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Autocut 25-2 Replacement Trimmer Head for Stihl FS80 FS85 FS100

Autocut 25-2 Replacement Trimmer Head for Stihl FS80 FS85 FS100

Regular price $34.23 USD
Regular price $35.06 USD Sale price $34.23 USD
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Upgrade your string trimmer with this heavy-duty Autocut 25-2 Replacement Grass Trimmer Head, engineered as a direct-fit replacement for a wide range of Stihl FS and KM series brush cutters. Constructed from durable plastic and metal, this trimmer head delivers reliable, consistent performance season after season — making lawn maintenance faster and more efficient.

Made in Mainland China.

Key Features

  • Direct Replacement for Stihl Autocut 25-2 (Part Numbers: 4002 710 2191 & 4002 713 9608)
  • Durable Construction: High-quality plastic and metal build for long-lasting performance
  • Universal Fit: Compatible with Stihl FS 44, 45, 56, 70, 80, 81, 83, 85, 86, 87, 90, 100RX, 106, 108, 110, 120, 130, 200, 250 and KM 55, 56, 85, 90, 110, 130
  • Easy Installation: Simple drop-in replacement — no special tools required
  • Precise Thread Fit: 10×1.0mm thread for a secure, wobble-free connection
  • Compact & Lightweight: Measures 120×67mm (4.72×2.64 in) for balanced cutting performance

Specifications

Material Plastic & Metal
Color Black
Dimensions 120 × 67 mm (4.72 × 2.64 in)
Thread 10 × 1.0 mm
Replaces Part No. 4002 710 2191 / 4002 713 9608
Origin Mainland China

Compatible Models

Stihl FS Series: FS 44, 45, 56, 70, 80, 81, 83, 85, 86, 87, 90, 100RX, 106, 108, 110, 120, 130, 200, 250

Stihl KM Series: KM 55, 56, 85, 90, 110, 130

Package Includes

  • 1 × Autocut 25-2 Grass Trimmer Head

Note: Due to manual measurement, please allow 1–3 cm tolerance. Slight color variations may occur due to different screen settings.

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For safe lawn and garden equipment operation, refer to the U.S. Consumer Product Safety Commission – Lawn & Garden Safety guidelines.

Learn more: String trimmer

Frequently Asked Questions

Q: Is this Autocut 25-2 trimmer head compatible with my Stihl FS85?

A: Yes! This replacement trimmer head is specifically designed to be compatible with the Stihl FS85, as well as a broad range of other Stihl FS and KM series models including FS44, FS55, FS80, FS90, FS100, FS106, FS108, FS110, FS130, and more. Always verify the part number (4002 710 2191 or 4002 713 9608) against your existing head before purchasing.

Q: What thread size does this grass trimmer head use?

A: This Autocut 25-2 replacement trimmer head features a 10×1.0mm thread, ensuring a secure and wobble-free fit on all compatible Stihl brush cutter models.

Q: Is the trimmer line included with this replacement trimmer head?

A: No, trimmer line is not included. The package contains 1 × Autocut 25-2 Grass Trimmer Head only. You will need to load your own compatible trimmer line after installation.

Q: How difficult is it to install this replacement trimmer head?

A: Installation is straightforward and tool-free for most users. Simply remove your old trimmer head and thread on the new Autocut 25-2 replacement following your trimmer's standard head-change procedure.

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