This is a brand new OEM washer for Eaton Fuller transmissions, specifically part number 4302312. This washer is made in the United States and comes in a pack of four. It is designed to fit various models and types of Eaton Fuller transmissions, making it a versatile component for your commercial truck's transmission and drivetrain system. This washer is a vital part of ensuring the proper function of your truck's transmission, so you can trust that it will provide reliable performance.