Description
Overview:
This genuine Husqvarna spring is a direct replacement part designed to maintain correct tension and smooth operation inside your brushcutter. Made from durable metal for dependable performance, it helps restore proper function when the original spring has fatigued or broken. Suitable for Husqvarna brushcutters such as the 143R and 122R, it is manufactured to OEM standards for fit and reliability. Identified by Husqvarna part numbers 537 17 43 01 and 537174301, it fits selected machines across the 122/142/143 and professional ranges. Use it during routine servicing or repair to keep mechanisms working as intended and reduce downtime. As a Genuine Husqvarna Part, it matches the original specification and installs as a like-for-like replacement following the machine's service manual.
Key Features:
- Genuine Husqvarna OEM part for assured compatibility and quality
- Durable metal construction for reliable tension and long service life
- Precisely formed coil for consistent action under load
- Direct-fit replacement; no modifications required
- Helps restore correct function of internal mechanisms
- Stable performance under typical brushcutter vibration and temperatures
- Compatible with a wide range of Husqvarna brushcutter models
- Easy to handle and fit with standard workshop tools
- Supports efficient cutting performance by keeping mechanisms within spec
- Supplied under MPN 537 17 43 01 / 537174301 for clear identification
Typical Applications:
Used during maintenance or repair of Husqvarna brushcutters to replace a fatigued or broken spring. Helps resolve issues such as slack controls, inconsistent engagement, or reduced cutting efficiency. Suitable for professional landscaping, grounds maintenance, forestry support work, and domestic garden care where reliable brushcutter performance is required.
Also known as:
Brushcutter tension spring, coil spring, return spring, OEM Husqvarna spring, 143R spring, replacement spring for brushcutter mechanisms.
Fits Models:
122R, 142R, 143R, 143RS, 143RST, 326 AI 25, 326AI25, 343FRM, 525RX Mark II, 525RXT Mark II, 525RXTMarkII
Alternate Part Numbers:
537174301
Product Specifications
| L&S Part No. | 537 17 43 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 537174301 |
| Applications | 122R, 142R, 143R, 143RS, 143RST, 326 AI 25, 326AI25, 343FRM, 525RX Mark II, 525RXT Mark II, 525RXTMarkII |
| Machine Type | Brushcutters |
| Fits Brands | Husqvarna |
| Fits Models | 142R | 326 AI 25 | 525RX Mark II | 525RXT Mark II | 343FRM | 122R | 143RS | 143RST |
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