The Kärcher 45510580 Magnet Dry Run Protection is a genuine OEM spare part designed for Kärcher HDS series high-pressure cleaners. This essential component safeguards the pump from damage caused by dry running, ensuring reliable operation and extending the lifespan of your equipment. It detects insufficient water supply, preventing the pump from operating without lubrication. Compatible with various HDS models including HDS 10/20-4 M, HDS 10/20-4 MX, HDS 12/18-4 S, HDS 12/18-4 SX, HDS 13/20-4 S, and HDS 13/20-4 SX.