Pulley, Water Pump (SN 350000 > ). PART NO: A-R70435. New water pump pulley fits multiple John Deere models. . MODELS: John Deere TRACTOR: 1140 John Deere TRACTOR: 2040 (SN 350000 > ) John Deere TRACTOR: 2150 (SN < 704045) John Deere TRACTOR: 2240 (SN 350000 > ) John Deere TRACTOR: 2255 (SN < 704045).