Description
Overview:
The Crankcase, Drive End is a genuine Stihl OEM replacement housing for the drive side of the engine on selected petrol hedge trimmers, including the HS82 and HS87. This durable cast metal case forms the structural body around the crankshaft, keeping bearings and oil seals correctly aligned while shielding the engine internals from dust, debris and impact. As an original Stihl component (part no. 4237 020 2902), it matches the factory geometry, threaded bosses and mounting points, ensuring a precise fit with the mating crankcase half, clutch/gear drive, recoil unit and external covers. Built for frequent use in demanding conditions, it restores correct tolerances and primary crankcase sealing for reliable starting, smooth running and long service life. A straightforward choice when repairing damage or completing a full engine rebuild.
Key Features:
- Genuine Stihl OEM part for an exact-fit repair on HS82/HS87 (drive-end crankcase half)
- Robust cast metal alloy construction for strength, rigidity and impact resistance
- Preserves crankshaft and bearing alignment to reduce wear and vibration
- Maintains primary crankcase sealing for dependable starting and stable idle
- Protects engine internals from dust, debris and moisture ingress in tough conditions
- Direct replacement for damaged or cracked housings, or stripped mounting points
- Matches original mounting points, threads and clearances for quick, accurate assembly
- Accepts OEM bearings, seals, fasteners and covers; follow the Stihl service manual
- Built to OEM quality standards for durability and long service life
- Stihl reference: 4237 020 2902; recognised alternates listed below
Typical Applications:
Replacement of a worn, cracked or distorted drive-side crankcase on Stihl hedge trimmers. Used during engine rebuilds to correct air leaks, hard starting, poor idle or vibration caused by damaged housings or bearing seats. Suitable for professional maintenance and DIY repairs to keep machines productive and reliable.
Also known as:
Crankcase half (drive side), engine housing (clutch side), crank housing, motor casing, engine body, side case, drive-side engine case.
Fits Models:
HS82, HS87
Alternate Part Numbers:
4237-020-2902, 42370202902
Product Specifications
| L&S Part No. | 4237 020 2902 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42370202902 |
| Unit of Sale | 1 |
| Machine Type | Hedgetrimmers |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl OEM part for HS82/HS87 hedge trimmers - Cast metal alloy construction for strength and impact resistance - Ensures crankshaft and bearing alignment to reduce wear - Maintains primary crankcase sealing for reliable starting - Protects engine internals from dust and debris ingress |
| Fits Models | HS82 | HS87 |

