One New Aftermarket Replacement Fits John Deere Water Pump (with 3/8″ Pulley) that fits Tractor models: A (S/N 700200>), AO (S/N 281400>), AR (S/N 281400>), 60, 620, and 630.Comes with Gasket.All with the Bypass Cooling System which Requires the Small Port at the Base of the Pump (see pictures)PLEASE NOTE: If your tractor does NOT use a bypass cooling system, you may want to plug the bypass hole with Part Number F2282R — Search our Store for this Item.ACTUAL PHOTOS.
Replaces Part(s): AA6327R, AA6372R