Description
Overview:
This genuine Stihl O-Ring is a compact rubber sealing ring sized 11 x 1.5 mm, used to maintain a leak-tight joint in pressure washer connections and fittings. It helps prevent water bypass and pressure loss by creating a reliable seal between mating parts such as lances, trigger guns, hoses, pumps, and couplings. Made from durable elastomer, it is suitable for routine servicing and repair of Stihl professional and domestic pressure washers, including the RE840W and RE661. The black, round cross-section ring is designed for a precise fit where an 11 x 1.5 mm O-ring is specified. Supplied as a Genuine Stihl part for consistent quality and fit, with OEM Part No. 9645 945 7523 for easy identification.
Key Features:
- Genuine Stihl part for dependable fit and performance (OEM Part No. 9645 945 7523)
- Durable rubber construction helps resist wear in pressure washer service
- Maintains a secure, leak-tight seal to protect pressure and efficiency
- Compact 11 x 1.5 mm size for correct seating in compatible housings and couplings
- Helps reduce downtime by curing common leak points in hoses, lances, and pumps
- Simple to install during routine maintenance or component replacement
- Compatible with a wide range of Stihl RE-series washers for convenient stocking
- Cost-effective preventive maintenance item to extend component life
Typical Applications:
Used anywhere an 11 x 1.5 mm O-ring is specified on Stihl pressure washers, including hose unions, quick-connect couplings, lance and trigger gun interfaces, and pump outlet/inlet ports. Ideal for fixing weeps, drips, and pressure drops after wear or disassembly, and for routine servicing to keep machines operating efficiently.
Also known as:
Sealing ring, gasket ring, toroidal ring, packing ring, round-section ring, washer, O-seal.
Fits Models:
RE 310 K, RE 340 K, RE 360 K, RE 360 K PLUS, RE 361, RE 361 PLUS, RE 440 K, RE 460 K, RE 461, RE 461 PLUS, RE 471, RE 471 PLUS, RE310K, RE340K, RE360K, RE360K PLUS, RE360KPLUS, RE361, RE361 PLUS, RE361PLUS, RE440K, RE460K, RE461, RE461 PLUS, RE461PLUS, RE471, RE471 PLUS, RE471PLUS, RE520W, RE521, RE550W, RE551, RE551 PLUS, RE551PLUS, RE580W, RE581, RE640W, RE660W, RE661, RE840W, RE880W, RE961
Alternate Part Numbers:
9645-945-7523, 96459457523
Product Specifications
| L&S Part No. | 9645 945 7523 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 96459457523 |
| Unit of Sale | 1 |
| Machine Type | Pressure Washers |
| Key Features | - Genuine Stihl part, OEM No. 9645 945 7523 - Durable elastomer construction resists wear - 11 x 1.5 mm size for precise fit - Compatible with Stihl RE-series washers - Maintains leak-tight seal in pressure washers |
| Fits Models | RE520W, RE550W, RE580W | RE521, RE551, RE581, RE551 PLUS | RE640W | RE660W, RE880W | RE661, RE961 | RE840W | RE 310 K, RE 340 K, RE 440 K | RE 360 K, RE 360 K PLUS, RE 460 K | RE 361, RE 461, RE 471 |

