Description
Overview:
This worm gear is the genuine Stihl drive gear for the oil pump on the MS881 chainsaw (OEM No. 1124 640 7100). It transfers drive from the clutch side to the oil pump so the bar and chain receive the correct lubrication while cutting. Built from hard‐wearing materials to handle heavy loads and high RPM, it offers a precise fit and dependable performance in demanding conditions. Designed specifically for the Stihl MS881, it helps maintain oil flow, reduce wear on the guide bar and chain, and keep the saw working efficiently over long shifts. As a Genuine Stihl part, it matches the original specification for fit and function, making routine maintenance and like‐for‐like replacement straightforward.
Key Features:
- Genuine Stihl part for correct fit on the MS881
- Drives the oil pump to provide consistent chain and bar lubrication
- Built from durable materials to resist wear under heavy use
- Precision moulding for smooth engagement and reliable operation
- Helps protect bar and chain by maintaining adequate oil flow
- Stable performance at high engine speeds and temperatures
- Direct replacement for the original worm gear (OEM 1124 640 7100)
- Simple to install during routine service with basic workshop tools
- Supports saw efficiency and reduces premature component wear
- Suitable for professional forestry, milling, and heavy cutting tasks
Typical Applications:
Replacement of a worn, stripped, or damaged oil pump worm gear on Stihl MS881 chainsaws. Commonly fitted during servicing to restore proper chain oiling for felling, logging, milling, and other high‐demand work. Helps resolve poor lubrication symptoms such as dry chain, excessive bar wear, or overheating.
Also known as:
Oil pump worm gear, oil pump drive gear, oiler drive gear, chain oiler drive, lubrication worm, oil feed drive gear, oil pump drive.
Fits Models:
MS881
Product Specifications
| L&S Part No. | 1124 640 7100 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11246407100 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part for MS881 chainsaw - Drives oil pump for consistent lubrication - Durable materials resist wear under heavy use - Precision moulding ensures smooth operation - Direct replacement for OEM 1124 640 7100 |
| Fits Models | MS881 |

