Heating and Cooling› Overflow Tanks and Catch Cans

DEWITTS RADIATOR

Expansion Tank 63-67 Corvette

$317.99

SKU: D07D 32-421

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The DeWitts Radiator 32-421 is an expansion tank for 1963-1967 Corvettes. It is similar to the 32-425 model but includes a 5/8" welded fitting for Vintage Air water connections and utilizes stock brackets for installation without modification.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandDEWITTS RADIATOR
Part NumberD07D 32-421

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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