Description
Overview:
This Fuel Pump is a Genuine Stihl OEM component designed for selected mid-range petrol chainsaws, including the MS 231 and MS 251. Under Stihl part number 1143 350 6200, it provides reliable fuel delivery from the tank to the carburettor to support clean starting, steady idling and consistent cutting performance. Built from fuel‐resistant, hard‐wearing materials, it withstands vibrations, heat and daily site use. The compact pump is engineered to match the original mounting points and hose connections on the specified Stihl models, making it a practical like-for-like replacement when the original unit becomes worn, leaks, or causes fuel starvation. Suitable for both professional and domestic users, it helps keep your saw working efficiently during felling, logging, pruning and general grounds maintenance.
Key Features:
- Genuine Stihl OEM part for assured fit and compatibility
- Direct replacement for the MS 231/MS 251 family of saws
- Durable, fuel‐resistant construction for long service life
- Consistent fuel delivery helps smooth idle and clean acceleration
- Can resolve issues such as hard starting, stalling and surging
- Compact design fits existing brackets and hose routing
- Straightforward to fit with basic hand tools; no modifications needed
- Suitable for daily trade use and demanding outdoor conditions
Typical Applications:
Routine maintenance or repair when a chainsaw shows poor fuel feed, struggles to start after storage, surges under load, or loses power in the cut. Common on forestry, landscaping and garden work, firewood processing, fencing, small construction tasks, and general property maintenance where reliable saw performance is required.
Also known as:
Impulse fuel pump, vacuum pulse pump, diaphragm fuel pump, carburettor feed pump, fuel delivery pump, pulse‐operated pump, chainsaw pump assembly.
Fits Models:
MS 231, MS 231 C, MS 251, MS 251 C, MS231, MS231C, MS251, MS251C
Alternate Part Numbers:
1143-350-6200, 11433506200
Product Specifications
| L&S Part No. | 1143 350 6200 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11433506200 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl OEM part ensures correct fit - Compatible with MS 231 and MS 251 chainsaws - Fuel-resistant materials withstand heat and vibrations - Consistent fuel delivery supports smooth operation - Easy installation with existing brackets and hoses |
| Fits Models | MS231, MS251 |

