Description
Overview:
This clutch drum is a genuine Stihl replacement part for HS 81 series hedge trimmers, including HS 81 R and HS 81 RC. It is a robust steel drum that interfaces with the clutch shoes to transfer engine drive smoothly to the gearbox and blades. Built to Stihl's OEM standards, it helps maintain smooth engagement, reduces vibration, and supports consistent cutting performance under frequent start-stop use. It is designed as a direct-fit replacement for worn or damaged drums, restoring reliable operation without modification. Stihl references include 4237 160 2901 and 4237 160 2902, covering common variants used across compatible HS models. Ideal for routine maintenance or repair, this part keeps professional and domestic hedge trimmers working efficiently and safely.
Key Features:
- Genuine Stihl OEM part for assured fit and performance
- Correct fitment for selected HS 81/82/86/87 hedge trimmers
- Durable steel construction for long service life
- Precision-machined drum for smooth clutch engagement
- Helps reduce chatter and slippage under load
- Direct replacement for worn drums; no modifications required
- Supports consistent power transfer to the blade drive
- Suitable for regular maintenance schedules and overhauls
- Replaces Stihl references 4237 160 2901 and 4237 160 2902
- Reliable choice for professional landscaping and grounds care
Typical Applications:
Used when the hedge trimmer shows signs of clutch slippage, scoring inside the drum, excessive noise on engagement, or inconsistent drive to the blades. Common during mid-life servicing, after heavy commercial use, or following contamination by debris. Suitable for professional gardeners, landscapers, estate maintenance teams, and informed DIY users maintaining Stihl HS 81 series machines.
Also known as:
Clutch bell, drive drum, sprocket drum, clutch housing, clutch cup, hedge trimmer clutch drum, replacement clutch drum. These terms describe the drum that houses the clutch shoes and mates with the drive to transmit power from the engine to the cutting system.
Fits Models:
HS 81, HS 81 R, HS 81 RC, HS 82, HS 86, HS 86 R, HS 87
Alternate Part Numbers:
4237-160-2902, 4237 160 2901, 42371602902, 42371602901
Product Specifications
L&S Part No. | 4237 160 2902 |
---|---|
Part Type | Genuine Part |
Manufacturer | Stihl |
OEM No. | 42371602902 |
Unit of Sale | 1 |
Applications | HS 81, HS 81 R, HS 81 RC, HS 82, HS 86, HS 86 R, HS 87, HS81, HS81R, HS81RC, HS82, HS86, HS86R, HS87 |
Machine Type | Brushcutters |
Fits Brands | Stihl |
Fits Models | HS81, HS86 | HS82 | HS87 |