The DS100 Thrust Washer (OEM Part No. DS100-1701121) is a wear part designed to control axial loads and friction between moving components within the compatible DS100 gearbox. Manufactured from durable steel, the thrust washer helps maintain proper spacing and positioning while supporting smooth mechanical movement under load. The DS100-1701121 thrust washer is designed for demanding transmission applications involving repeated movement, mechanical pressure, and frictional wear. As a wear component, it is suitable for periodic inspection and replacement during gearbox maintenance. This aftermarket replacement thrust washer provides a practical solution for restoring axial load control, maintaining proper component positioning, and supporting reliable gearbox operation.