Hydraulic pump coupling assembly. The assembly includes: 1 splined center hub, 1 plastic coupling element, 8 inserts, 8 insert bolts, 2 set screws, 8 roll pins, and 4 cotter pins, for a Hitachi excavator model Zaxis 370, John Deere excavator model 330C, and many more. Price: $398.00 OEM Part # = 4216944 Buy Now HITACHI, John Deere - Hydraulic excavator View Details