1690740 Simplicity Lawn Tractor - Overview

This OEM valve stem regulates air flow in and out of tires, allowing for inflation and deflation. It features an 11.5mm outer diameter, 31.75mm total length, and 22.35mm effective length. It is a metal valve with a threaded plastic cap, housed in plastic. To determine if a valve stem is broken, you can check for signs of damage or leakage...Read more. Signs of a broken valve stem include cracks, bends, or air leakage, which should be replaced to prevent tire deflation and operational issues. To remove the valve stem, fully deflate the tire first. Then, disconnect the tire from the rim to access the inner part of the rim. You may need to unthread any securing nuts if present. Use a pair of pliers to grip at the base of the valve stem and then unscrew it from the rim hole.

This is an authentic OEM sourced replacement part that is intended to be used with lawn tractors from Murray, Snapper, and Simplicity. The durable rubber tube inserts between the wheel/rim and the tire. This item inflates to provide structure and to act as a cushion between the tire and rim. This tube is sold as an individual replacement part.