This is a 5/16" right-hand bump knob replacement for the Oregon® 55-994 Bump and Go Trimmer Head. 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.

• 5/16" Right-hand bump knob
• Used for Oregon® 55-994 Bump and Go Trimmer Head
• For curved shaft trimmers with extended spindle shafts
• Fits Homelite, Ryobi, MTD and McCulloch
• This part ensures proper fit and performance to maintain the life of your equipment

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