Snow Blower Worm Gear Replacement for 7170528A 20 Tooth Keep your snow blower working reliably by replacing a worn or damaged worm gear with this directfit 20tooth replacement for part 7170528A. Designed to restore the drive and auger functions, this gear helps the machine to proper operation without the need for major repairs. Key benefits Direct replacement for part number 7170528A for straightforward fit and compatibility. 20tooth worm gear profile engineered for correct engagement with the mating gear, helping restore smooth power transfer. Restores lost drive or auger movement caused by stripped or worn gears, saving time and avoiding full assembly replacement. Simplifies seasonal maintenance and with an easy swap of the existing damaged gear. What it does Replaces the worn worm gear in the snow blower drive assembly. Transfers rotational motion from the motor or gearbox to the driven component, restoring proper speed and torque characteristics. Important attributes Function: Worm gear replacement designed for drive or auger gearbox . Compatibility: Intended as a replacement for part number 7170528A. Teeth: 20tooth gear profile for correct mesh with corresponding components. Performance: Restores mechanical engagement and power transfer when the original gear has failed or shows excessive wear. Practical use scenarios Seasonal tuneup: an aging worm gear before winter to ensure reliable starting and operation during heavy snowfall. after damage: Swap in the replacement gear when a stripped tooth or worn surface causes the auger or drive to slip or stop functioning. Emergency field : Carry as a spare to quickly restore a snow blower that will not advance or rotate, reducing downtime during clearing operations. Installation and fit Designed for direct fit where part 7170528A is specified. Install using the existing gearbox housing and fasteners following the equipment service instructions. If unsure about steps, consult the machine service manual or a qualified technician. This replacement worm gear provides a practical option to restore a snow blower drive assembly to working condition while keeping repairs focused and cost effective.