Description
Overview:
This Genuine Stihl gasket (part number 1145 129 0901 / 11451290901) is a precision-cut sealing component for Stihl professional chainsaws, including the MS 201 T and MS 201 TC. Manufactured to OEM specification from durable, heat- and fuel-resistant gasket material, it forms a tight seal between mating engine parts to help prevent air, fuel, or oil leaks. A correct seal supports smooth running, reliable starting, and stable idle, while protecting internal components from premature wear. Ideal for routine servicing or repairs, this gasket restores factory-fit integrity on compatible MS 201-series machines used by arborists, landscapers, and grounds teams. As a Genuine Part, it matches the original profile and thickness for consistent performance and dependable longevity in demanding daily use.
Key Features:
- Genuine Stihl OEM gasket for assured fit and quality
- Precision profile for the MS 201 platform to minimise air leaks
- Durable material resists petrol, oil, heat, and vibration in two‐stroke engines
- Helps maintain correct mixture and performance across the rev range
- Supports smooth idle and easier starting by preserving airtight joints
- Direct replacement for worn or damaged seals-no trimming required
- Consistent thickness for reliable clamping and sealing pressure
- Suitable for routine maintenance, rebuilds, and fault cures (e.g. lean running)
- Compatible with listed MS 201 variants for straightforward stocking and service
- Stihl part number marking aids identification and parts traceability
Typical Applications:
Used during servicing or repair of Stihl MS 201-series chainsaws when refitting engine components after inspection, cleaning, or replacement. Common during top-end work, carburettor or intake servicing, and when diagnosing air leaks that cause poor running, erratic idle, or hard starting. Suitable for professional arborist, forestry, landscaping, and hire fleet maintenance.
Also known as:
Engine gasket, sealing gasket, gasket seal, paper/fibre gasket, intake gasket, carburettor gasket, crankcase gasket, chainsaw gasket. Terms vary by location in the assembly and workshop practice.
Fits Models:
MS 201, MS 201 C, MS 201 T, MS 201 TC, MS201, MS201C, MS201T, MS201TC
Alternate Part Numbers:
1145-129-0901, 11451290901
Product Specifications
| L&S Part No. | 1145 129 0901 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11451290901 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl OEM gasket for MS 201-series chainsaws - Precision-cut for airtight sealing and reliable performance - Resists petrol, oil, heat, and vibration in two-stroke engines - Direct replacement, no trimming required - Compatible with MS 201, MS 201 C, MS 201 T, MS 201 TC models |
| Fits Models | MS201, MS201C, MS201T, MS201TC |
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