Description
Overview:
This hose is a genuine Stihl spare for the fuel or oil system on selected mid-range chainsaws, including the MS 231 and MS 251. Built from fuel‐ and oil‐resistant elastomer for flexibility and durability, it maintains a secure, leak‐free connection to keep flow consistent under engine vibration and temperature changes. As an OEM component (part number 1143 647 9403), it matches the original dimensions and routing for a straightforward fit and reliable performance. Use it as a direct replacement when an existing hose becomes brittle, cracked, blocked, or leaks, to restore proper delivery and help protect the engine and cutting system. Suitable for professional and domestic users, it supports regular maintenance schedules and dependable day‐to‐day operation.
Key Features:
- Genuine Stihl OEM hose (1143 647 9403) for assured compatibility and quality
- Fuel‐ and oil‐resistant construction for long service life
- Correct moulded shape for accurate routing and secure connections
- Helps prevent leaks and flow interruptions to maintain performance
- Direct replacement for worn or damaged hoses; no modifications required
- Designed to cope with engine vibration and temperature cycling
- Supports efficient running, reducing unplanned downtime
- Fits specified Stihl models for easy, repeatable installation
Typical Applications:
Routine servicing and repair of Stihl chainsaws where the original hose shows signs of ageing, cracking, stiffness, blockage, or leakage. Used to restore dependable fuel or oil flow to the engine or lubrication system, improving starting, running consistency, and overall reliability in landscaping, forestry, firewood processing, and site work.
Also known as:
Replacement hose, chainsaw hose, Stihl hose, fuel hose, oil hose, fuel line, oil line, delivery line, flexible line, connector hose.
Fits Models:
MS 231, MS 231 C, MS 251, MS 251 C, MS231, MS231C, MS251, MS251C
Product Specifications
| L&S Part No. | 1143 647 9403 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11436479403 |
| Unit of Sale | 1 |
| Applications | MS 231, MS 231 C, MS 251, MS 251 C, MS231, MS231C, MS251, MS251C |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS231, MS251 |
