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Jul 21st, 2025 | | | | Joined: Aug 2022 Posts: 100 'Bolter | | 'Bolter Joined: Aug 2022 Posts: 100 | Can anyone verify if all 1941 thru 1946 Chevrolet trucks used the same bell housing, for 3speed and 4speed transmissions? Does anyone know the model number for these bell housings?
I’m trying to swap from a 4spd to a 3spd and just want to make sure I have all the correct parts.
I’ve researched and found bell housing #838533 AND 839257. Does anyone know which one is correct AND if they are the same for 3spd or 4spd?
Thanks for your help
Last edited by Dltalfa; 07/04/2023 12:56 AM.
Care taker of a 1946 1/2 ton. Pretty much period correct original. Danny T, from B’ham, Al
| | | | | Joined: Jul 2014 Posts: 1,300 Moderator for Tons o' Fun , Co-Moderator Driveline Forum | | Moderator for Tons o' Fun , Co-Moderator Driveline Forum Joined: Jul 2014 Posts: 1,300 | 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 3604In the Gallery Forum "You can't dance with the Devil and then wonder why you're still in Hell."
"They will forget what you've said, and they will forget what you have done but they will never forget the way you made them feel." | | | | | Joined: Jan 2000 Posts: 2,074 'Bolter | | 'Bolter Joined: Jan 2000 Posts: 2,074 | My 46 has the original bellhousing , first came the stock 4 speed trans and later the 3 speed. As of now has a T-5 trans courtesy of a custom adaptor between the bell and the new trans. All worked well. | | | | | Joined: Oct 2008 Posts: 285 'Bolter | | 'Bolter Joined: Oct 2008 Posts: 285 | Be aware that the master cylinder mount bracket is different on the 3 and the 4 speeds. Obviously, so is the floor board. | | |
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