Description
Overview:
This Gear Housing is a genuine Stihl replacement part for long‐reach hedge trimmers, designed to protect and support the drive gears at the cutting head. Made from a robust aluminium alloy with a durable silver finish, it provides a stable, accurately machined enclosure that keeps the gear set aligned and protected during heavy trimming work. It is engineered for Stihl long‐reach tools including the HL 145 and HL 94 series, ensuring a direct fit without modification. By maintaining correct gear geometry and shielding the moving parts from debris, this housing helps preserve smooth operation and extend service life. It matches OEM No. 4243 640 0537 and replaces 4243 640 0519, making it a straightforward choice for reliable maintenance on compatible Stihl hedge trimmers.
Key Features:
- Genuine Stihl part for assured compatibility and fit
- Direct replacement for OEM No. 4243 640 0537; replaces 4243 640 0519
- Strong aluminium alloy body for impact and wear resistance
- Precisely cast and machined to keep gears aligned and running smoothly
- Helps protect the gear mechanism from dust, sap, and debris
- Designed for the HL 94 and HL 145 platform, including KombiSystem variants
- Supports efficient power transfer to the cutter bar under load
- Straightforward installation using existing fasteners and seals
- Suitable for professional and domestic users seeking dependable performance
- Maintains original tool balance and head geometry
Typical Applications:
Replacement of a damaged or worn gear housing on Stihl long‐reach hedge trimmers used for hedge cutting, topiary shaping, and shrub maintenance. Ideal for routine overhaul when the head has suffered impact, excessive play, or contamination. Helps restore quiet running, reduce vibration, and protect internal gears for regular landscaping, estate maintenance, and groundskeeping work.
Also known as:
Gear case, gear head housing, gearbox housing, bevel gear housing, drive head housing, cutter head housing, gear cover.
Fits Models:
HL 145, HL 94 C-E, HL 94 K-Z, HL 94 KC-E, HL 94-Z, HL-KM 145, HL145, HL94, HL94C, HL94K, HL94KC, HL94Z
Alternate Part Numbers:
4243 640 0537, 4243-640-0537, 42436400537, 4243 640 0519, 42436400519
Product Specifications
| L&S Part No. | 4243 640 0537 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42436400537 |
| Unit of Sale | 1 |
| Applications | HL 145, HL 94 C-E, HL 94 K-Z, HL 94 KC-E, HL 94-Z, HL-KM 145, HL145, HL94, HL94C, HL94K, HL94KC, HL94Z |
| Machine Type | Hedgetrimmers |
| Fits Brands | Stihl |
| Fits Models | HL94, HL94C, HL94K, HL94KC | HL 145° |
