Push in vented gas cap with dipstick. For 31-33mm tank openings. Fits Peugeot 103 and Vespa Piaggio ciao. Dipstick is graduated with 1/3 and 1/2 level markings.
Gasket is included and preinstalled!
* Be sure to measure. *Must clean bung before installing
Plastic rim OD IS 31mm.
Gasket is 33mm OD.