Description
Overview:
This Genuine Stihl sealing ring (part no. 4255 529 0200) is a black elastomer O‐ring designed to restore a leak‐tight seal within Stihl sprayer systems. It is engineered for use in handheld and backpack sprayers such as the SG 21 and SG 31, helping to maintain working pressure and a consistent spray pattern. The durable rubber construction withstands typical garden and landscaping chemicals, supporting reliable performance in regular use. Correct sealing reduces drips and misting at joints and improves overall efficiency. Purpose‐made for Stihl equipment, it provides the right fit without trimming or modification, making replacement straightforward for both tradespeople and DIY users. Keeping this seal in good condition helps protect pumps, valves and hose connections, and supports even application during spraying tasks.
Key Features:
- Genuine Stihl part for assured fit and compatibility with listed models
- Durable elastomer construction for long service life in regular spraying use
- Helps prevent leaks and pressure loss to maintain spray performance
- Correct OEM dimensions for reliable seating and sealing
- Quick, simple installation with basic hand tools
- Supports efficient operation and reduces downtime from avoidable leaks
- Suitable for routine servicing as a cost‐effective preventative maintenance item
- Designed for Stihl SG series and SGA 85 sprayers
Typical Applications:
Ideal for replacing worn or flattened seals during servicing of Stihl sprayers. Used to restore sealing at common fluid path points such as pump, valve, lance, or hose interfaces. Suitable for general weed control, pest treatments, disinfecting, timber and masonry treatments, and landscape spraying where reliable pressure and a clean shut‐off are required.
Also known as:
O‐ring, rubber seal, sprayer seal, gasket, sealing gasket, ring seal, pump seal. These terms are often used for circular elastomer seals that prevent fluid leaks in pressure and suction lines.
Fits Models:
SG 21, SG 31, SG 51, SG 71, SGA 85
Alternate Part Numbers:
4255-529-0200, 42555290200
Product Specifications
| L&S Part No. | 4255 529 0200 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 42555290200 |
| Unit of Sale | 1 |
| Applications | SG 21, SG 31, SG 51, SG 71, SG21, SG31, SG51, SG71, SGA 85, SGA85 |
| Machine Type | Garden Sprinkler Systems |
| Fits Brands | Stihl |
| Fits Models | SG 31 | SG 51, SG 71 | SG 21 | SGA 85 |
