714-13-18521 (or 7141318521) part number transmission parking brake piston is fully compatible with Komatsu WA250-3 and WA320-3 heavy machinery models.
Designed to ensure stable operation of the parking brake mechanism by correctly directing the brake fluid pressure in transmission systems, this component is engineered to maintain safe stopping performance under heavy site conditions. During part replacement, performing system pressure tests and renewing related O-rings and seals is important for leak tightness.
It is recommended to perform an original catalog match using your chassis number to confirm part compatibility.