Description
Overview:
This Genuine Stihl gasket (MPN 4242 129 0902) is a precision-cut sealing component for Stihl two-stroke hedge trimmers, including the HS46 and HS56C. Made from fuel- and oil-resistant fibre gasket material, it creates a reliable airtight seal between mating engine components to prevent air or fuel leaks that can affect performance and starting. Its thin, accurate profile and pre-formed bolt holes ensure a proper fit in the intended assembly location. Suitable for routine servicing or repairs, it helps maintain correct mixture, idle stability, and overall efficiency. Built to Stihl's OEM standards, it is designed to withstand vibration, heat cycles, and regular use in both domestic and professional environments.
Key Features:
- Genuine Stihl part for assured fit and compatibility with specified models
- Durable, fuel- and oil-resistant gasket material for long service life
- Helps prevent air and fuel leaks to maintain engine performance and efficiency
- Accurate cut-outs and mounting holes for straightforward alignment and fitting
- Stable sealing under vibration and heat cycles common to two-stroke engines
- Suitable for preventative maintenance and rebuilds to minimise downtime
- Supplied to OEM specification for consistent, repeatable sealing performance
Typical Applications:
Used during servicing, strip-downs, or rebuilds of Stihl hedge trimmers to restore airtight sealing between engine components. Ideal when addressing starting issues, erratic idle, air leaks, or after removing components for cleaning. Supports dependable operation for garden maintenance, landscaping, and light commercial trimming.
Also known as:
Seal, engine gasket, sealing gasket, hedge trimmer gasket, replacement gasket, intake/manifold gasket, spacer gasket, paper/fibre gasket, sealing plate gasket.
Fits Models:
HS 46, HS 46 C, HS 56 C, HS46, HS46 C, HS46C, HS56, HS56C
Alternate Part Numbers:
4242-129-0902, 42421290902
Product Specifications
| L&S Part No. | 4242 129 0902 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42421290902 |
| Unit of Sale | 1 |
| Machine Type | Hedgetrimmers |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part for HS46 and HS56C models - Fuel- and oil-resistant fibre material - Prevents air and fuel leaks - Pre-formed bolt holes for easy fitting - Withstands vibration and heat cycles |
| Fits Models | HS 46, HS46 C | HS56 |
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