ANyone know what O-Ring size to use for the drain plug on my radiator? THis is what it looks like, it's perished and leaking coolant a little. Imgur: The magic of the Internet

 

 

With the age of our cars, it’s probably safer to, and cheap, to replace the plastic peacock entirely. Years of heat cycles will have caused embrittlement the plastic. Worst thing in the world is for this to break in the hole.

Check out post #17 in the thread below. Fellow forum member GD gave details of a $3 replacement part.

https://www.jaguarforums.com/forum/x...-drain-163692/

 

I ordered a set of assorted O-Rings, if the plastic is brittle I will replace it as well. Thanks for the link. More Information for DORMAN 61138 (rockauto.com)

 

i just replaced the rad plug with the Dorman part. exact fit , identical to the one I removed from my car my car

 

Thanks I will buy that.