Description
Overview:
This Genuine Husqvarna Piston Assembly is designed for the 545 Mark II and 550 XP Mark II chainsaws. Made from durable aluminium alloy and machined to tight tolerances, it restores correct compression and smooth running when the original piston is worn, scuffed, or damaged. Built to OEM specification (Husqvarna 582 64 56 02), it delivers a precise fit and dependable sealing inside the original cylinder. Supplied as a complete set with piston, piston ring, wrist (gudgeon) pin and circlips, it enables a straightforward top-end refresh with minimal downtime. Suitable for professional users and DIY owners alike, this part helps maintain power, starting performance and fuel efficiency in demanding cutting tasks on site, in the workshop, or in the garden.
Key Features:
- Genuine Husqvarna part (OEM 582 64 56 02) for assured compatibility and quality
- Durable aluminium alloy construction for long service life
- Precision finishing supports reliable compression and clean combustion
- Complete assembly (piston, ring, wrist pin, circlips) for an efficient repair
- Direct fit to the original cylinder and con-rod with no modification required
- Helps restore power, throttle response and easier starting after wear or scoring
- Designed for consistent performance in both professional and domestic use
- Suitable for heated-handle variants (G and XPG) within the same model families
Typical Applications:
Used to replace a worn, seized, or scored piston during a top-end rebuild. Ideal after overheating, oil starvation, or loss of compression. Helps recover cutting performance, reduce smoke, and stabilise idle on Husqvarna 545/550 Mark II platforms used for felling, limbing, logging, firewood preparation, and grounds maintenance.
Also known as:
Piston kit, engine piston, piston and ring set, top-end kit, piston and gudgeon pin set, wrist pin and circlip set, replacement piston assembly for Husqvarna 50 cc-class saws, top-end rebuild piston.
Fits Models:
545 Mark II, 545G Mark II, 550XP Mark II, 550XPG Mark II
Alternate Part Numbers:
582645602
Product Specifications
| L&S Part No. | 582 64 56 02 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 582645602 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Key Features | - Genuine Husqvarna part for 545/550 Mark II chainsaws - Durable aluminium alloy construction for longevity - Complete assembly includes piston, ring, wrist pin, circlips - Direct fit with no modification required - Restores power and fuel efficiency after wear |
| Fits Models | 550XP Mark II | 545 Mark II | 545G Mark II | 550XPG Mark II |
