Caterpillar 8E-8311 Thrust Washer

Caterpillar 8E-8311 Thrust Washer is a genuine Cat thrust washer (disc) designed to bear axial loads between rotating components in Cat machinery, helping maintain precise clearance and smooth operation in drive and braking assemblies. Cataloged as a Thrust Washer in Caterpillar’s 8E-series parts lineup, this CAT wear part serves as a dedicated axial-load support within the equipment’s rotating assemblies. The 8E-series family includes related thrust washers such as 8E-8310 (42.9 mm inner diameter) and 8E-8317 (65.5 mm ID), illustrating the range of bore sizes available for different Cat applications. For exact bore, outer diameter, thickness, and fitment for your machine, consult the Cat Parts Store or your equipment’s parts diagram to confirm proper replacement.