WARNER ELECTROMAGNETIC CLUTCH for lawn mower mowers MTD - CUB CADET lawn tractor series 2000 2130 2135 2146 2150 2155 21665 38" and 42" flat R.O: 717-3385A R.O: 717-3385B R. O: 917-3385A R.O: 917-3385B INNER BORE: 1" - 25.4mm OUTER PULLEY: 135mm HEIGHT: 89mm THROAT WIDTH: 5/8" - 15.88mm Part No.: 029010 Original part No.: 5217-14 / 5217-42 AT