Products Description
Brush Cutter Trimmer Head Eyelet for STIHL AutoCut C 26-2 – Replacement Part
Replacement Line Guide for STIHL AutoCut C 26-2 Trimmer Heads
This trimmer head eyelet is a direct replacement component for the line guide on STIHL AutoCut C 26-2 semi-automatic two-line mowing heads . The eyelets are the metal or reinforced plastic outlets through which the nylon cutting line feeds during operation. Over time, eyelets can become worn, damaged, or enlarged from friction and impact, leading to uneven line feed, excessive line breakage, and reduced cutting efficiency. This replacement eyelet restores proper line guidance and smooth operation for STIHL FS brushcutters and compatible equipment.


Technical Profiles & Materials
Direct Replacement for STIHL AutoCut C 26-2 – This eyelet is specifically designed to fit the STIHL AutoCut C 26-2 trimmer head, replacing worn or damaged line guide outlets. The C 26-2 is a semi-automatic two-line mowing head used on a wide range of STIHL brushcutters and clearing saws.
Restores Smooth Line Feed – Worn eyelets can cause uneven line release or increased line breakage. Replacing the eyelet ensures the 2.4mm or 2.7mm nylon line feeds cleanly and consistently, maintaining the bump-feed function of the trimmer head.
Durable Construction – Manufactured from robust, wear-resistant materials designed to withstand the high-speed rotation and abrasive contact with grass, weeds, and debris during trimming operations. The eyelet protects the housing from line wear and extends the service life of the trimmer head.
Easy Installation – The eyelet can be replaced without needing to fully disassemble the trimmer head. This allows for quick repairs in the field or workshop, minimising downtime during cutting tasks. For the C 26-2, lines are loaded by inserting them through the eyelets and twisting the knob, without opening the head.
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | Compatible Trimmer Head | STIHL AutoCut C 26-2 |
| 2 | Part Function | Line guide eyelet / outlet |
| 3 | Line Diameter Support | 2.4 mm (0.095″) or 2.7 mm |
| 4 | Line Capacity (2.4mm) | Up to 8.0 metres |
| 5 | Line Capacity (2.7mm) | Up to 7.0 metres |
| 6 | Material | Wear-resistant metal or reinforced plastic |
| 7 | Thread Fitment | M10 x 1.0mm Left-hand thread |
| 8 | OEM Replacement Ref. | 4002 710 2169 / 4002 710 2137 |
Products Application

Trimmer Head Restoration
Direct replacement when the original eyelet becomes worn, cracked, or enlarged. A damaged eyelet can cause the nylon line to feed unevenly, leading to excessive line breakage, poor cutting performance, and vibration. Replacing the eyelet restores smooth line feed and efficient trimming on STIHL FS brushcutters and KombiTools.

Professional Landscaping & Grounds Maintenance
For landscaping contractors and grounds maintenance crews using STIHL AutoCut C 26-2 heads, eyelet wear is a common issue. This replacement part allows for quick on-site repairs, minimising downtime and ensuring consistent cutting performance during extended trimming sessions.

Preventative Maintenance
Replacing worn eyelets proactively prevents damage to the trimmer head housing and ensures the nylon line feeds correctly. The C 26-2 features easy line loading by inserting the line through the eyelets and twisting the knob, without opening the head.
Quality and Craftsmanship Details



Products Package

About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
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FAQ
Q: How do I confirm this eyelet fits my trimmer head?
A:Check that your trimmer head is the STIHL AutoCut C 26-2 model. The eyelet is designed specifically for this head, which fits FS, FSA, FR, and KM series brushcutters with an M10 x 1.0mm left-hand thread fitment.
Q: What are the symptoms of a worn eyelet?
A: Common symptoms include the nylon line breaking frequently, the line failing to feed when tapped, uneven line lengths on each side of the head, or visible damage to the eyelet. A worn eyelet can cause the line to drag, snag, or cut prematurely, reducing cutting efficiency and increasing line consumption.
Q: How do I replace the eyelet on the C 26-2 head?
A: The eyelet can typically be removed and replaced without fully disassembling the head. The C 26-2 is designed for easy maintenance, and line is loaded from the outside by inserting it through the eyelets. If you are unsure, refer to the STIHL AutoCut C 26-2 user manual for the correct procedure.
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