Description
Overview:
This genuine Stihl O-Ring is a small but essential sealing component for Stihl cold pressure washers, helping to maintain system pressure and prevent leaks at joints and couplings. Made from durable black rubber, it provides a dependable seal in high-pressure, cold-water environments. It is identified by Manufacturer Part Number (MPN) 9645 945 1670 and sized at 16 x 2 mm (0.63 x 0.08 inches) to suit the correct grooves and housings. Suitable for routine maintenance or repairs, it supports reliable operation of machines such as the RE 107 and RE 108 by restoring sealing integrity where wear or flattening has occurred. As a Genuine Stihl OEM part, it is built for accuracy of fit and consistent performance in demanding cleaning tasks.
Key Features:
- Genuine Stihl OEM part (9645 945 1670) for assured compatibility and fit
- Size: 16 x 2 mm (0.63 x 0.08 inches) for precise sealing in the intended groove
- Robust rubber construction designed to withstand high-pressure, cold-water use
- Helps stop drips and recover working pressure at hose, lance, and pump unions
- Simple to fit; seats cleanly in the existing recess with minimal downtime
- Black, round-section design provides even compression and reliable sealing
- Supports long service life when replacing worn or flattened original seals
- Suitable for routine maintenance kits and targeted leak fixes on listed models
Typical Applications:
Used to seal static or semi-static connections in Stihl cold pressure washer systems, including hose tails, quick-connects, lance/trigger gun interfaces, and pump-side fittings. Ideal for solving minor leaks, pressure loss, or weeping joints caused by aged or compressed seals. A practical replacement during servicing to keep cleaning performance consistent.
Also known as:
Sealing ring, toroidal seal, joint ring, packing ring, round-section seal, pressure washer seal ring. These terms refer to the same type of circular rubber seal used to keep water connections leak-free under operating pressure.
Fits Models:
RE 106K, RE 107, RE 108, RE 118, RE 128 PLUS, RE 142, RE 142 PLUS, RE 162, RE 162 PLUS, RE 362, RE 362 PLUS, RE 462, RE 462 PLUS
Alternate Part Numbers:
9645-945-1670, 96459451670
Product Specifications
| L&S Part No. | 9645 945 1670 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 96459451670 |
| Unit of Sale | 1 |
| Size | 16x2 |
| Applications | RE 107, RE 108, RE 118, RE 128 PLUS, RE 142, RE 142 PLUS, RE 162, RE 162 PLUS, RE 362, RE 362 PLUS, RE 462, RE 462 PLUS, RE106K, RE107, RE108, RE118, RE128PLUS, RE142, RE142PLUS, RE162, RE162PLUS, RE362, RE362PLUS, RE462, RE462PLUS |
| Machine Type | Pressure Washers |
| Fits Brands | Stihl |
| Fits Models | RE 107 | RE 108 | RE 118, RE 128 | RE 142, RE 162 | RE 362, RE 462 |
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