This was the one sold by Chevy. Found on page 434 of the 1929-1954 Chevrolet Master Parts and Accessories Catalog. Listed below, 7.503, Spring Assembly, Rear section, 47-54, Util, 6 leaves (Aux Springs) Part 604934.

The best part is it sold for $12.95!

http://chevy.oldcarmanualproject.com/parts/1929_54/434.htm
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Last edited by Phak1; 05/23/2021 12:56 PM.
Phil
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