Part 7100890 Pack of 4 shear pins with nuts 11/2 x 5/16 for MTD snowblowers Key benefits Protects critical components: Shear pins are designed to break under sudden overloads, preventing damage to the auger drive and gearbox. Ready replacement set: Four shear pins plus matching nuts are included, so you can a failed pin quickly and get the snowblower back to work. Correct fit and sizing: Each pin measures 11/2 inch long by 5/16 inch diameter for direct fit where this size is required. Simple maintenance item: Easy to install with basic hand tools and a brief stop for , ideal for roadside fixes or service. Features and specifications Part number: 7100890 Quantity: Pack of 4 shear pins with 4 nuts Size: 11/2 inch length by 5/16 inch diameter Function: Sacrificial fastener that shears under excessive load to protect the auger drive system Compatibility: Intended as a replacement for MTD snowblower models that use 11/2 x 5/16 shear pins. Check your owner manual or existing pin dimensions to confirm fit. Practical use scenarios Field after hitting hidden debris: a sheared pin on the spot to resume clearing without further gearbox damage. Preseason maintenance: Swap pins as part of winter preparation to ensure spare parts are fresh and correctly sized before heavy use. Onthego spare set: Keep this pack in the vehicle or shed to minimize downtime during routine snow removal operations. Notes Verify pin size against your machine or service manual before installation. any pin that is bent, worn, or has previously sheared to maintain intended protection of the auger drive.