CONDITION: New open-box spindle assembly. Item is unused and in excellent condition with only minor handling marks from storage. Bearings spin smoothly, and all mounting holes and shaft splines are clean. Shipped within one day of payment. ? DESCRIPTION: This Heavy-Duty Mower Deck Spindle Assembly is designed for professional-grade durability and smooth, consistent cutting performance. Built from high-strength steel with precision-engineered bearings, it restores smooth blade rotation, reduces deck vibration, and eliminates grinding or wobbling caused by worn spindles. Perfect for Spartan Mowers with 54?, 61?, or 72? decks, this spindle is a direct replacement for OEM part 437-0005-00 and installs easily with standard hardware?no modifications needed. Features: ? Heavy-duty construction resists bending and cracking ? Precision bearings for smooth, quiet blade operation ? Correct shaft length bolt pattern for perfect fit ? Helps eliminate uneven cutting vibration ? Designed for long service life with low maintenance Compatible Spartan Mower Models: RT Series: ? 2016?2019 RT ? 2020?2022 RT Pro ? 2020?2022 RT HD SRT Series: ? 2016?2019 SRT ? 2019?2022 SRT XD ? 2022 SRT XDe RZ Series: ? 2019?2020 RZ ? 2019?2020 RZ Pro ? 2020 RZ Pro Replaces OEM: 437-0005-00 ? SHIPPING SELLER INFO: Ships fast ? 1-business-day handling. 30-day returns, USA seller. ? SEARCH KEYWORDS: Spartan mower spindle, 437000500, zero turn spindle, deck spindle assembly, Spartan RT spindle, mower hub assembly, lawn mower bearing spindle Location: ST-149691-5