

Fits to a 1928-1929 Model A shell

100 S and S4 Sedan 1991 Audi 100

Datsun 1965-1972 520/521 Truck heater core valve:I'll send my heater core so you may use my valve We keep hearing that theDatsun 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. Present Lead times. Made in the USA