Caterpillar Incorporated 6Y-1223 Thrust Washer

The Caterpillar 6Y-1223 thrust washer is an OEM Cat part with a 42.9 mm size designation, listed in Cat Parts Store as 6Y-1223: 42.9mm Thrust Washer in the Washers & Spacers category. As a genuine Caterpillar component, it is intended to function as a precise axial thrust surface within Cat assemblies, helping to locate and space rotating elements while transmitting axial loads. The part number 6Y-1223 (also shown as 6Y1223) identifies the exact replacement for equipment that requires this specific washer, ensuring compatibility with Caterpillar service information and authorized distributors. Available through Cat’s official parts channels and trusted aftermarket suppliers, the 6Y-1223 is designed for use when the original washer has worn or been damaged, restoring correct shaft alignment and maintaining smooth operation of related driveline or hydraulic subsystems in Cat equipment.