Craftsman Snowblower Shear Pin, 1/4 x 1-1/2-in 738-05273

Basic Information

• Part Name: Snowblower shear pin
• Manufacturer: MTD
• Category: Snowblower
• Primary Function: Connects the auger to the drive shaft and shears off under excessive load to prevent damage to the transmission and engine

Technical Specifications

• Dimensions: 1/4 x 1-1/2 inch

Installation & Compatibility

• Compatible Models: Fits select MTD and Craftsman snowblowers; confirm compatibility using your models parts diagram before ordering
• Installation Difficulty: Easy; replaces broken or missing shear pins on the auger assembly
• Tools Required: Wrench set and work gloves

Additional Information

Snowblower shear pin 738-05273 secures the auger to the rotating drive shaft and is designed to break if the auger encounters a solid obstruction, such as ice or packed snow. This helps protect key drive components from damage by absorbing the impact and disengaging the auger from the shaft.

If the auger stops turning but the engine continues to run, the shear pin may have broken and should be replaced. Replacing it restores proper auger rotation and ensures smooth snowblower operation.

Before installation, disconnect the spark plug wire to prevent accidental starting. Remove any broken pin fragments, align the auger and shaft holes, and insert the new shear pin securely. Tighten as needed and wear work gloves to protect your hands during installation.