Description
Overview:
This genuine Husqvarna sealing component is designed for Husqvarna chainsaws in the 340 and 345 family, helping to keep engine assemblies airtight and oil-tight for reliable running. Made from a durable, oil- and fuel-resistant elastomer with a rigid reinforcement for stability, it prevents unwanted air or fluid leaks that can affect starting, idling, and overall performance. The precise OEM dimensions ensure a secure fit and correct operation within the engine housing. Suitable for routine servicing or a targeted repair, it restores proper sealing integrity after wear, heat cycling, or vibration. Compatible with several mid-range saws used by trades, arborists, and home users, it is an ideal maintenance part for keeping your saw efficient and dependable in everyday use.
Key Features:
- Genuine Husqvarna part for assured fit and compatibility on specified models
- Oil- and petrol-resistant construction for long service life in harsh conditions
- Maintains correct engine sealing to support smooth starting and consistent power
- Helps prevent air leaks that can lead to poor performance or difficult tuning
- Stable under vibration and temperature changes common in chainsaw use
- Designed for straightforward replacement with standard workshop tools
- Manufactured to Husqvarna standards for reliable, repeatable performance
- Supports proper lubrication control and overall engine efficiency
- Direct reference to MPN 503 85 48-01 / 503854801 for easy identification
Typical Applications:
Used during engine overhauls or targeted repairs when a leak is suspected or confirmed. Common in routine maintenance for saws that have high hours, have been exposed to heat cycles, or show symptoms such as erratic idle, lean running, or oil seepage. Suitable for professional and domestic chainsaw servicing.
Also known as:
Oil seal, crankshaft seal, crank seal, shaft seal, engine seal ring, sealing ring, engine gasket seal, motor seal, powerhead seal.
Fits Models:
340, 340E, 345, 345E, 350
Alternate Part Numbers:
503 85 48-01, 503854801

