Ford E4OD Washer Kit This washer kit includes the washers for your E4OD/4R100 Transmission. You should replace your washers if they look worn or have any scoring. This Washer kit is the 4 pinion set, NOT the 6 pinion set. If you are looking for any other E4OD/4R100 parts please check out our store and if you don't see what you need there please contact us and we will help you out.