John Deere Water Pump For Units With By-pass Cooling System. Casting Number R5318r. Uses 3/8" Pulley Width. If You Do Not Have By-pass Cooling System You Need To Use F2282r Plug To Cap Off Unneeded Port.
Catalog Number: 4P164
For units with by-pass cooling system. Casting number R5318R. Uses 3/8" pulley width. If you do not have by-pass cooling system you need to use F2282R plug to cap off unneeded port.
Part Reference Numbers: AA6327R
Fits Models: 60 INDUST/CONST; 620; 630; A; AO; AR