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61M Reproduction Aluminum Radiator (Bare)

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100% Correct reproduction 1961 Early Corvette aluminum radiator features original design core, tank and top and bottom plates.

The aluminum radiator used on 1961 and 1962 Corvettes uses only one GM part number, yet several changes were made during the period. The most obvious difference is the upper cast neck used on 1961 models. This casting (part 3150896) included a raised square bump on the top of the casting. Since this casting number is so obviously positioned, several people confuse this with the part number of the radiator. 1961 radiators were not painted until the middle of production. Late 1961's & all 1962 radiators were all painted black gloss enamel. Made in USA.

Specify serial number when ordering for correct date code. Corvette radiators are date coded based on a production of 1-2 months prior to the assembly date of your Corvette. If you desire a specific date code - please call a Zip Corvette salesperson (1-800-962-9632) to make a specific request.

Dewitts aluminum radiators are warrantied to be free from defects in materials and workmanship for as long as you own the Corvette in which it was originally installed. This warranty is extended only to the first retail purchaser of any such radiator. Proof of purchase must be provided in the way of a sale receipt from DRI or an authorized dealer. If the radiator is used in any racing application this warranty is considered null and void.

Radiators used without an adequate proportion of premium quality antifreeze coolant and distilled water are not covered by this warranty. DRI radiators require a correct proportion of quality coolant, which contains aluminum corrosion inhibitors in the formula and distilled water. All Corvette cooling systems must include a radiator pressure cap with the proper pressure rating. Distilled water and premium antifreeze must be used with all Corvette aluminum radiators!

Dewitt Item Number 32-943A

(GM Part 3150896)

usaiconThis item is proudly Made in the USA

Installation difficulty: 3

Our technicians have determined that the installation difficulty level of this item is a 3 on a scale of 1-5. Read more about our install ratings here.

Model Years

More Information
Generation C1
Model Year 1961
Additional Item Information
  • OE GM PART #: 3150896 *GM part # provided for lookup purposes only.
  • Manufacturer Part Number: 32-943A


Based in Michigan, DeWitts Radiator is the only aftermarket radiator manufacturer in the US which owns an aluminum Nocolok blazing furnace. With a twelve-person crew, DeWitts builds custom and direct fit radiators for 1955-present Corvettes from start to finish at their Howell, MI plant. No epoxy is used in the making of their radiators, and their construction methods eliminate seams and possible leak points. Their Lifetime Warranty is industry leading, and Zip only recommends DeWitts Radiators to our customers.

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