12mm Stem-Clamp Pump Head with Pressure Adjustment Knob for Car Washer

This car washer part is a molded pump head assembly with a compact black body, designed as a 12 mm stem-clamp pump head for organized placement on compatible equipment. The pressure-regulating pump head includes a vertical adjustment knob, giving you a direct way to tune the operating pressure for different washing tasks and system needs. A side threaded metal outlet fitting provides a secure connection point, while the threaded ports support multiple hose and system connection options. Built with bottom mounting ears and a reserved side hole for a pressure gauge, this pump head is arranged for practical assembly and monitoring. As a pump head for car washer use, it helps form a stable, functional pump connection setup that supports consistent washer operation in compact installations.