This is the plug on the side of the 3 point hitch 90 degree gearbox. It includes the gasket ring, part no. 600430 (Ibex) & O12003/4 (Galfre).
Fits the following machines:
Ibex TS51C Drum...
This gearbox assembly comes with the gearbox case plus all of the internal components (shaft, gears, bearings, seals, PTO spline, and all retaining parts.