Part: 200-3406 external gear fan pump for CAT 322C and 325C excavators, listed by Caterpillar as a 10-tooth basic gear pump.

Function: it supplies the oil that drives the cooling fan motor. It is not the motor. On the C-series the fan circuit has two serviceable parts, and this is the pump half of that pair.

Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days, three to six month warranty on the proforma invoice.