Description
Overview:
The Gasket for Husqvarna 61 and 266 chainsaws, Manufacturer Part Number (MPN) 501 25 09-02, is a Genuine Husqvarna OEM sealing component designed to maintain airtight and fuel‑tight joints within the engine assembly. Made from a high‑grade, oil‑ and fuel‑resistant composite material, it prevents air leaks, loss of compression and fluid seepage that can lead to poor running or damage. Built to the original factory specification, it delivers a precise fit on the correct mating surfaces and supports smooth, reliable operation after servicing. Suitable for both professional users and DIY maintenance, this gasket is ideal for routine strip-downs, carburation troubleshooting and full rebuilds. It is intended for selected models in the Husqvarna 61/266 family; see the Fits Models section for compatibility.
Key Features:
- Genuine Husqvarna OEM part for assured compatibility and performance
- Exact-fit replacement for MPN 501 25 09-02
- Oil- and fuel-resistant composite material for long service life
- Helps maintain correct compression and prevents intake or crankcase air leaks
- Supports stable tuning, easier starting and consistent cutting performance
- Clean edges and accurate hole pattern for straightforward alignment
- Suitable for scheduled maintenance and full engine rebuilds
- Supplied singly; designed to match original thickness and sealing profile
- Reduces downtime with quick, predictable installation using standard tools
- Compatible with specified Husqvarna chainsaw models (see below)
Typical Applications:
Used during routine servicing or rebuilds of Husqvarna chainsaws to restore reliable sealing of engine housings and covers. Ideal when addressing hard starting, erratic idle, poor acceleration or evidence of fuel/oil seepage. Commonly fitted after cleaning, bearing or seal replacement, or when reassembling the top end to maintain correct pressure and airflow management.
Also known as:
Chainsaw gasket, engine sealing gasket, OEM sealing gasket, Husqvarna engine gasket, 61/266 series gasket. These terms are often used interchangeably for the same Genuine Husqvarna sealing component in service manuals and parts lists.
Fits Models:
61, 266, 266SE, 266SG, 266XP
Alternate Part Numbers:
501 25 09-02, 501250902, 501 25 09 02, 501-25-09-02
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