Description
Overview:
This Metering Diaphragm is a Genuine Stihl replacement part designed to restore precise fuel control in the carburettor of selected Stihl machines, including the TS350 and 08S. Made from fuel‐resistant elastomer with a thin, flexible membrane, it responds to pressure changes to meter fuel accurately, helping to maintain smooth idling, clean acceleration and reliable starting. It is suitable for demanding use in cut‐off saws, chainsaws and earth augers where consistent performance matters. Built to OEM standards for fit and function, this diaphragm helps prevent lean or rich running caused by ageing or hardened membranes, supporting engine efficiency and reducing downtime. A practical choice for routine servicing or fault fixing when engines surge, stall or are difficult to tune.
Key Features:
- Genuine Stihl part for assured compatibility and performance
- Precisely meters fuel in the carburettor to stabilise idle and throttle response
- Fuel‐resistant construction helps withstand modern petrol and everyday use
- OEM quality for a correct fit with no modification required
- Helps cure hard starting, erratic running and poor fuel economy
- Suitable for professional and DIY servicing of older and current machines in range
- Simple to install during a standard carburettor service with basic tools
- Supports longer engine life by maintaining the correct air‐fuel mixture
Typical Applications:
Used during carburettor rebuilds and routine maintenance on Stihl cut‐off saws, chainsaws and earth augers. Ideal when addressing symptoms such as inconsistent idle, flat spots on acceleration, increased fuel consumption, or engines that cut out under load. Suitable for preventative servicing to keep site tools and forestry equipment running reliably.
Also known as:
Carburettor metering diaphragm, metering membrane, fuel metering diaphragm, carb diaphragm, carburetor diaphragm (US), metering sheet, carburettor membrane.
Fits Models:
070, 08S, 090, 090G, BT 360, BT360, MS720, TS08, TS08S, TS350, TS350AVE, TS360
Alternate Part Numbers:
6503-121-4700, 65031214700
Product Specifications
| L&S Part No. | 6503 121 4700 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 65031214700 |
| Unit of Sale | 1 |
| Applications | 070, 08S, 090, 090G, BT 360, BT360, MS720, TS08, TS08S, TS350, TS350AVE, TS360 |
| Machine Type | Disc Cutters |
| Fits Brands | Stihl |
| Fits Models | TS350, TS360 | 08S | TS08S, TS08 | MS720 | 070 | 090, 090G | BT 360 |
