STIHL Clutch Drum / Clutch Bell – OEM 4237 160 2902 / 4237 160 2901
Genuine STIHL Drive Drum for HS 81, HS 82, HS 86 & HS 87 Hedge Trimmers
Restore smooth power transfer and reliable cutting performance with this genuine STIHL clutch drum (OEM part numbers 4237 160 2902 & 4237 160 2901). Designed for STIHL HS-series hedge trimmers, this clutch bell / drive drum ensures efficient engagement between the engine and blade drive system.
🔧 Product Overview
The STIHL clutch drum 4237 160 2902 is a precision-machined steel drive component that works with the clutch shoes to transfer engine power to the gearbox and cutting blades. Built to STIHL’s OEM standards, it ensures smooth engagement, reduced vibration, and consistent cutting performance—even under heavy, stop-start professional use.
Over time, clutch drums can wear, score, or cause slippage. Replacing with this genuine STIHL clutch bell restores efficient drive, quieter operation, and reliable performance.
✅ Key Features
- Genuine STIHL OEM Part – Guaranteed fit, quality, and durability
- Part Numbers: 4237 160 2902 & 4237 160 2901 (also listed as 42371602902 / 42371602901)
- Heavy-Duty Steel Construction – Built for long service life in demanding conditions
- Precision-Machined Drum – Ensures smooth clutch engagement and reduced chatter
- Efficient Power Transfer – Maintains consistent drive to blades
- Reduces Vibration & Slippage – Improves performance under load
- Direct Replacement Fit – No modifications required
- Ideal for Maintenance & Repairs – Perfect for worn or damaged clutch systems
⚙️ Compatibility
This STIHL clutch drum / drive bell fits a range of hedge trimmers, including:
- STIHL HS 81 / HS 81 R / HS 81 RC
- STIHL HS 82
- STIHL HS 86 / HS 86 R
- STIHL HS 87
(Always verify part number before purchase to ensure compatibility.)
🛠️ Typical Applications
- Replacing worn or scored clutch drums
- Fixing clutch slippage or inconsistent blade drive
- Reducing noise and vibration during operation
- Routine hedge trimmer servicing and overhaul
- Professional landscaping and grounds maintenance equipment repair
🔄 Also Known As
- STIHL clutch bell
- Hedge trimmer drive drum
- Clutch housing / clutch cup
- Sprocket drum
- Blade drive drum
🌲 Why Choose Genuine STIHL Parts?
Using a genuine STIHL clutch drum 4237 160 2902 ensures:
- Perfect OEM fit and alignment
- Smooth, reliable clutch engagement
- Maximum durability under heavy workloads
- Longer lifespan compared to aftermarket alternatives
📦 Product Specifications
- Manufacturer: STIHL
- Part Numbers: 4237 160 2902 / 4237 160 2901
- Alternate Formats: 42371602902 / 42371602901 / 4237-160-2902
- Part Type: Clutch Drum / Clutch Bell / Drive Drum
- Material: High-strength steel
- Unit of Sale: 1
- Machine Type: Hedge Trimmer
- Fits Brand: STIHL
🚚 Built for Professional Performance
This STIHL HS81 / HS82 / HS86 clutch drum replacement is ideal for professional landscapers, contractors, arborists, and homeowners who demand consistent, reliable cutting performance.
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