Description
Overview:
The Piston Assembly for Husqvarna T540 XP II chainsaws is a critical engine component that seals the combustion chamber and maintains compression for reliable power. This genuine Husqvarna part is engineered from high‐quality, heat‐resistant materials for durability under demanding use. It is a direct replacement for OEM No. 586 44 62-04 and is sized for a 40 mm (1.57 in) bore to ensure an accurate fit and smooth operation. Designed specifically for the Husqvarna T540 XP II and T540XPII, it helps restore efficient performance when replacing worn or damaged internal parts. Suitable for routine maintenance or a top‐end refresh, it supports consistent starting, clean running, and dependable cutting performance in professional and domestic applications.
Key Features:
- Genuine Husqvarna part for assured fit and performance
- Direct replacement for OEM No. 586 44 62-04
- 40 mm (1.57 in) diameter for precise cylinder matching
- Manufactured from durable, heat‐resistant materials for long service life
- Helps restore compression, power delivery, and fuel efficiency
- Consistent tolerances to reduce vibration and wear
- Suitable for regular maintenance or full top‐end rebuilds
- Designed for straightforward fitting by competent users with standard tools
Typical Applications:
Used during engine overhauls or when symptoms such as low compression, hard starting, reduced power, or excessive smoke indicate piston wear or damage. Ideal for routine maintenance schedules on professional arborist saws and for repairing machines used in landscaping, grounds maintenance, and tree surgery where reliable cutting performance is essential.
Also known as:
Piston assy D40 Type Hk, 40 mm piston for T540 XP II, chainsaw piston assembly, cylinder piston for Husqvarna T540XPII. Often referred to as a top‐end piston replacement for restoring compression and performance on compatible Husqvarna 40 mm bore engines.
Fits Models:
T540 XP II, T540XPII
Alternate Part Numbers:
586 44 62-04, 586 44 62 02, 586446204, 586446202
Product Specifications
| L&S Part No. | 586 44 62 04 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 586446204 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Key Features | - Genuine Husqvarna part ensures correct fit and performance - Direct replacement for OEM No. 586 44 62-04 - 40 mm diameter for precise cylinder matching - Heat-resistant materials for long service life - Suitable for T540 XP II and T540XPII models |
| Fits Models | T540XPII |
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