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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jan 2009 Posts: 42 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2009 Posts: 42 | I have two transmissions and no clue to what they are..one has cast no.590474 w/084 under it, the other is 591195 w/f158 under it. Any help would be lotsa help. | | | | | Joined: Nov 2005 Posts: 1,048 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 1,048 | Air chevy
I don’t know how many different transmissions may have used the same casting number but my ’41 unsynchronized 4 speed has casting number 590747 on the case. The top cover has 59011, and the rear cover has 590488
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