DB58 DB58T DB58TIS Oil Pump for Doosan DH225 DH220 Machinery High-quality oil pump (Part Numbers: 65.05103-7020, 65.05100-7021) designed for Doosan DH225 and DH220 excavator engines. This essential engine component ensures proper lubrication system operation. Kit Components Gaskets and Seals: Prevent oil leaks at pump housing, cover plate, and mounting surfaces Rotors or Gears: Primary pumping elements (inner/outer rotors or gear sets) that create flow and pressure Drive