Description
Overview:
This head gasket is a genuine Husqvarna part for the 357XP and 359 chainsaws. It forms a tight seal in the engine to maintain compression and prevent leaks of combustion gases, fuel mix, and oil. Made from durable gasket material designed to handle heat, vibration, and pressure in two‐stroke engines, it helps keep your saw running smoothly and reliably. As a genuine part, it matches the original fit and thickness for correct squish and performance, reducing the risk of air leaks that can harm the engine. Suitable for top‐end refreshes or routine maintenance, it is an OEM component with references 503 96 66‐01 and 503966601. Choose this gasket when rebuilding or servicing the cylinder assembly to restore consistent power and dependable starting.
Key Features:
- Genuine Husqvarna part for assured fit, compatibility, and quality
- Maintains proper compression and prevents fuel/oil and gas leaks
- Durable construction to withstand heat cycles and vibration
- Helps restore performance, throttle response, and easy starting
- Consistent thickness for correct sealing and combustion efficiency
- Smooth edges and accurate port/bolt hole alignment for a clean fit
- Suitable for routine maintenance or top‐end rebuilds
- Supplied to OEM specification under 503 96 66‐01 / 503966601
Typical Applications:
Used during engine servicing, cylinder removal, or rebuilds on Husqvarna chainsaws to cure air leaks, low compression, or contamination between mating surfaces. Ideal for preventative maintenance after heavy use, heat stress, or when refitting the cylinder to maintain reliable cutting performance.
Also known as:
Cylinder head gasket, top‐end gasket, combustion chamber gasket, sealing gasket, engine gasket, head seal.
Fits Models:
357XP, 359
Alternate Part Numbers:
503 96 66-01, 503966601
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