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Mod | | | Forums66 Topics128,077 Posts1,056,015 Members48,433 | | Most Online14,466
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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Feb 2001 Posts: 95 'Bolter | | 'Bolter Joined: Feb 2001 Posts: 95 | For a mid 60’s SM420, would any of you know the GM part number for the rear counter shaft bearing snap ring? For reference, the early SM420 had a plate with two bolts where the late had a snap ring. If the link works, it is number 66 in the exploded view below. http://kinzers.com/don/landcruiser/transmissions/sm420/doc/300x300/sm420_3.jpgMine is missing and need to locate a replacement. Thanks | | | | | Joined: Sep 2011 Posts: 1,453 'Bolter | | 'Bolter Joined: Sep 2011 Posts: 1,453 |
BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022
| | | | | Joined: Jan 2013 Posts: 1,518 'Bolter | | 'Bolter Joined: Jan 2013 Posts: 1,518 | Measure your bearing diameter, I have plenty of spares.
1953 Chevrolet 3100261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done In the DITY GalleryVideo of the 261 running1964 GMC 1000305 Big Block V6, sm420, the next cab off restoration
| | | | | Joined: Jul 2007 Posts: 444 Shop Shark | | Shop Shark Joined: Jul 2007 Posts: 444 | Here's a PIC of the counter shaft Rear Bearing retainer ring . It's ( .050 " thick ) . PIC https://i.postimg.cc/mrW6Fjc8/GM-591959-Rear-bearing-retainer-ring.jpgIt's available GM NOS @ Dan's GM Obsolete Chinook , Montana phone : 406 - 357 - 2615 Dan's has ( 14 ) GM # 591959 in stock Friesen Chevrolet Sutton , Nebraska phone : 402 - 773 - 5538 Friesen has ( 14 ) GM # 591959 in stock UPDATE : 9/21/2019 There are ( 2 ) Rear Bearing Retainers on ebay right now for $8.00 plus shipping . Go to ebay & in the search box type in the part # . George '54 3600
Last edited by '54 3600; 09/21/2019 9:04 AM. Reason: add
| | | | | Joined: Feb 2001 Posts: 95 'Bolter | | 'Bolter Joined: Feb 2001 Posts: 95 | Thanks fellas. Really appreciate the help. This gets me back on track. | | |
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