MTD Snowblower Gearbox Worm Gear Key 914-0161

Basic Information

• Part Name: Snowblower gearbox worm gear key
• Manufacturer: MTD
• Category: Snowblower
• Primary Function: Locks the worm gear onto the auger axle shaft to ensure proper gear alignment and rotation

Installation & Compatibility

• Compatible Models: Fits MTD, Craftsman, Troybilt and Yard-Man snowblowers; confirm compatibility using your models parts diagram
• Installation Difficulty: Medium; may require partial gearbox disassembly
• Tools Required: Socket wrench and work gloves

Additional Information

Snowblower gearbox worm gear key 914-0161 secures the worm gear to the auger axle shaft, keeping both components synchronized during operation. This small part helps maintain smooth auger movement and reliable snow discharge.

Replace this part if the auger slips, makes grinding noises or stops turning properly; these can indicate a worn or damaged gear key. Keeping the gearbox properly lubricated also helps extend the keys lifespan.

Wear work gloves to protect your hands when installing this part.

Snowblower gearbox worm gear key 914-0161 replaces part numbers HG-44143, 714-161, 714-0161 and 162636.