Description
Overview:
This Genuine Stihl Plunger with Diaphragm is a direct replacement component for older professional chainsaws, including the Stihl 070 and 090. It combines a precision plunger with an oil- and fuel-resistant elastomer diaphragm to create a reliable pumping and sealing action inside the machine's system. Built from durable materials for long service life, it helps restore smooth, consistent operation when the original parts have worn, hardened, or split. Suited to demanding cutting environments, it is designed to fit accurately without modification, reducing downtime and helping keep legacy saws productive. Ideal for both trade and DIY users who maintain their own equipment, this part helps ensure your saw delivers dependable performance on every start and cut.
Key Features:
- Genuine Stihl part for assured compatibility and fit
- Robust construction with wear-resistant plunger and elastomer diaphragm
- Restores proper pumping/sealing action for smooth operation
- Helps prevent leaks and performance loss caused by aged diaphragms
- Direct replacement for the specified models to reduce setup time
- Supports reliable running in professional and DIY use
- Suitable for older heavy-duty saws used in forestry and milling
- Supplied to the correct specification for the 070/090 series and equivalents
Typical Applications:
Replacement of a worn or damaged plunger/diaphragm to recover consistent system pressure and reliable operation on classic Stihl saws. Commonly used after service inspections, when experiencing poor pumping action, inconsistent lubrication, or age-related rubber failure. Suitable for saws used in forestry, arboriculture, firewood processing, and site work.
Also known as:
Diaphragm plunger, pump plunger assembly, oiler plunger, manual oiler plunger, chainsaw pump plunger, sealing plunger, service plunger with diaphragm.
Fits Models:
070, 090, 090G, MS 720, MS720
Alternate Part Numbers:
1106-640-3100, 11066403100
Product Specifications
| L&S Part No. | 1106 640 3100 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11066403100 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part ensures compatibility with 070 and 090 models - Oil- and fuel-resistant elastomer diaphragm for durability - Direct replacement reduces setup time and downtime - Restores proper pumping and sealing action - Suitable for forestry and milling applications |
| Fits Models | MS720 | 070 | 090, 090G |
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