Late D9G Gear Hunt.

Could anybody help me locate a gear for the Accessory Drive Shaft on a D9G the part N'o is 2P4715 with 64 teeth, this was fitted to D9's from S/No 66A11908 up and onward into the D9H tractors, the gear drives the water pump gear that also powers the fan pulley, any help or suggestions would be very thankfully sought. tctractors.

Doesn't appear there are many out there....
https://www.machinerytrader.com/parts/search?page=1&partnumber=2p4715&searchtype=starts-with

Check dismantled machines for used parts...
https://www.machinerytrader.com/listings/construction-equipment/dismantled-machines/list/manufacturer/caterpillar/model/d9g

Thank you for your help O.M. we are chasing up a lead in the U.K. but will be contacting your suggested locations as we have struggled with this gear, thank you again. tctractors