Lightweight and robust pump featuring: liquid cooled, computer controlled, brushless motor and a high efficiency flow-thru in-line design. The pump has decreased energy draw, a drive mechanism independent of engine RPM and easy remote mounting - no weight penalty. It cools the engine after shutdown and can be used in 12 and 16 Volt applications. The pump is 5 lbs, 6.3 inch long x 4.25 inch wide.