Heavy Duty Deck Spindle Assembly Compatible with Spartan Zero Turn Mowers, Replaces 437-0005-00, Fits RT/SRT/RT Pro/RT HD Series, Lawn Mower Blade Spindle

This deck spindle assembly is a direct replacement for part number 437-0005-00, designed for Spartan zero turn mower decks. It supports the mower blade and ensures smooth, stable rotation during operation. Manufactured with heavy duty materials and sealed bearings, this spindle helps restore proper blade alignment and cutting performance. Perfect for replacing worn, noisy, or damaged spindles on RT and SRT series mower decks. Compatible with Spartan RT / SRT / RT Pro / RT HD models. This is an aftermarket replacement part, not OEM, but engineered to meet or exceed original fit and function.

• Compatibility: Compatible with Spartan zero turn mowers, fits RT, SRT, RT Pro and RT HD series (2016–2022). Direct replacement for part number 437-0005-00. Please verify your model and deck size before purchase
• Heavy Duty Construction: Built with a reinforced spindle housing and premium sealed bearings to handle high blade speed and heavy mowing conditions. Designed for long service life under demanding use
• Smooth & Quiet Operation: Precision-machined shaft and high-quality bearings help reduce vibration, noise, and uneven blade rotation caused by worn or damaged spindles
• Complete Spindle Assembly: Includes spindle housing, shaft, bearings, and mounting flange. Ready to install and designed to match original mounting points for easy replacement
• Fix Common Mowing Issues: Ideal solution for wobbling blades, excessive vibration, abnormal noise, or uneven cutting caused by a failing deck spindle