Acerbis Gas Cap KTM All MX/Enduro


The Acerbis Replacement Gas Cap is the industry standard when it comes to oversized fuel tanks and unique auxiliary tanks for your KTM MX and Enduro Models. The Standard Gas Cap by Acerbis is also the same cap that comes on the Rally Raid Fuel Tanks. We've listed a Locking Version from Acerbis as a go-to option for those looking to secure their fuel from banditos.

Replacement cap, vent hose, and gasket for Acerbis fuel tanks.


  • Includes Underside Gasket
  • Standard Version Includes Vent Tube


  • Carbon cap is made of plastic and is not real carbon fiber.
  • Large fits all Acerbis fuel tanks
  • Small is a KTM OEM replacement for 2006 and older big bikes, will not fit minis.
  • Replacement is locking large cap for all Acerbis fuel tanks, not compatible with OEM or any other aftermarket fuel tanks.
  • Carbon cap will not fit XR250L / XR400L / XR650L tanks.

Select your choice from the dropdown.


  • This is a universal fit part; it may or may not fit without modification.





This product can expose you to chemicals known to the State of California known to cause Cancer or birth defects and reproductive harm. For more information go to:

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