All States Ag Parts Water Pump John Deere 400 401 2020 1520 440B 440 380 300B 301A 480 300 440A 1020 301 AT29618 Fits John Deere Tractor(s) 1020, 1520, 2020 (all Gas) Fits John Deere Construction & Industrial(s) 300, 300B, 301, 301A, 380, 400, 401, 440, 440A, 440B, 480 (all Gas) Replaces John Deere OEM nos AT29618, R23631 Replaces Casting nos AT21205, R23631T, T23631 Includes: Press On Pulley, and mounting gaskets