o ring


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By darrell - 3 Years Ago
does anyone know where i can get the o ring for my 55 torque converter.
By paul2748 - 3 Years Ago
Try this shop -Fatsco Transmission  800-524-0485

CASCO shows a 7963-A      Seal converter cover to Impeller

Or is it 7916-A    SeaL converter impeller hub to impeller  4 1/2 inch




By DryLakesRacer - 3 Years Ago
If you know the diameter of the o-ring material they are easily made using razor blade and superglue. We made them for many years from kits at our Power Plant without failures. Good luck.
By stuey - 3 Years Ago
measure ID and cross sectional diam.   and do a search for "O" rings.  Probably Viton. You should find something . Bearing shops often stock them and are usually cheaper.
I can't afford to import specific items like that so have to search for bearings and  o rings from local suppliers or e-pay.
Good luck 
stuey
By darrell - 3 Years Ago
thanks everyone ive located some.i know about cutting them of a roll and gluing them together but no one keeps it around here anymore.ill keep looking before i order one and the cut and glue worked well for me in the past.
By GREENBIRD56 - 3 Years Ago
Caterpillar has a parts catalog called "One Safe Source" - at one time it was available "on-line". In the catalog, there is a listing of the CAT o-ring seals - and part numbers for the various rubber durometers, viton, silicon and so-on. If you can determine the "dash number" of the o-ring, it's fairly straight forward to hunt them down. The dash number is determined by the crossection and ID of the ring - and the standards are also available on-line. I've also used the catalog to hunt down various high strength US spec bolts when working in foreign countries.  
By Hoosier Hurricane - 3 Years Ago
Actually, the original seal ring is not an O-ring, but has a square cross section, but I believe an O-ring will work.  I bought a box of five original type a few years ago at a local auto parts store for not much money.
By oldcarmark - 3 Years Ago
Google  "Charlie Tranny". He would have the correct "O" Ring. This would be the Cover "O" Ring I think You are looking for? There is also One for the Impeller Hub to Cover. Good Idea to change both as well as the front Pump Seal while You have it apart.
By darrell - 3 Years Ago
ive used an o ring in the past and it held so ill go that route again.ive found a place that still has the cut and glue.