Description
Overview:
The Clamping Ring 15x28.2x2.3 (OEM No. 9991 003 1146) is a genuine Stihl part for use in Stihl pressure washers such as the RE110 and RE120. It is a precision ring that helps clamp and seal components within the high‐pressure water path, supporting stable pressure and preventing leaks during operation. Made from a durable, service-grade material suited to water and common detergents, it withstands frequent use and routine maintenance cycles. The ring measures 15 mm inner diameter, 28.2 mm outer diameter, and 2.3 mm thickness, ensuring an accurate seating in the designated assembly. By restoring or maintaining a secure seal, it helps protect adjacent parts and keeps cleaning performance consistent. Ideal for replacements during servicing when existing rings are worn, flattened, or damaged.
Key Features:
- Genuine Stihl part for assured compatibility and fit
- OEM reference: 9991 003 1146 for easy identification
- Dimensions: 15 mm ID x 28.2 mm OD x 2.3 mm thickness for correct seating
- Durable, water- and detergent-resistant construction for reliable service life
- Helps prevent leaks and pressure loss in the washer's water circuit
- Manufactured to precise tolerances for consistent clamping and sealing performance
- Quick, straightforward installation to minimise downtime during maintenance
- Supports long-term reliability of the pump and connected fittings
Typical Applications:
Used within the pressure washer's water circuit to secure and seal connections, such as pump housings, manifolds, or hose interfaces. Suitable for routine servicing, leak rectification, pump rebuilds, and preventative maintenance in workshops or on site, helping restore stable operating pressure and dependable cleaning performance.
Also known as:
Retaining ring, compression ring, seal ring, backing ring for pressure washer assemblies, RE-series clamp component, sealing retainer, pressure system ring.
Fits Models:
RE 150 PLUS, RE110, RE110-PLUS, RE120, RE120-PLUS, RE130-PLUS, RE140-PLUS, RE150-PLUS
Alternate Part Numbers:
99910031146
Product Specifications
| L&S Part No. | 9991 003 1146 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 99910031146 |
| Unit of Sale | 1 |
| Machine Type | Pressure Washers |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part ensures compatibility with RE110 and RE120 models - Dimensions: 15 mm ID x 28.2 mm OD x 2.3 mm thickness - Durable material resists water and common detergents - Prevents leaks and pressure loss in high-pressure water paths - Suitable for routine servicing and leak rectification in pressure washers |
| Fits Models | RE 150 PLUS | RE 110 PLUS | RE 140 PLUS |
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