Description
Overview:
This Chain Sprocket Cover is a genuine Stihl spare part (4138 640 1703) for the drive end of Stihl pole pruners, including HT 70 and HT 75. It is built to OEM standards with a durable housing designed to cope with pruning debris and regular outdoor use. The cover shields the chain drive and sprocket area to help prevent impact damage and contamination from sap, chips, and dirt, supporting smooth running and reduced wear. It is a direct replacement part that fits using the machine's existing fixings, making it straightforward to swap over during routine maintenance. As a Genuine Stihl component, it offers reliable fit and performance, helping you keep your pole pruner operating efficiently for longer.
Key Features:
- Genuine Stihl OEM part for assured fit, compatibility, and reliability
- Robust construction to handle demanding pruning and grounds maintenance work
- Protects the chain sprocket and drive area from debris and accidental knocks
- Helps maintain clean operation, supporting chain performance and service life
- Direct replacement design; fits with existing hardware for quick installation
- Suitable for a wide range of Stihl HT and HTE pole pruner models listed below
- Supports safe maintenance by enclosing the chain drive side of the cutting head
- Built to Stihl specifications for consistent results in professional and DIY use
Typical Applications:
Used on Stihl pole pruners for tree pruning, crown lifting, and general grounds maintenance. Ideal for replacing cracked, worn, or missing covers to restore safe operation and protect the sprocket during work in parks, gardens, orchards, and commercial landscaping. Suitable for tradespeople, arborists, facilities teams, and homeowners maintaining tall hedges or branches.
Also known as:
Sprocket guard, chain cover, protective cover, clutch cover, chain side cover, side cover, side casing, drive cover.
Fits Models:
HT 70, HT 70K, HT 73, HT 75, HT-KM, HT 101, HT 130, HT 131, HT 56 C, HTE 60
Alternate Part Numbers:
4138-640-1703, 41386401703
Product Specifications
| L&S Part No. | 4138 640 1703 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 41386401703 |
| Unit of Sale | 1 |
| Applications | HT 101, HT 130, HT 131, HT 56 C, HT 70, HT 70K, HT 73, HT 75, HT-KM, HT-KM Pole Pruner, HT101, HT130, HT131, HT56 C, HT56C, HT70, HT70K, HT73, HT75, HTE 60, HTE60, HTKM |
| Machine Type | Pole Pruners |
| Fits Brands | Stihl |
| Fits Models | HT56 C | HT70, HT70K, HT75 | HT73 | HT101 | HT130 | HT131 | HTE60 | HT-KM Pole Pruner | HT |
