Deck Spindle Shaft for Spartan 4-Bearing Mower Spindle Assembly SKU: 437-0010-00

When a spindle shaft wears out or breaks, your mower blade wobbles, cuts unevenly, and puts destructive stress on the entire spindle housing. This genuine Spartan deck spindle shaft delivers the precision fit your 4-bearing spindle assembly needs to keep blades rotating smoothly and cutting cleanly under load.

Why Genuine Spartan Parts Matter

• Engineered specifically for Spartan RT/SRT and KGZ series mowers—proper bearing surface dimensions and tolerances
• Hardened steel construction handles the rigorous demands of 4-bearing spindle systems
• Factory specifications ensure correct bearing alignment and blade balance
• Direct replacement eliminates guesswork during spindle rebuilds

When you're rebuilding a worn spindle assembly, don't compromise on the shaft that everything else depends on. S&H Parts has been helping commercial mower operators get the right parts for over 50 years—call if you need help confirming fitment for your specific Spartan model.