SINOCMP DH370-7 Main Pump Seal Kit

This main hydraulic pump seal kit is engineered for the Doosan DH370-7 and DH370-9 series 37-ton hydraulic excavators. It provides a complete resealing solution for the tandem variable displacement main pumps, specifically the Kawasaki K3V180DT, Rexroth A8VO140, and Kayaba K5V160DP series. The kit contains all necessary dynamic and static seals required for a full pump overhaul, including high-pressure rotary shaft seals, piston slipper seals, valve plate face seals, control piston O-rings, and housing gaskets. Materials are selected for compatibility with mineral-based hydraulic oils (HL, HLP) and operating pressures up to 35 MPa continuous, 40 MPa peak. Direct OEM cross-reference for pump assemblies: Doosan 2401-9244, 401-00045, 401-00254A, 401-00253, 401-00254B. Component seal part numbers referenced: 2.410-00137, 2.412-00129, 2.412-00132, 2.409-00117, 400901-00050. Suitable for machines powered by Doosan DE12TIS or Daewoo D2366T diesel engines.