Compatible with below models:
Karcher HD 4/8 X Classic 15209170
Karcher HD 4/10 X Classic 15209780
Karcher HD 6/15 G Classic 11870100
Karcher HD 7/20 G Classic 11870110
Karcher HD 8/23 G Classic 11870120
Karcher HD 9/25 G Classic 11870130
Karcher HD 5/11 Cage Yüksek Basınçlı Yıkama Makinesi（Sipariş numarası: 1.520-204.0）
Karcher HD 4/10 X Plus Classic 15209980
Karcher HD 9/25 G Classic 11870130
Karcher HD 8/23 G Classic 11870120
Karcher HD 7/20 G Classic 11870110
Karcher HD 6/15 G Classic 11870100
Karcher HD 4/10 EX Plus Classic 15209980
Karcher HD 9/20-4 Classic 13673080
Karcher HD 7/18-4 Classic 13673070
Karcher HD 7/11-4 Classic 13673050
Karcher HD 6/15-4 Classic 13673060
Karcher HD 9/18-4 Cage Classic 13673150
Karcher HD 7/11-4 Cage Classic 13673180
Karcher HD 5/11 Cage Classic 15202040
Karcher HD 6/15 G Classic 11870100
Karcher HD 7/20 G Classic 11870110
Karcher HD 8/23 G Classic 11870120
Karcher HD 9/25 G Classic 11870130
Bosch Professional GHP 5-65 X Professional
Bosch Professional GHP 5-55 Professional
Bosch Professional GHP 5-75 X Professional
KARCHER HD 6/15 C 11506010
Foam Cannon S V3.0 Connector for Karcher HD (HDS) Pro with M22x1.5mm female thread
Female Thread: M22x1.5mm
Rubber O ring diameter inside: 14mm.
If your spray wand to attach on trigger gun is a M22x1.5mm thread and rubber o ring diameter is 14mm, then it fits, it fits many brands of pressure washers, not only Karcher.