Description
Overview:
The O-Ring 18x2.5 is a genuine Stihl sealing ring designed to keep fluids and pressure where they should be. Made from durable black rubber, it provides a tight, dependable seal in high-pressure and general sealing points on compatible machines, including pressure washers such as the Stihl RE102KM and RE104KM. Its precise dimensions of 18 mm x 2.5 mm (approximately 0.71 in x 0.10 in) ensure the correct fit where specified by the manufacturer. As a Genuine Stihl part (OEM 9645 945 7603), it helps maintain performance, prevent leaks, and reduce wear on adjoining components. Suitable for routine maintenance and repairs, this O-ring restores sealing integrity in couplers, unions, and other interfaces on Stihl equipment listed below.
Key Features:
- Genuine Stihl OEM part for assured compatibility and fit (9645 945 7603)
- Size 18 mm x 2.5 mm (0.71 in x 0.10 in) for correctly specified applications
- Durable rubber construction helps maintain a reliable seal under pressure
- Resists wear from repeated assembly, vibration, and typical pressure cycles
- Helps prevent leaks and pressure loss to keep equipment operating efficiently
- Suitable for water and common cleaning solutions used with pressure washers
- Direct replacement part for quick, straightforward fitting
- Supports long service life of pumps, hoses, and couplers by preserving sealing surfaces
- Compatible across selected Stihl RE pressure washers and FR series tools
- Backed by Stihl's OEM quality standards
Typical Applications:
Used to seal hose couplers, pump unions, spray gun and lance connections, and other round interfaces where an 18x2.5 mm O-ring is specified. Common in routine servicing of Stihl pressure washers and selected FR series tools to stop drips, maintain pressure, and protect components from premature wear.
Also known as:
Seal ring, sealing ring, gasket ring, rubber O-ring, toroidal seal, metric O-ring 18x2.5, 18 x 2.5 mm seal, pressure washer O-ring.
Fits Models:
FR125, FR131T, FR135, FR145, FR410C, FR460TC, RE 102 K, RE 102 KM, RE 104 K, RE 104 KM, RE 106 K, RE 106 KM, RE 115 K, RE 125 K, RE 140 K, RE 160 K, RE102K, RE102KM, RE104K, RE104KM, RE106K, RE106KM, RE115K, RE125K, RE140K, RE160K, RE640W, RE840W
Alternate Part Numbers:
9645-945-7603, 96459457603
Product Specifications
| L&S Part No. | 9645 945 7603 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 96459457603 |
| Unit of Sale | 1 |
| Applications | FR125, FR131T, FR135, FR145, FR410C, FR460TC, RE 102 K, RE 102 KM, RE 104 K, RE 104 KM, RE 106 K, RE 106 KM, RE 115 K, RE 125 K, RE 140 K, RE 160 K, RE102K, RE102KM, RE104K, RE104KM, RE106K, RE106KM, RE115K, RE125K, RE140K, RE160K, RE640W, RE840W |
| Machine Type | Pressure Washers |
| Fits Brands | Stihl |
| Fits Models | FR125, FR135, FR145 | FR131T | FR410C, FR460TC | RE 102 K, RE 104 K, RE 106 K | RE 102 KM, RE 104 KM, RE 106 KM | RE 115 K, RE 125 K | RE 140 K, RE 160 K | RE640W | RE840W |
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