1 x Main Hydraulic Pump Coupling Assy. John Deere Excavator 330LC 330LCR 370C 892DLC. For the parts described with both part number and application machine model or engine model, please make sure to order according to the part number, the application machine model or engine model is just for reference. We supply New Aftermarket Parts for the following. Off Road Truck Parts. Other Heavy Machine Parts. If you need more information, or need more quantity, or have other questions. We keep our promise to provide you with the best solution within 24 hours. Thank you very much!