Uni has been making great air filters for racers for over 40 years! Better then Stock.
MADE in the USA.

Uni air filter New Manufacture! NU-2237 ST   Replaces Yamaha OEM part number 1W1-14450-02-00

Fits: Yamaha 1977 & 1978 YZ125 D and 1977 1978 1979 IT175 D

WILL NOT WORK  on 1977 1978 YZ100D.

Note many Yamaha's have had parts switched around look close order once.

This filter is new manufacture NOT OLD STOCK.  (look at photos)

Please check out our E-bay Store for other models, hard to find parts and close outs.

We will combine shipping were we can to save you money.

WE SHIP WORLDWIDE. International buyers are responsible for any duties.

Missouri residents will be charged sales tax.