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 it’s crucial to ensure you’re 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® 55-990

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov