Spindle Shaft Nut for Spartan Mower Deck Assembly SKU: 437-0013-00

A loose or damaged spindle nut causes serious problems—wobbling blades, accelerated bearing wear, and vibration that damages the entire deck assembly. This genuine Spartan replacement nut locks your spindle shaft securely in place for smooth, reliable blade operation.

Why Genuine Spartan Matters

• Exact thread pitch and diameter match your Spartan spindle specifications
• Hardened metal construction withstands mower vibration and impact
• Factory-tested fit eliminates guesswork during installation
• Built to maintain proper torque specs season after season

When your spindle assembly starts rattling or the blade seems loose, this nut is often the culprit. Get your deck running tight again with the right part from S&H Parts—trusted farm equipment specialists since 1969.