437-0005-00 Lawn Mower Deck Spindle Assembly Mandrel Replacement for Spartan Mowers 54", 61", 72" Decks - Fits RT, RT Pro, RT HD, SRT, SRT XD, SRT XDe Series

Header: Restore Your Spartan Mower with the 437-0005-00 Spindle Mandrel ... Why Choose This Replacement?Direct Replacement: Fits perfectly into your deck cutout.Maintenance Free: Sealed bearings mean you can install it and forget it—no daily greasing needed.Cost-Effective Repair: Don't pay extra for a pulley or bolts you don't need. simply swap over your existing hardware to get back to mowing.Package Includes:1 x Spindle Assembly (Housing, Shaft, Bearings)(Note: Pulley, Nut, and Mounting Bolts are NOT included)Detailed Compatibility List: Please check your deck size and model year below.Compatible with Spartan RZ Series: RZ: 2019–2020 Models RZ Pro: 2019–2020 Models (including 2020 RZ Pro) Fits 54", 61" Decks within these series.Compatible with Spartan RT Series: RT: 2016–2019 Models RT Pro: 2020–2022 Models RT HD: 2020–2022 Models Fits 54", 61", 72" Decks.Compatible with Spartan SRT Series: SRT: 2016–2019 Models SRT XD: 2019–2022 Models SRT XDe: 2022 Models Fits 54", 61", 72" Decks.Replaces Part Number: 437-0005-00Maintenance Tip: When changing your spindle, we recommend inspecting your deck belt and idler pulleys. A seized spindle often causes belt burns. Replacing these components together ensures optimal performance and extends the life of your mower deck system.

• EXACT FIT SPARTAN MANDREL: Precision-engineered to replace OEM part number 437-0005-00. Specifically designed for Spartan Zero Turn Mowers with 54", 61", and 72" decks (RT, RT Pro, RT HD, SRT, SRT XD, SRT XDe, RZ, RZ Pro Series). Note: This item is the spindle assembly only.
• IMPORTANT - WHAT IS INCLUDED: To provide the best value, this kit includes the Aluminum Housing, Internal Shaft, and Pre-installed Bearings. It does NOT include the pulley or mounting bolts. Please retain and reuse your existing OEM pulley and hardware for installation.
• MAINTENANCE-FREE BEARINGS: Equipped with premium sealed bearings that are pre-greased for life. No messy greasing schedules or maintenance required. Designed to block out dirt, moisture, and grass clippings for long-lasting performance.
• HEAVY-DUTY ALUMINUM HOUSING: Built with a reinforced aluminum alloy housing that effectively dissipates heat during long mowing sessions on commercial-grade 61" and 72" decks, preventing overheating and bearing failure.
• SOLVES DECK VIBRATION: If your mower deck is shaking or making grinding noises, a bent shaft or worn bearing is likely the cause. This replacement mandrel restores balance to your blade system, ensuring a smooth, even cut without the wobble.