Description
Overview:
This Oil Seal 12x20x5 mm is a Genuine Stihl part for sealing rotating shafts in small 2‐stroke engines, helping to prevent oil leakage and air ingress. It is designed for Stihl chainsaws such as the 026 and 036, and is also used across selected brushcutters and other handheld machines. The seal is made from a durable rubber/metal composite with a spring‐energised lip that maintains contact with the shaft for consistent sealing. Correct sealing supports proper lubrication and helps the engine hold the vacuum/pressure it needs for smooth running, reliable starting and stable idle. With precise 12 x 20 x 5 mm dimensions, it fits snugly into the housing to restore factory‐fit performance on compatible Stihl machines.
Key Features:
- Genuine Stihl OEM part for dependable fit and compatibility
- Precise 12 x 20 x 5 mm size for accurate seating and sealing
- Spring‐loaded lip maintains constant contact with the shaft
- Robust rubber compound resists engine oil, fuel mix and heat from normal use
- Helps maintain crankcase sealing for stable tuning and performance
- Reduces risk of oil leaks and air leaks that can affect power and idle
- Smooth outer case for a secure interference fit in the housing
- Suitable for routine maintenance and full engine rebuilds
Typical Applications:
Replacement of worn or hardened shaft seals during servicing, to cure oil seepage, air leaks, erratic idle or difficult starting. Commonly fitted when overhauling engines, replacing bearings, or when the clutch or flywheel is removed on compatible Stihl chainsaws and brushcutters to restore proper sealing and reliability.
Also known as:
Shaft seal, rotary shaft seal, lip seal, crankshaft seal, oil lip seal, oil ring seal, seal ring.
Fits Models:
020, 020T, 024, 026, 034, 036, 036QS, FR220, FS120, FS160, FS180, FS200, FS202, FS220, FS220K, FS250, FS280, FS280K, FS290, MS200, MS200T, MS240, MS260, MS260C, MS340, MS360, MS360C
Alternate Part Numbers:
9640-003-1190, 96400031190, 9633 003 1190, 96330031190
Product Specifications
| L&S Part No. | 9640 003 1190 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 96400031190 |
| Unit of Sale | 1 |
| Applications | 020, 020T, 024, 026, 034, 036, 036QS, FR220, FS120, FS160, FS180, FS200, FS202, FS220, FS220K, FS250, FS280, FS280K, FS290, MS200, MS200T, MS240, MS260, MS260C, MS340, MS360, MS360C |
| Machine Type | Chainsaws, Brushcutters |
| Fits Models | MS200, MS200T | MS260, MS260C | MS240 | MS340 | MS360, MS360C | FS120, FS200, FS250 | FS220, FS280, FS290 | FS160, FS180 | FS200, FS202 | 020, 020T | 024 | 026 | 034 | 036 | 036QS |
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