Description
Overview:
This gear housing is the factory replacement casing for the cutter head drive on selected Stihl HS 82 R and HS 87 R hedge trimmers. Built as a genuine Stihl component, it is engineered to the original specifications for correct alignment and support of the gear mechanism at the blade end. The robust cast alloy body is designed for outdoor use and regular service conditions, helping to protect the internal gears from impact, debris, and premature wear. Using the correct housing restores smooth, efficient blade drive and helps maintain lubrication where required. OEM No. 4237 640 0504 ensures a precise match to the original part, making it suitable for both professional users and homeowners carrying out routine maintenance or a head rebuild.
Key Features:
- Genuine Stihl part for assured fit, function, and compatibility (OEM 4237 640 0504)
- Durable cast alloy construction for impact and wear resistance in demanding work
- Accurate seating and alignment for the cutter head gear train to support smooth operation
- Corrosion-resistant materials suitable for outdoor landscaping environments
- Designed to accept existing OEM fasteners and seals from the original assembly
- Direct replacement for worn, cracked, or damaged gear housings in the HS 82 R/HS 87 R family
- Helps reduce vibration and noise caused by misalignment or housing damage
- Straightforward installation with basic tools to minimise downtime
Typical Applications:
Replacement of a damaged or worn cutter head gear housing during servicing, refurbishment after impact or heavy use, and preventative maintenance to restore smooth blade drive. Suitable for hedge trimming tasks in landscaping, grounds maintenance, and domestic garden care where reliable performance and longevity are required.
Also known as:
Gearbox housing, gear case, cutter head housing, bevel gear casing for hedge trimmers, Stihl HS gear casing, head gear cover.
Fits Models:
HS 82 R, HS 82 R-Z, HS 82 RC-E, HS 87 R, HS 87 R-Z, HS82, HS82R, HS87, HS87R
Alternate Part Numbers:
4237 640 0504, 4237-640-0504, 42376400504
Product Specifications
| L&S Part No. | 4237 640 0504 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42376400504 |
| Unit of Sale | 1 |
| Machine Type | Brushcutters |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part ensures fit and compatibility (OEM 4237 640 0504) - Cast alloy construction resists impact and wear - Supports smooth gear operation with accurate alignment - Corrosion-resistant for outdoor use - Fits Stihl HS 82 R and HS 87 R models |
| Fits Models | HS82 | HS87 |
