Description
Overview:
The Oil Seal 35x20x7 is a Genuine Stihl part designed to stop oil leaks and protect rotating shafts in Stihl BT‐series earth augers/post hole borers. Built from a durable oil‐resistant elastomer with a rigid reinforced body, it provides a secure, long‐lasting barrier against oil loss and contamination by dust and debris. Its size is 35 x 20 x 7 mm (approx. 1.38 x 0.79 x 0.28 inches), giving a precise fit to the specified housings and shafts. Correct sealing helps maintain lubrication and pressure, supports bearings, and keeps machines running smoothly. Suitable for both professional and DIY servicing, it is an OEM match for models such as BT 121 and BT 106. Manufacturer Part Number: 9630 003 3616.
Key Features:
- Genuine Stihl OEM part for assured fit and performance
- 35 x 20 x 7 mm size (approx. 1.38 x 0.79 x 0.28 inches) for the specified housings
- Durable elastomer sealing lip with reinforced body for longevity
- Helps prevent oil seepage and keeps out dust, grit, and moisture
- Supports crankshaft and bearing areas by maintaining correct lubrication
- Stable sealing under vibration and temperature changes common in auger use
- Direct replacement on listed models; no modifications required
- Helps reduce wear, extend service intervals, and minimise downtime
- OEM-grade construction for reliable sealing performance
Typical Applications:
Used during engine or gearbox servicing on Stihl BT earth augers to replace worn or hardened shaft seals. Ideal when addressing oil leaks, contamination, or loss of pressure around crankshafts, clutch drives, or intermediate shafts. Common in fencing, landscaping, tree planting, utility groundwork, and soil sampling where augers operate in dusty and abrasive conditions.
Also known as:
Radial lip seal, rotary shaft seal, crankshaft oil seal, seal ring, shaft seal, oil rotary seal, oil ring, rotary oil seal.
Fits Models:
BT 106, BT 120 C, BT 121, BT 121 Z, BT 130, BT 130 Z, BT 131
Alternate Part Numbers:
9630-003-3616, 96300033616
Product Specifications
| L&S Part No. | 9630 003 3616 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 96300033616 |
| Unit of Sale | 1 |
| Machine Type | Augers |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl OEM part ensures correct fit and performance - 35 x 20 x 7 mm size for precise housing fit - Durable elastomer with reinforced body for longevity - Prevents oil seepage and contamination by dust - Direct replacement for BT 106, BT 121, BT 130 models |
| Fits Models | BT 130 | BT 131 | BT 120 C | BT 121 | BT 121 Z | BT 130 Z |
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