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Home » Public Forums » GMCnet » Thetford to Black Tank Seal (Need valve O ring)
Thetford to Black Tank Seal [message #353877] Thu, 16 April 2020 19:14 Go to previous message
Jeremy Sanford is currently offline  Jeremy Sanford   United States
Messages: 35
Registered: August 2018
Location: Sacramento CA
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Hello, first post.
I need the rubber seal "O" ring that goes between the Thetford valve and the black tank on a stock '77 GMC. The GM Parts Book list p/n 701212, but this brings up nothing online. The O ring mounts on the valve on a 3.5" flange. My valve is fine, just need this O ring as mine is dried out and cracked causing a little drip.

Thanks
Jeremy


Jeremy Sanford
Sacramento, CA
1977 Kingsley
http://www.gmcmhphotos.com/photos/u42733-jsanford.html

 

 
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