Karcher K5.740 OEM Replacement Coupler #4.645-363.0 (2-pack)
Karcher K5.740 OEM Replacement Coupler #4.645-363.0 (2-pack).
Karcher K5.740 Genuine OEM Replacement Coupler – 4.645-363.0
Genuine OEM Karcher Replacement Part . Consult owners manual for proper part number identification and proper installation. Please refer to list for compatibility.