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Mod | | | Forums66 Topics128,193 Posts1,057,257 Members48,466 | | 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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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: May 2012 Posts: 9 New Guy | | New Guy Joined: May 2012 Posts: 9 | On a truck that's been sitting for 15+ years I've finally gotten close to getting it back on the road. I replaced the differential rear gasket and front seal for the pinion yoke, but now wish I'd replaced the seals on both sides as I'm getting leakage on the passenger side. Would anyone know who makes these seals and have a part number so I can get it from a local parts store? While I'm in here for a 2nd time is there something else that I should check or replace, maybe bearings? Classic Chevy gave me their part number which was 73-171, but couldn't provide more than that.
Dan
55 Chevy 1st Series 1/2 Ton - 350/400 Hydra
| | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy dcraven, welcome, the rear axle seal for a 1/2 ton from 1946 to 1962 is National p/n 5801, hope that helps. | | | | | Joined: Sep 2011 Posts: 1,460 'Bolter | | 'Bolter Joined: Sep 2011 Posts: 1,460 | Do both sides while you're there!
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: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 |
You might need a new rear cover gasket?
| | | | | Joined: May 2012 Posts: 9 New Guy | | New Guy Joined: May 2012 Posts: 9 | Thanks for the National p/n. I think the Timken #'s for the seal is 414045 and for the bearing R1502EL, though the local parts stores I called don't have them in stock, so gonna order from Classic Chevy Truck which was considerably cheaper.
And yes, going to need a new rear cover gasket. Might as well order new rear axle locks just in case. Am I missing anything?
Dan
55 Chevy 1st Series 1/2 Ton - 350/400 Hydra
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