Description
Overview:
This genuine Husqvarna sealing collar is a small but essential service part for keeping Husqvarna chainsaws running reliably, particularly models 254 and 257. It is a robust rubber/elastomer collar designed to create a tight seal between mating components, helping to prevent air, fuel, or oil leaks that can lead to poor running, hard starting, or premature wear. Built to cope with petrol, chain oil, heat, and vibration, it supports stable engine performance and protects surrounding parts. As a Genuine Part, it offers the correct form and fit for straightforward replacement without modification. Identified by OEM/MPN 501 79 94-01 (501799401), it is a direct replacement that restores proper sealing where specified in the machine's assembly.
Key Features:
- Genuine Husqvarna OEM part for assured compatibility and performance
- Exact fit for Husqvarna 254 and 257 chainsaws; no modification required
- Durable rubber/elastomer construction suited to petrol, oil, heat, and vibration
- Helps prevent air and fluid leaks, supporting smooth starting and stable running
- Maintains correct sealing integrity to protect engine and lubrication systems
- Direct replacement for OEM No. 501 79 94-01 / MPN 501799401
- Supports efficient operation by preserving proper mixture and vacuum conditions
- Compact, lightweight component for easy handling and storage
- Straightforward to fit with standard workshop tools when servicing affected assemblies
- Long service life when installed to clean, undamaged mating surfaces
Typical Applications:
Used during servicing or repairs where sealing integrity is critical, such as addressing air leaks, oil seepage, or general wear within specified assemblies on Husqvarna 254 and 257 chainsaws. Common in rebuilds, leak diagnosis, and preventative maintenance to restore reliable running, idle stability, and correct lubrication.
Also known as:
Sealing ring, packing ring, grommet, bush, sleeve, dust collar, rubber collar, sealing grommet, protective collar, retention sleeve.
Fits Models:
254, 257
Alternate Part Numbers:
501 79 94-01, 501799401
