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Stihl Autocut 46-2 Replacement Trimmer Head | FS160–FS480
Stihl Autocut 46-2 Replacement Trimmer Head | FS160–FS480
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Replacement String Trimmer Head for Stihl Autocut 46-2 Series
Keep your Stihl string trimmer running at its best with this precision-engineered replacement trimmer head. Designed as a direct drop-in substitute for the Stihl Autocut 46-2 head (OE number 4003 710 2189), this part snaps in place of the original — no modifications required. Whether your current head is worn, cracked, or simply underperforming, this replacement restores full cutting efficiency quickly and affordably.
Made in Mainland China.
Key Features
- Wide Compatibility: Fits Stihl FS160, FS220, FS280, FS290, FS300, FS310, FS350, FS360, FS400, FS410, FS450, FS460, FS480 and Stihl Autocut 40-2 & 46-2 trimmer heads.
- Direct OE Replacement: Matches OE number 4003 710 2189 for a seamless, tool-free swap with no additional hardware needed.
- Durable ABS Construction: High-quality ABS plastic resists wear, impact, and everyday yard-work stress, ensuring a long service life.
- High-Accuracy Design: Precision-crafted to tight tolerances for stable, consistent performance with every use.
- 2.7 mm Round Wire Compatible: Optimized for use with 2.7 mm round trimmer line for a clean, efficient cut.
- Extends Machine Life: A fresh trimmer head reduces stress on the drive shaft and motor, helping to extend the overall life of your trimmer.
Specifications
| Item Type | String Trimmer Head |
| Material | ABS Plastic |
| Dimensions | Approx. 16 × 16 × 7.5 cm (6.3 × 6.3 × 3.0 in) |
| Weight | Approx. 650 g (22.9 oz) |
| Line Diameter | 2.7 mm Round Wire |
| OE Number | 4003 710 2189 |
| Compatible Models | Stihl FS160, FS220, FS280, FS290, FS300, FS310, FS350, FS360, FS400, FS410, FS450, FS460, FS480; Autocut 40-2, 46-2 |
Package Contents
- 1 × Replacement Trimmer Head
Safety & Tool Use
Always wear appropriate personal protective equipment — including eye protection and gloves — when installing or operating string trimmer equipment. For general outdoor power equipment safety guidelines, visit the U.S. Consumer Product Safety Commission (CPSC) Lawn & Garden Safety page.
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Frequently Asked Questions
Q: Which Stihl trimmer models is this replacement trimmer head compatible with?
A: This replacement trimmer head is compatible with Stihl FS160, FS220, FS280, FS290, FS300, FS310, FS350, FS360, FS400, FS410, FS450, FS460, and FS480 models, as well as Stihl Autocut 40-2 and Autocut 46-2 trimmer heads. Always verify your OE number (4003 710 2189) before ordering to ensure a perfect fit.
Q: What trimmer line size does this head use?
A: This trimmer head is designed to work with 2.7 mm round trimmer line for optimal cutting performance. Using the correct line diameter ensures reliable feeding and consistent cutting results.
Q: Is this a direct bolt-on replacement or does it require modification?
A: This is a direct OE replacement for part number 4003 710 2189. It is designed to install directly in place of your original Stihl trimmer head with no modifications or additional hardware required, making replacement quick and straightforward.
Q: What material is this replacement trimmer head made from?
A: It is made from high-quality ABS plastic, which provides excellent durability, wear resistance, and a long service life under regular outdoor use conditions.
