Product Code: 109991-u
Center spindle pulley for the 36" deck has 5/8" center smooth bore.
Product Code: 8391
Center pulley on 36" double D deck 2 1/2" high works also for part numbers ,99-5357,106113,101849,103156,8391,105131,101232
Product Code: 107448
Spindle housing aluminum 2.5' high usd on 36' rear discharge decks 5/8 and 3/4' shafts use different bearings
Product Code: 99-5357
Double drive pulley for deck 36' rear double D stamped metal 106113,101849,103156,8391,105131,101232. This pulley is 2" high