All of our new parts are aftermarket replacements. Compatible with John Deere Tractor(s) 1020, 1520, 2020 (all Gas). Compatible with 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. For a Remanufactured version of this sku use 205640. For water pump to backplate gasket use 154897. For backplate to block gasket use 154898. All States Ag Parts Item No.