VAG MQB Coolant Expansion Tank Cap – 2Q0121321A
Replace your blue coolant cap with this new design found on the MQB MK7.5 Golf/GTI models. Will fit all VAG 1996 onwards.
Not only does this cap look cleaner in your engine bay, it is more funtional with its ergonomic grip. No more struggling to get your cap off to fill up your coolant bottle!
This is an OEM Volkswagen part.