Karcher Original Part Extension Wand - 9.112-504.0 Some Karcher units were sold with quick coupler end check to be sure you order the correct one. Fits popular Karcher models: K 6000 GH (1.194-109.0) K 2300 G (1.194-110.0) HD 2500 G (1.194-112.0) HD 3000 G (1.187-111.0) HD 3500 G (1.810-994.0) HD 3500 DH-QC (1.810-996.0) HD 3500 DH (1.810-997.0) HD 3500 DB (1.810-998.0) HD 3501 (1.810-999.0) K 2400 HH (1.194-301.0) K 2400 HH (1.194-304.0) HD 3000 MTD (1.187-114.0) HD 2500 HK (1.194-115.0) HD 2700 DB (1.194-116.0) HD 2700 DH (1.194-117.0) HD 2700 DH (1.194-118.0) HD 2701 DR (1.194-200.0) HD 2500 MTD (1.194-114.0) HD 3000 DH (1.187-115.0) HD 3000 DH (1.187-116.0) G 2400 HH (1.194-301.0)Karcher