Oregon 55-520 KNOB,BUMP FOR 55-989 NetSuite-ID_664077 conduit size: 3/16"

conduit size: 3/16"

Round trimmer line – the most popular trimmer line shape

Replaces Honda 34150-ZH7-003

Fits 60" side discharge on Lazer Z series

Outer Diameter: 3-11/16"

Oregon 55-520 KNOB,BUMP FOR 55-989 NetSuite-ID_664077 conduit size: 3/16"This 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.