Jabsco Par-Max HD5 Heavy Duty Water Pressure Pump - 12V - 5 GPM - 40 PSI

The Jabsco Par-Max HD5 Heavy Duty Water Pressure Pump is purpose-built for vehicle wash-down systems, auxiliary cooling circuits, and mobile detailing rigs where reliable 12-volt DC power drives consistent water delivery. Mechanics and off-road enthusiasts rely on this pump for engine bay flushing, radiator maintenance, and portable rinse stations in remote locations where municipal water pressure isn't available.

Its self-priming design eliminates the need for external priming, making it ideal for truck beds, trailers, and custom vehicle installations where space and convenience matter. Operating at 40 PSI with a 5 GPM flow rate, the Jabsco Par-Max HD5 delivers sufficient pressure for effective rinsing and cleaning without overwhelming sensitive engine components or paint finishes. The heavy-duty construction withstands continuous duty cycles, vibration, and harsh engine-bay environments typical of service trucks and expedition vehicles.

Professional mechanics frequently integrate this pump into custom detailing setups and auxiliary cooling systems for high-performance or modified engines running extended duty cycles. Its compact footprint fits neatly under seats, in cargo areas, or behind panels, while the 8.4-pound weight won't noticeably burden fuel economy or weight distribution on light-duty or mid-size platforms.