Description
Overview:
The Gearbox Cover for Stihl HL75 and HL75K is a genuine Stihl component designed to protect the hedge trimmer's gear housing and extend service life. Manufactured from robust cast metal, it shields the gears, bearings, and seals from impacts, debris, and moisture, helping to prevent premature wear. Purpose-built for Stihl long‐reach hedge trimmers and compatible Kombi attachments, it provides an accurate, secure fit that works with the machine's existing fixings. Using the correct cover maintains gearbox integrity, helps retain lubrication, and supports consistent cutting performance over time. MPN: 4230 640 5803. Suitable for professional grounds maintenance and domestic users who need a reliable replacement for a damaged or worn original cover.
Key Features:
- Genuine Stihl part for assured compatibility and reliability (MPN 4230 640 5803)
- Durable cast metal construction for long-lasting protection
- Shields critical gearbox components from dust, moisture, and impact
- Accurate OEM fit for straightforward installation with existing fixings
- Helps maintain correct lubrication inside the gear housing
- Restores protective function after cracks, dents, or wear
- Supports consistent performance and reduces downtime
- Clean, original-style finish to match the tool
Typical Applications:
Replacing a damaged, cracked, or corroded gearbox cover on Stihl long‐reach hedge trimmers and compatible Kombi head units. Common in landscaping, arboriculture, grounds maintenance, and domestic garden care where hedge cutters face regular contact with branches, sap, and weather. Helps keep contaminants out of the gearbox, preserving smooth drive to the cutting blades and reducing the risk of costly internal wear.
Also known as:
Gearbox lid, gear housing cover, gear case cover, gear head cover, bevel gear cover, transmission cover, hedge trimmer head cover.
Fits Models:
FH-KM, FHKM, HL 100, HL 100 K, HL 45, HL 75, HL 75 K, HL 90, HL 90 K, HL 95, HL 95 K, HL-KM, HL-KM 0 deg, HL-KM0deg, HL100, HL100K, HL45, HL75, HL75K, HL90, HL90K, HL95, HL95K, HLKM
Alternate Part Numbers:
4230-640-5803, 42306405803
Product Specifications
| L&S Part No. | 4230 640 5803 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42306405803 |
| Unit of Sale | 1 |
| Machine Type | Hedgetrimmers |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part ensures compatibility (MPN 4230 640 5803) - Durable cast metal construction protects gearbox components - Shields from dust, moisture, and impact - Accurate OEM fit for easy installation - Suitable for Stihl HL75 and HL75K models |
| Fits Models | HL-KM 0 deg | HL45 | HL75, HL75K | HL90K, HL90, HL95K | HL100, HL100K | HL 0° |
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