O-ring 42 213193-6

This is an authentic manufacturer sourced replacement part which is designed for use with Makita demolition hammers. It helps to provide an air tight seal between two connected parts, for correct application make sure to check appropriate diagrams of your model. Over time gaskets and o-ring tend to wear out and crack eventually requiring replacement, inspect the seals periodically and replace them as needed to maintain peak performance. It is a high-quality component which is made of durable rubber material and it is sold individually.