The car washing machine may experience issues such as loss of pressure or no water flow, which can often be resolved by replacing the pump head. The pump head is an assembled unit that includes inlet and outlet valves along with other internal components. This pump head is compatible with Guide Car models S6, S2, S3, S1, King series, STT all series, White Horse series, and Black series. The quality of the pump head directly affects the water pressure and overall service life of the pressure washer, making it a critical component for proper performance. Delivers strong water pressure capable of removing dust and dirt without damaging vehicle paint. Application: Car washing machine accessory Structure: Booster pump Power source: Electric Pressure type: High pressure Voltage: 220V Maximum pressure: 20MPa (2900 PSI) Maximum flow rate: 550L/H Motor speed range: 2700RPM–3900RPM Water inlet thread: G3/4 Outlet thread pattern: M22x1.5 (inner diameter 15mm) Power range: 600W–2500W Color: Gold Material: Metal Package Contents: 1 x Pump Head Assembly Note: Other items not included. Note: Lighting effects and monitor settings may cause slight variations in color appearance. Measurement tolerance: ±1–3 cm.