Description
Overview:
The Spring Cassette Assembly is a genuine Husqvarna replacement for the T540XP MK3 and 540XP MK3 chainsaws. It is a compact, pre-assembled spring unit designed to maintain the correct tension within the saw's operating mechanism, helping to keep controls smooth and consistent under load. Built from durable, wear-resistant materials including high-grade spring steel, it is made to withstand repeated cycles and tough site conditions. As an OEM component, it matches the original specification for fit and performance, reducing setup time and the risk of alignment issues. Supplied to Husqvarna's standards under OEM No. 529 64 53 01, it is suitable for routine servicing or repair work where the original spring has weakened, broken, or no longer holds dependable tension.
Key Features:
- Genuine Husqvarna part for assured compatibility and quality (OEM No. 529 64 53 01)
- Pre-assembled cassette for straightforward fitting with common hand tools
- Robust spring steel for high fatigue resistance and long service life
- Precise fit to restore consistent tension and smooth control feel
- Designed for the demanding use typical of professional and domestic chainsaw work
- Helps reduce downtime by replacing the worn spring in a single, contained unit
- Stable performance in dusty, resinous, and vibrating environments
- Suitable for periodic maintenance or reactive repair when tension is lost
Typical Applications:
Used during chainsaw maintenance and repairs to restore correct tension where the original spring has fatigued, snapped, or delivers inconsistent action. Ideal after heavy or prolonged use, or when rebuilding related control components. Helps ensure reliable function for arborists, landscapers, grounds teams, and informed DIY users.
Also known as:
Spring cassette, tension spring cassette, chainsaw spring assembly, return spring cassette, pre-wound spring unit, cassette spring assembly.
Fits Models:
540XP MK3, 540XP Mark III, T540 XP Mark III, T540XP, T540XP MK3
Product Specifications
| L&S Part No. | 529 64 53 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 529645301 |
| Unit of Sale | 1 |
| Applications | 540XP MK3, 540XP Mark III, T540 XP Mark III, T540XP, T540XP MK3 |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Fits Models | T540XP | T540 XP Mark III | 540XP Mark III |
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