VW Vanagon 1983-1991 Front Heater Core 1939 standard a Robertshaw 333 series thermostat

a Robertshaw 333 series thermostat and this copper radiator in lieu of the common aluminum one

Our discreet pie-shaped overflow tank nests between the radiator sidewall and the shell

We first stumbled on this when we were helping a renowned Mercer expert restore an early Mercer

It is intended to fit within the shell but the OE horizontal bracing would need to be modified or removed for thicker cores for modern engines

This is a complicated fabrication with many hours devoted to hand fabricating the top tank to replicate the OE die tamped pattern used in 1935

VW Vanagon 1983-1991 Front Heater Core 1939 standard a Robertshaw 333 series thermostatAfter you spend 10 hours of your life removing the aluminum glue and plastic heater core that failed you, you may want to upgrade to a copper, brass and steel heater core. It'll last a lot longer than your patience. This is made in the USA of copper brass and steel. A vertical baffle bisects the tank to create the same flow path of the OE design. 20 fin per inch Present Lead times. Made in the USA