The retaining ring goes next to the washer and the roller. This part is available individually and is made of metal. This is an original Simplicity and Snapper part for use in snowblowers, tractors, and mowers. During replacement, it may require a set of pliers and a screwdriver to help install this part correctly. It may become broken and will need to be replaced.
This is an authentic replacement part, sourced from the original manufacturer for use with lawnmower engines. The special seal is commonly used to prevent oil leaks at the connection between the axle and the transmission case assembly. This item is available as an individual replacement part, please note two seals may be required.