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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Jun 2009 Posts: 2 New Guy | | New Guy Joined: Jun 2009 Posts: 2 | Anybody know a NAPA part # for the front pinion seal on my 59 1 ton GMC Napco? | | | | | Joined: Mar 2009 Posts: 15 New Guy | | New Guy Joined: Mar 2009 Posts: 15 | Is it the same as a 3/4 ton? I can get that for you tomorrow if you still need it. | | | | | Joined: Mar 2009 Posts: 15 New Guy | | New Guy Joined: Mar 2009 Posts: 15 | Don't know if this is the same - SKF ( www.skf.com) seal part #25970. Not NAPA, must have bought this from one of the others... It's on my '56 3600. | | | | | Joined: Mar 2009 Posts: 788 'Bolter | | 'Bolter Joined: Mar 2009 Posts: 788 | if you take the old one out it will have manuf # on it. Napco may have it's own part #, but theere will be a manuf # and it will more than likely be a common seal avail at most automotive jobbers or bearing shops
ron
you will also more than likely require a "speedi-sleeve" to repair the wear in the pinion shaft where the seal ran on it
Last edited by padresag; 11/05/2009 4:02 PM.
| | | | | Joined: Apr 2009 Posts: 431 Shop Shark | | Shop Shark Joined: Apr 2009 Posts: 431 | | | | | | Joined: Jan 2000 Posts: 591 'Bolter | | 'Bolter Joined: Jan 2000 Posts: 591 | rednate's suggestion is a good one. I am not a 100% sure, but I seem to recall that they started a reference list for bearing and seals for the NAPCO parts there. Also, if you go to eBay and search for chev* napco, there is an vendor that regularly sells there (ddautoparts, I think), I have talked to them and they are very nice. I'm sure they wouldn't mind answering your question if nothing else pans out. | | |
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