Description
Overview:
This genuine Stihl hose (part number 1140 647 9401) is a replacement fluid hose for Stihl chainsaws, built to maintain reliable operation under everyday use. Manufactured from a tough, oil- and fuel-resistant elastomer in a compact black moulded form, it is designed to handle the vibrations and temperatures typical of chainsaw work. The hose restores a secure, leak-resistant connection in the machine's fluid circuit, helping to keep performance stable and consistent. It is engineered for the Stihl MS 311 and MS 391, providing the correct fit and alignment without modification. Ideal for routine maintenance or repairs, this genuine component helps resolve issues such as cracked, perished, or leaking hoses so your saw can run smoothly on the job.
Key Features:
- Genuine Stihl spare part for assured compatibility and build quality
- Correct fit for MS 311 and MS 391 with part reference 1140 647 9401
- Durable oil- and fuel-resistant elastomer for long service life
- Moulded ends help create a tight, reliable seal to reduce leaks
- Direct replacement that installs without modification or special tools
- Supports consistent fluid transfer for stable chainsaw performance
- Resists vibration, heat, and exposure to petrol and bar oil
- Helps prevent air ingress and associated running issues
- Suitable for professional, farm, estate, and DIY maintenance
- Compact form factor for easy routing within the saw body
Typical Applications:
Replacing a worn or damaged hose during servicing of Stihl chainsaws used for logging, arborist work, firewood cutting, site clearance, and grounds maintenance. Helps restore reliable fluid routing in the saw, improving running consistency, leak control, and overall dependability in daily use.
Also known as:
Oil line, fuel line, fluid line, connector hose, transfer line, lubrication hose, tank-to-system hose, service hose, rubber line, flexible pipe.
Fits Models:
MS 311, MS 391, MS311, MS391
Alternate Part Numbers:
1140-647-9401, 11406479401


