This part replaces obsolete part #: CB336, 191974-7, CB-318 and 191978-9. Description: Set of 2 Carbon Brushes with wire leads and brush springs attached. The set contains genuine Makita replacement parts, and comes packaged in a Makita retail box. rnThis brush set will fit the Makita tools listed at the bottom of the page. Worn brushes frequently are the cause behind a motor running poorly. Replacing brushes can fix a motor that's operating intermittently. New brushes can restore a motor's electric braking.