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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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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: Sep 2009 Posts: 5,837 Gearhead, Stovebolt Tech and Parts Tracker, Mod for Swap Meet and GTT | | Gearhead, Stovebolt Tech and Parts Tracker, Mod for Swap Meet and GTT Joined: Sep 2009 Posts: 5,837 | Dan I've been searching half a day. Should of known you'd have the answer. Got 2 (just in case) on order at the "Filling Station".
Thank you. No problem Mickey. You know I enjoy researching the info and being able to help out when I can. BTW - Your original ID (Inner Diameter) you listed above of 1-1/4" is a tad off. The correct inner diameter for the seal is 1-1/2". Bolter rfs56trk is also 100% accurate that the seal "P/N 9613S" is correct for your application too. You can see that number cross references to the original GM# 3746212 (among many others) if you scroll down this finditparts.com part details page. They also provide detailed measurement specs for those interested in that level of detail. 
~ Dan 1951 Chevy 3 window 3100Follow this story in the DITY Gallery"My Grandpa Carl's Truck and How it Became Mine"1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver) US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)
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