1. The car washing machine eliminates issues related to pressure and water flow; simply replace the pump head for optimal performance. 2. The pump head is a complete assembly, including water inlet and outlet valves and other necessary accessories. 3. Compatible with Guide Car S6, S2, S3, S1 models, King series, STT all series, White Horse series, and Black series. 4. The quality of the pump head directly affects the water pressure and service life of the cleaning machine. Choosing the correct replacement part is essential for proper function. 5. Delivers strong water pressure to effectively remove dust and dirt without damaging vehicle surfaces. 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: 2700RPM3900RPM Water inlet thread: G3/4 Outlet thread pattern: M22x1.5 (inner diameter 15mm) Power range: 600W2500W Color: Gold Material: Metal Package Contents: 1 x Pump Head Assembly Note: The package includes only the items listed above. Other products are not included. Note: Lighting effects and monitor settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 13 cm.