Replaces OEM Part Numbers:

Ariens: 00170500

Encore: 423330

Gravely: 00170500

Toro: 115-4480

When ordering this part please add your transmission numbers 
that are the located on the transmission itself also make 
sure it’s the side that needs replacing to the Special instructions 
for seller section of your order so we can confirm numbers for correct transmission.
Pump replacement and warranty.
Flush all the lines and wheel motor, fill with fresh fluid and filter.

Service Manual