Extension hose adapter kit Kärcher 2.643-037.0

The Kärcher Extension Hose Adapter Kit 2.643-037.0 is a two-part adapter set for connecting an extension hose with a screw thread to a Kärcher pressure washer equipped with a Quick Connect system. The kit is compact (approximately 60 mm high, 80 mm deep) and lightweight (around 200 g), and is intended to extend the working reach of compatible pressure washers. It is not suitable for machines with a hose reel.

Advantages

This adapter kit provides a secure mechanical connection between a screw-threaded extension hose and a Kärcher Quick Connect pressure washer, offering compatibility and ease of assembly. The compact and lightweight design simplifies handling and installation while maintaining durable construction for regular outdoor use.

Suitable for

• Extending the reach of Kärcher pressure washers with Quick Connect fittings
• Connecting screw-threaded extension hoses to compatible Kärcher models
• Outdoor cleaning tasks requiring additional hose length (not for hose reel machines)

Key specifications

• Brand: Kärcher
• Manufacturer part number (MPN): 2.643-037.0
• EAN: 4039784824447
• Weight: approx. 200 g
• Dimensions (H×D): approx. 60 mm × 80 mm
• Compatibility: Kärcher pressure washers with Quick Connect; not for hose reel machines

How to use

Turn off and depressurize the pressure washer before making any connections. Screw the extension hose with the matching threaded end into the adapter and then attach the adapter to the pressure washer's Quick Connect coupling until it locks in place. Check the connection for tightness and leaks before operating the unit. Follow the pressure washer manufacturer's safety instructions during installation and use.

Recommendations

Use the adapter only with compatible Kärcher Quick Connect pressure washers and screw-threaded extension hoses. Do not use with hose reel machines. Regularly inspect the adapter and hose connections for wear or damage and replace components if leaks or faults are detected.