Based on this product's specifications, here are some alternatives and similar models
Kärcher 2.645-101.0 water hose fitting Brass 1 pc(s)
Summary description:
The Kärcher 2.645-101.0 water hose fitting is made of brass. It comes in a pack of 1 pc(s). This fitting is suitable for various water hoses and provides a secure connection between hoses and other water supply components.