Genuine Part no 9.002-438.0 from an authorised Karcher dealer.
eBay
Rubber O Sealing Ring For Karcher SC1125 SC1200 SC1202 SC2 SC3 SC4 SC5 CTK10 CTK20/ 2.884-312.0 Steam Cleaner Accessories
Aliexpress UK
OHAYORI Snow Foam Lance Compatible with Karcher K2 K3 K4 K5 K6 K7 Pressure Washer, Easy to Replace Orifice Nozzle Foam Cannon with Wide Neck.
eBay
For Karcher NT18 NT20 NT30 Home Vacuum Cleaner Hard Floor Carpet Brush Spare Parts Inside 35mm Brush Head Accessories
Aliexpress UK
KARCHER PRESSURE WASHER ACCESSORY NET for K4 FULL CONTROL Used condition
eBay
O-Ring Sealing Ring Accessories For Karcher SC2 SC3 SC4 SC5 CTK10 CTK20 K.Archer Seal Ring 2.884-312.0 Steam Cleaner Spare Parts
Aliexpress UK
Convert Nilfisk Alto & Lavor/Lavorwash pressure washers lances to fit Karcher 'k' series trigger guns. Converts Nilfisk accessories to Karcher K-Series trigger gun. Max Temperature: 60°C.
eBay
Main Brush For Karcher FC5 FC7 FC3 FC3D Vacuum Cleaner Electric Floor Cleaner Floor Roller Brush Replacement Accessories
Aliexpress UK
High pressure cleaner for for K2, K3, K4, K5, K6. Hose extension joint for high pressure water cleaning hose. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
ROUEHigh Pressure Pipe Drain Sewer Cleaning Dredging Nozzle Cleaning Nozzle For karcher adapter accessories Drain Cleaner Ferret
Aliexpress UK
Only suitable for K2, K3, K4, K5, K6, and SLP pressure washer spray s. Not suitable for K1700, K1700 for CUBE, K1800, K1900, K2000. 1 x 1/4" Pressure Washer Adapter. Brass quick release socket and rugged plastic housing.
eBay
2 X Window Vac Vacuum Cleaner Rubber Squeegee Blades For Karcher WV50 WV2 170mm/ 250mm/280mm Replacement Cleaning Accessories
Aliexpress UK
This combination of high-pressure jet and manual brush pressure, with the resulting cleaning performance, outperforms all standard scrubbers and is compatible with all Kärcher K 2 to K 7 pressure washers.
eBay
For Karcher SC1 SC2 SC3 SC4 SC5 SC7 CTK10 CTK20 Steam Cleaner Parts Scraper Nozzle Window Cleaning Glass Dedicated Accessories
Aliexpress UK
Spray lance and dirt blaster: The spray lance is versatile for high-pressure cleaning, the dirt blaster is ideal for stubborn dirt. With a pressure of up to 130 bar, it cleans cars, bicycles and motorcycles, garden tools, outdoor furniture and small garden paths.
eBay
Replacement 4.553 268.0 For Karcher K 7.20 MX 720MX K 7.21MX Control Valve Control Piston High Qulaity Accessories
Aliexpress UK