Paul, If you need the seal, they can be found HERE for a reproduction one at a great price. If you want to shell out more money, there are a couple NOS seals on evilbay and another site, but expect some "sticker shock" with those asking prices. Ouch!!!

Just do a web search using GM# 3689176. smile

~ Dan
1951 Chevy 3 window 3100
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"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)