According to the GM Parts Wiki - Group 0.638 , Housing Clutch & Flywheel , 1938-1947 Comm/Util , Cast 839257 , P/N 3847361 is the correct housing .

Cast 838533 is P/N 601735 and is shown as being for a 1937 Comm/Util

There is no distinction bewtween 3 speed or 4 speed.

Hope this info helps.

http://www.gmpartswiki.com

Last edited by Dusty53; 07/04/2023 4:29 AM.
Ron - - Dusty53
1954 Chevy 3604
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