This is a new O-ring on the left and the bad one on the right. These O-rings are in the connector coupling on the fire-wall of an MK4 VW Jetta. They are inside the connector/coupling that attaches to the heater core pipe.. known to eventually go bad.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
