Description
Overview:
The Sealing Ring B4x2 is a small, high-precision elastomer o-ring used to prevent leaks in key fluid and air pathways on Stihl petrol chainsaws. As a Genuine Stihl component (MPN 1122 649 5000), it is built to OEM standards for a dependable fit and seal. The 4 x 2 mm size supports tight joints in systems such as fuel, oil and intake assemblies, helping to maintain smooth running and reduce wear on surrounding parts. Ideal for routine servicing and repairs, it is suited to demanding use on professional and domestic saws, including the MS 361 and MS 361 C. Its robust construction and accurate sizing help restore reliability when replacing tired or damaged seals.
Key Features:
- Genuine Stihl part for assured compatibility and quality
- Precise 4 x 2 mm sizing for a reliable, leak-tight seal
- Durable elastomer resists petrol, oil and heat in typical chainsaw use
- Made to OEM tolerances for consistent performance
- Helps maintain efficiency and reduce unplanned downtime
- Simple to install during routine maintenance or repairs
- Suitable for professional forestry, landscaping and heavy-duty site work
- Supports long service life of adjacent components by preventing fluid loss
Typical Applications:
For sealing small-diameter joints within fuel lines, oil systems, carburettor interfaces, intake components and other assemblies on compatible Stihl chainsaws. Used during servicing to replace perished or flattened seals, restore tightness after disassembly, and prevent fuel or chain oil weeping that can affect performance and cleanliness.
Also known as:
O-ring, ring seal, sealing gasket, packing ring, toroidal seal, rubber seal ring.
Fits Models:
046, 066, 088, MS 241 C, MS 261, MS 261 C, MS 271, MS 271 C, MS 291, MS 291 C, MS 341, MS 361, MS 361 C, MS 362, MS 362 C, MS 382, MS 400 C, MS 441, MS 441 C, MS 460, MS 461, MS 462, MS 462 C, MS 500i, MS 650, MS 651, MS 660, MS 661, MS 661 C, MS 780, MS 880, MS 881
Alternate Part Numbers:
1122-649-5000, 11226495000
Product Specifications
| L&S Part No. | 1122 649 5000 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11226495000 |
| Unit of Sale | 1 |
| Applications | 046, 066, 088, MS 241 C, MS 261, MS 261 C, MS 271, MS 271 C, MS 291, MS 291 C, MS 341, MS 361, MS 361 C, MS 362, MS 362 C, MS 382, MS 400 C, MS 441, MS 441 C, MS 460, MS 461, MS 462, MS 462 C, MS 500i, MS 650, MS 651, MS 660, MS 661, MS 661 C, MS 780, MS 880, MS 881, MS241C, MS261, MS261C, MS271, MS271C, MS291, MS291C, MS341, MS361, MS361C, MS362, MS362C, MS382, MS400C, MS441, MS441C, MS460, MS461, MS462, MS462C, MS500i, MS650, MS651, MS660, MS661, MS661C, MS780, MS880, MS881 |
| Machine Type | Chainsaws |
| Fits Models | MS361, MS361C | MS460 | MS362, MS362C | MS261, MS261C | MS441, MS441C | MS241C | MS271, MS271C, MS291, MS291C | MS341 | MS382 | MS461 | MS462, MS462C | MS650 | MS651 | MS660 | MS661, MS661C | MS780 | MS880 | 046 | 088 | 066 | MS500i | MS400C | MS881 |
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