Part: 524-0925 variable displacement piston pump, applied by Caterpillar to the 336 GC excavator with the C7.1 engine. Alternate number 564-9801.

What Caterpillar calls it: PUMP GP-PS-B, which is Cat’s designation for a variable displacement axial piston pump. Trade parts indexes record it as the hydraulic fan pump.

Supplied as: new HTD-brand replacement, made in China, nameplate visible in our photographs. MOQ 1 piece, wooden case, dispatch 5 to 8 working days.