This spindle shaft weldment is an aftermarket replacement for compatible Ariens and Gravely mower deck spindle assemblies. It belongs to the blade spindle system on the deck and provides the shaft structure needed to support proper blade rotation during mowing. Built to match OEM The weldment is made to match the original part’s form, fit, and function for the correct deck application. Shaft surfaces and mounting geometry are built to align with the existing spindle components, so it installs in place of the worn or damaged part without changing the deck setup. Installation Installation is a straightforward deck spindle repair for a DIY mechanic with normal shop tools. Remove the deck components as needed, replace the spindle shaft weldment, and reassemble using the existing hardware and related serviceable parts if they are still in good condition. .product-description-v2 { font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica, Arial, sans-serif; color: #1d1d1d; line-height: 1.55; max-width: 720px; } .product-description-v2 > div { margin-bottom: 18px; } .product-description-v2 h3 { font-size: 16px; font-weight: 700; color: #1d1d1d; margin: 0 0 8px; } .product-description-v2 p { margin: 0; font-size: 15px; } @media (max-width: 768px) { .product-description-v2 { font-size: 15px; } }