Description
Overview:
This Genuine Stihl worm gear (MPN 1133 640 7100) is a small but critical drive component for Stihl chainsaws, engineered to transmit motion within the saw's mechanism for smooth, reliable operation. Built with a hard-wearing polymer body and a metal-reinforced hub, it offers a durable, low-friction interface that stands up to everyday use. It is designed for direct fitment on popular models including the MS 270 and MS 270 C, ensuring correct engagement with the associated drive parts and consistent performance. Replacing a worn worm gear restores efficient power transfer and helps maintain proper lubrication and drive functions, supporting clean cuts and dependable running for both trade and DIY users.
Key Features:
- Genuine Stihl OEM part for assured fit and compatibility
- Precision-moulded polymer with metal hub for strength and longevity
- Stable drive engagement to help maintain smooth running under load
- Supports correct operation of internal drive systems for consistent performance
- Direct replacement for worn or damaged worms; no modification required
- Compact part that is straightforward to fit with basic tools
- Helps reduce premature wear on mating components by keeping alignment correct
- Suitable for regular maintenance schedules to prevent unexpected downtime
Typical Applications:
Used during routine servicing or repair of Stihl chainsaws to restore reliable drive between rotating components, helping maintain smooth operation on tasks such as felling, logging, firewood preparation, landscaping work, and site clearance.
Also known as:
Worm drive, oil pump worm, drive worm, worm gear wheel, oiler drive gear, pump drive gear, chainsaw worm gear, internal drive gear.
Fits Models:
028, 028 AV, 028AV, MS 270, MS 270 C, MS 271, MS 271 C, MS 280, MS 280 C, MS 291, MS 291 C, MS270, MS270C, MS271, MS271C, MS280, MS280C, MS291, MS291C
Alternate Part Numbers:
1133-640-7100, 11336407100
Product Specifications
| L&S Part No. | 1133 640 7100 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11336407100 |
| Unit of Sale | 1 |
| Applications | 028, 028 AV, 028AV, MS 270, MS 270 C, MS 271, MS 271 C, MS 280, MS 280 C, MS 291, MS 291 C, MS270, MS270C, MS271, MS271C, MS280, MS280C, MS291, MS291C |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS270, MS270C, MS280, MS280C | 028, 028AV | MS271, MS271C, MS291, MS291C |
