The John Deere WZ1900105 Nozzle Holder is an original equipment manufacturer (OEM) part designed for precise fitment and optimal performance in John Deere R4000 and 4000 series self-propelled sprayers. This genuine nozzle holder ensures proper spray pattern and efficient application for agricultural operations, maintaining the integrity of your spraying system. It is compatible with models such as R4030, R4038, R4045, R4060, 4630, 4730, 4830, 4930, 4940, and R4023.