Description
Overview:
Genuine Stihl sealing ring (MPN 1106 149 0400) for heavy-duty chainsaws. This circular sealing ring is made from durable, oil‐resistant materials and is designed to maintain a tight seal around rotating components, helping to prevent leaks and keep air and fluids where they belong. It supports efficient running and protects internal parts from contamination. Built for Stihl professional saws, including the 090 and 090G, it is an essential service item when refurbishing older machines or solving air or oil leak issues. The precise fit aids reliable compression and smooth operation, helping your saw start, idle, and cut consistently under load.
Key Features:
- Genuine Stihl OEM part for assured compatibility and reliability
- Engineered for a leak‐free fit on specified Stihl chainsaws
- Oil, petrol, and heat resistant to suit two‐stroke applications
- Helps maintain crankcase sealing and stable engine performance
- Durable construction for long service intervals
- Straightforward press‐fit design when installed with clean seating surfaces
- Ideal during overhauls or when symptoms of air/oil leaks appear
- Supplied under Stihl part number 1106 149 0400
Typical Applications:
Used to renew the seal between rotating shafts and housings in Stihl chainsaws. Common during engine rebuilds, crankshaft or bearing replacement, or when addressing air leaks, erratic idle, loss of power, or oil seepage. Suitable for routine preventative maintenance on professional and vintage Stihl models.
Also known as:
Oil seal, rotary shaft seal, crankshaft seal, lip seal, engine seal, shaft gasket, sealing gasket, drive‐side seal, flywheel‐side seal.
Fits Models:
070, 090, 090G, MS 720, MS720
Alternate Part Numbers:
1106-149-0400, 11061490400