This Genuine Husqvarna piston assembly is a direct replacement top-end component for selected petrol chainsaws, including the Husqvarna 555 and 560XP. The piston is manufactured from a durable aluminium alloy for strength with low weight, helping the engine rev freely and maintain good heat transfer. Supplied as a complete assembly with piston rings, gudgeon pin, and circlips, it restores correct compression and smooth running when the original piston is worn, scored, or damaged. Designed for 2‐stroke engines, it fits and operates exactly as the factory part. Identified by MPN 584 80 78‐06 (584807806), it offers reliable compatibility for professional forestry, arb work, and demanding domestic use where consistent power and easy starting are required.

Key Features:
- Genuine Husqvarna part for assured fit and performance (MPN 584 80 78‐06)
- Aluminium alloy piston with hard-wearing rings for durability and efficient sealing
- Complete assembly supplied with gudgeon pin and circlips for straightforward replacement
- Precision-made to restore compression, power delivery, and throttle response
- Helps reduce blow-by and oil residue for cleaner running in 2‐stroke applications
- Compatible with specified models without modification when used with the matching cylinder
- Robust construction supports long service intervals under professional use
- Cost-effective fix for top-end wear, seizure damage, or scoring

Typical Applications:
Used during top-end rebuilds on Husqvarna chainsaws to replace a worn or damaged piston. Ideal after loss of compression, hard starting, reduced power, or visible cylinder scoring. Suitable for routine overhaul in forestry, landscaping, arborist work, and heavy domestic cutting where reliability and consistent output are essential.

Also known as:
Piston kit, engine piston, cylinder piston, top-end piston kit, 2‐stroke piston assembly, replacement piston with rings, gudgeon pin and circlips, chainsaw piston set.

Fits Models:
555, 556, 560XP, 560XPG, 562XP, 562XPG