Spindle Nut

This genuine replacement Spindle Nut (SKU: B1RS34) is designed to secure the blade assembly on your lawn mower or ride-on mower deck. Compatible with OEM part numbers AYP 137266 and 139729, this high-quality nut ensures a safe and vibration-free fit. It is a durable, direct replacement that helps maintain optimal cutting performance.

• Precision-engineered to match OEM specifications for a secure fit.
• Manufactured from durable materials to withstand heavy-duty use.
• Easy to install as a direct replacement for worn or damaged spindle nuts.

• Compatible with selected AYP, Husqvarna, and Craftsman ride-on mower decks.
• Fits many 42-inch and 46-inch cutting deck spindle assemblies.

Spindle Nuts – Replacement fasteners for lawn mower blade spindle assemblies.