John Deere Water Pump For Units With By-pass Cooling System. If You Do Not Have By-pass Cooling System You Need To Use F2282r Plug To Cap Off Unneeded Port.
Catalog Number: 4P178
For units with by-pass cooling system. If you do not have by-pass cooling system you need to use F2282R plug to cap off unneeded port.
Part Reference Numbers: AF2368R
Fits Models: 720; 730