Oregon 55-520 KNOB,BUMP FOR 55-989 NetSuite-ID_664077 Fits 60" side discharge on

Fits 60" side discharge on Lazer Z series

Z-bend on one end

Gravely and John Deere

Contoured design for anti scalping

Sealed Premium

Oregon 55-520 KNOB,BUMP FOR 55-989 NetSuite-ID_664077 Fits 60" side discharge onThis bump knob is a replacement part for lighting Load Trimmer Heads. Oregon replacement parts are built to meet or exceed OEM standards. Many parts look similar, so its crucial to ensure youre choosing the right replacement for your original equipment or engine model. Not sure? Use our Parts Lookup Tool to view part diagrams and find the correct replacement. Durable replacement part Use with Oregon 55 989 WARNING: Cancer and Reproductive Harm www.