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Billet Washer Bottle Cap [MQB VW Audi Group]

The mountune Billet Washer Bottle Cap is reassuringly over-engineered to provide both visual improvements to your engine bay and reassuring function, every time you top up your washer fluid.

The black anodised T-6061 billet looks stunning in any engine bay, with the knurled edges not only looking great, but also adding extra grip for when you need to remove your cap to top up your washers.

A direct-fit for the OE part and installed in seconds for an instant aesthetic enhancement.


  • Direct replacement for OE part
  • Billet aluminium with knurled black anodised finish
  • mountune logo
  • mountune gen2 design - the perfect engine bay dress up companion product for the mountune billet oil filler cap, dipstick and oil filter housing.