Description
Overview:
The Compression Spring for Stihl FSE 31 and FSE 41 electric trimmers is a small but critical component that maintains the correct tension inside the trimmer head. Made from durable spring steel, it supports smooth line feed and reliable spool retention during everyday use. This Genuine Stihl part (OEM No. 6421 997 2000) is engineered to match the original specification, ensuring consistent performance and an accurate fit. It is ideal for routine maintenance or to replace a weakened or broken spring that can cause poor line advance or head malfunction. Designed for compact electric trimmers, it helps keep cutting performance steady and reduces downtime across regular garden and light landscaping tasks.
Key Features:
- Genuine Stihl OEM component for assured compatibility and longevity
- Precision-wound spring steel for stable preload and consistent tension
- Helps restore reliable line feed and spool retention in the trimmer head
- Direct replacement for OEM No. 6421 997 2000
- Supports smooth bump-head operation and reduces head jams
- Durable construction to withstand repeated compression cycles
- Corrosion-resistant finish for longer service life in outdoor conditions
- Simple to fit using basic hand tools, with no modifications needed
- Cost-effective way to refresh trimmer head performance
- Suitable for regular maintenance schedules and quick repairs
Typical Applications:
Used during head servicing or repair to replace a worn or lost spring in Stihl electric trimmers. Ideal when the line fails to advance, the spool feels loose, or the bump feed becomes inconsistent. Helps maintain safe, dependable trimming around gardens, borders, driveways, and light commercial sites.
Also known as:
Coil spring, helical compression spring, trimmer head return spring, bump feed spring, spool spring, line feed spring, head tension spring.
Fits Models:
FSE 31, FSE 41, TE 310, TE 410
Alternate Part Numbers:
6421-997-2000, 64219972000
Product Specifications
| L&S Part No. | 6421 997 2000 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 64219972000 |
| Unit of Sale | 1 |
| Applications | FSE 31, FSE 41, FSE31, FSE41, TE 310, TE 410, TE310, TE410 |
| Machine Type | Electric Trimmers |
| Fits Brands | Stihl |
| Fits Models | FSE31, FSE 41 | TE 310 | TE 410 |
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