Model 21 Heater core 1955 This radiator is intended as

This radiator is intended as a drop in replacement and set-up for the OE flathead engine in its production year

Blade Color: Black

This tube design provides equal volumetric throughput but increases tube surface area by 293% thus requiring fewer tubes and still achieving better heat exchange

93xs the surface area of the OE tube shape which helps drop the engine temperature

Jeep 1966-1973 with V6-225 CID Dauntless engine

Model 21 Heater core 1955 This radiator is intended asBishop and Babcock made the Tri airstream no. 21; part 680721 and supplied to Chrysler corp. and its dealers. We are trying to source a pattern for this one. Until we do, if you need a heater core for your Model 21, we'll need to have you send it in. Made in the USA Each heater core is made to order, please allow adequate time for us to fabricate. Present Lead times.