Brand New air filter box assembly to fit: Yamaha PW 50 (1981-2022). This is a high quality air filter box with air filter foam included and all for a very reasonable price. These air filters have been designed to meet or exceed the manufacturers genuine part on a PW50. This may also fit the PY50 Chinese copy but we can’t guarantee fitment as the air filter can sometimes vary to the PW 50. To replace: 4X4-14411-00 / 4X4-14412-00 / 4X4-14451-00 / 98507-06045 / 92907-06600 / 4X4-14453-00 / 90467-20023. FREE UK DELIVERY! Worldwide delivery available.