Thermostat O-Ring (Outer 65x3mm) - VW/Audi 2.5L / Mk5 / Mk6 / Golf / Jetta / Rabbit / Beetle / Passat | N90303403
The GENUINE part, as sold new by the dealer.
Always replace when installing a new thermostat.
Part #
N90-303-403 / N90 303 403
⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov