Description
Overview:
This Rim Sprocket is a genuine Stihl replacement part designed to drive 3/8" pitch chains (3/8" = 9.53 mm) with a 7-tooth profile. Built from durable metal, it transfers power smoothly from the clutch drum to the chain to keep cutting performance consistent and efficient. It is suitable for mid-range Stihl chainsaws used by tradespeople and homeowners alike, including the MS261 and MS261 C. As a routine wear component, replacing the rim sprocket at the right time helps maintain accuracy, reduces vibration, and supports reliable chain tracking. Supplied to Stihl's OEM standard under part number 0000 642 1231, it offers assured compatibility and fit, making it a dependable choice for regular servicing and refurbishment.
Key Features:
- Genuine Stihl OEM part for correct fit and reliable operation (P/N 0000 642 1231)
- 3/8" pitch (9.53 mm) and 7 teeth for precise chain engagement and smooth drive
- Durable metal construction engineered to withstand demanding cutting tasks
- Helps reduce premature wear on the guide bar and chain when replaced at service intervals
- Consistent power transfer for steady cutting speed and clean cuts
- Straightforward to replace during routine maintenance without special tools
- Compatible with a wide range of popular Stihl saws listed below
Typical Applications:
Regular service replacement on Stihl chainsaws used for forestry, arboriculture, landscaping, estate and farm work, construction site clearance, and firewood processing. Ideal when a worn drive surface causes chain slippage, uneven wear, or reduced cutting efficiency, restoring smooth chain motion and dependable performance.
Also known as:
Drive rim, rim drive sprocket, chain drive rim, clutch drum rim, 3/8" 7T rim.
Fits Models:
024, 026, 028, 028 AV, 029, 030, 031, 034, 036, 039, MS 240, MS 260, MS 260 C, MS 261, MS 261 C, MS 270, MS 270 C, MS 280, MS 280 C, MS 290, MS 310, MS 311, MS 340, MS 360, MS 360 C, MS 390, MS 391
Alternate Part Numbers:
0000-642-1231, 00006421231
Product Specifications
| L&S Part No. | 0000 642 1231 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 00006421231 |
| Unit of Sale | 1 |
| Applications | 024, 026, 028, 028 AV, 028AV, 029, 030, 031, 034, 036, 039, MS 240, MS 260, MS 260 C, MS 261, MS 261 C, MS 270, MS 270 C, MS 280, MS 280 C, MS 290, MS 310, MS 311, MS 340, MS 360, MS 360 C, MS 390, MS 391, MS240, MS260, MS260C, MS261, MS261C, MS270, MS270C, MS280, MS280C, MS290, MS310, MS311, MS340, MS360, MS360C, MS390, MS391 |
| Machine Type | Chainsaws |
| Fits Models | MS260, MS260C | MS290, MS310, MS390 | 030, 031 | 029, 039 | MS270, MS270C, MS280, MS280C | 028, 028AV | MS240 | MS340 | MS360, MS360C | MS261, MS261C | 024 | 026 | 034 | MS311 | MS391 | 036 |
