Description
Overview:
This O-Ring 53x3 is a genuine Stihl spare designed to maintain a secure, leak-free seal in compatible pressure washers. Made from durable black rubber, it sits in a groove between mating parts to stop water escaping and to help the machine hold working pressure. It is sized to Stihl specifications for a precise fit and reliable sealing performance on models such as the RE310K and RE340K. Suitable for routine maintenance or repairs, the ring is simple to replace during servicing and helps prevent premature wear of pumps, hoses and couplings caused by leaks. Stihl part reference 9645 945 8185. A dependable choice for tradespeople and DIY users who need consistent sealing in high-pressure cleaning systems.
Key Features:
- Genuine Stihl part for correct fit and dependable sealing
- Dimensions: 53 x 3 mm for accurate seating in the groove
- Robust rubber construction for long service life in wet, detergent-rich environments
- Helps maintain working pressure and reduce leaks in the system
- Supports pump, hose and lance reliability by preventing water bypass
- Easy, tool-light installation during routine service or repair
- Suitable for high-pressure joints such as pump outlets and hose/lance couplings
- Replaces Stihl reference 9645 945 8185 to match OEM specifications
Typical Applications:
Used to seal static or slow-moving joints within Stihl pressure washers, including connections around the pump head, quick-release couplings, and hose or lance interfaces. Ideal when refurbishing fittings, stopping drips, or restoring pressure after seal wear. Common in workshop servicing, site maintenance, and domestic cleaning equipment upkeep.
Also known as:
O ring, sealing ring, rubber seal ring, toroidal ring, pressure washer seal, 53 x 3 mm ring, gasket ring, Stihl seal.
Fits Models:
RE 310 K, RE 340 K, RE 440 K, RE310K, RE340K, RE440K, RE640W, RE840W
Alternate Part Numbers:
9645-945-8185, 96459458185
Product Specifications
| L&S Part No. | 9645 945 8185 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 96459458185 |
| Unit of Sale | 1 |
| Machine Type | Pressure Washers |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part for correct fit and dependable sealing - Dimensions: 53 x 3 mm for accurate seating - Robust rubber construction for long service life - Suitable for Stihl models RE310K, RE340K, RE440K - Prevents leaks, maintaining pressure in high-pressure systems |
| Fits Models | RE640W | RE840W | RE 310 K, RE 340 K, RE 440 K |
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