Description:

Good Replacement: This is a replacement part manufactured for use with snow throwers. Direct replacement for the old or damaged worm gear.. Applicable Model: Replacement for Cub Cadet; Replacement for MTD machines; Replacement for TroyBilt Sears 4042in snowblowers.. Powerful Function: This special worm gear drives the auger shaft and has a key slot in the arbor to fit onto the output shaft using a woodruff key.. Dimensions: The outer diameter is approximately 1 7/8 in, the inner diameter is 3/4 in, width 5/8 in, keyway 3/16 in, 20 Teeth.. Part Number: Replacing part numbers are 7170528A, 7170528, 9170528A, 71704449, 71704861, 9170528, 91704861, 91705861..