Description
Overview:
This Rim Sprocket Kit 3/8" (7 teeth) is a non-genuine replacement for selected Stihl petrol chainsaws, including the MS260 and MS280. The kit includes a precision-machined 3/8 inch (9.53 mm) rim sprocket and a matching needle roller sprocket bearing. Made from durable steel for dependable service life, it sits behind the clutch drum to drive the chain, ensuring consistent power transfer from the engine to the guide bar. It is designed to replace worn drive components that can cause chain slip, poor cutting efficiency, or accelerated wear. Built for straightforward maintenance, this kit provides a practical way to restore correct chain drive function without changing the clutch drum, helping keep your saw working safely and efficiently.
Key Features:
- Non Genuine Part: cost-effective replacement compatible with selected Stihl models
- 3/8 inch (9.53 mm) pitch, 7-tooth rim for stable chain engagement and smooth running
- Includes needle roller sprocket bearing for proper support and reduced friction
- Steel construction for durability under typical forestry and landscaping use
- Helps restore drive accuracy, reducing chain chatter and uneven wear
- Designed to replace OEM references 1121 007 1039 and 1121 007 1037
- Straightforward to fit during routine service with basic workshop tools
- Suitable for standard 3/8" chains used on mid-size Stihl saws
- Supports consistent cutting performance and safer operation when correctly installed
Typical Applications:
Used during scheduled maintenance or repairs to replace a worn rim sprocket and bearing on Stihl chainsaws. Ideal when chains show signs of slipping, uneven drive, or excessive sprocket wear. Common in arborist, landscaping, fencing, firewood processing, and site maintenance tasks where reliable chain drive is essential.
Also known as:
Drive rim, clutch sprocket rim, chain drive sprocket, 3/8" 7T rim, rim and bearing set, chain drive kit, needle bearing and rim, chain transmission sprocket, chainsaw drive set.
Fits Models:
026, 028, 028 AV, MS 260, MS 260 C, MS 270, MS 270 C, MS 280, MS 280 C
Alternate Part Numbers:
1121 007 1037, 11210071037, 1121 007 1039
Product Specifications
| L&S Part No. | 350 091 |
|---|---|
| Part Type | Non Genuine Part |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Compatible with Stihl models MS260, MS280, and others - 3/8 inch pitch, 7-tooth rim for stable chain engagement - Includes needle roller bearing for reduced friction - Durable steel construction for long service life - Replaces OEM parts 1121 007 1039 and 1121 007 1037 |
| Fits Models | MS260, MS260C | MS270, MS270C, MS280, MS280C | 028, 028AV |
