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Engine Parts

We are setting new standards for customer value with our ‘3B’ (Best Speed, Best Quality, Best Price) policy and global network.

Our Policy

Our policy is to put the client first by delivering top quality parts and materials at the best price and best quality in the shortest time. Timely parts replacement and engine maintenance are critical for optimal engine performance, and we are committed to ensuring the engines we build are always operating at their best. To this end, we use our global network to sell and deliver GENUINE parts to clients wherever and whenever they are needed.

Our Role

  • GENUINE parts sale & quality assurance
  • Sale of parts with engine delivery
  • Sale of parts while ship is at sea
  • Best Speed : Best Speed : Respond within 1 day, Deliver quickly via the global network
  • Best Quality : Supply GENUINE parts through a quality assurance system
  • Best Price : Supply parts at the most reasonable price

Major Items

Hanwha Engine supplies numerous essential parts for customers by genuine spare parts. The major items available are listed below ;

  • Cylinder Liner
    Cylinder Liner

    This structural part maintains the pressure in the combustion chamber. It guides the piston and prevents pressure from escaping during the scavenge, compression, expansion and exhaust phases of the combustion cycle.

  • Piston Crown
    Piston Crown

    The piston crown absorbs the force of the air compression and fuel explosion inside the combustion chamber, driving the piston up and down inside the cylinder liner.

  • Exhaust Valve Spindle
    Exhaust Valve Spindle

    This part moves up and down inside the exhaust valve, opening and closing to let the exhaust gas in and out.

  • Exhaust Valve Housing
    Exhaust Valve Housing

    This part holds the exhaust vale spindle in place and guides its motion.

  • Pump Barrel Plunger
    Pump Barrel Plunger

    The pump barrel plunger is attached to the fuel pump housing. Its vertical reciprocating motion keeps the fuel oil at around 800bar pressure .

  • Piston Ring
    Piston Ring

    The piston rings seal in the gas combusted during the power stroke and create an oil film that lubricates the cylinder liner.

  • Spindle Guide
    Spindle Guide

    This part guides the fuel valve that injects the fuel oil, which has been highly pressurized by the fuel pump, into the combustion chamber.

  • Exhaust Valve Seat
    Exhaust Valve Seat

    This part is assembled onto the bottom of the exhaust valve housing and serves as the spindle valve seat.

  • Puncture Valve
    Puncture Valve

    When the shutdown system or stop signal is activated, this part releases the pressurized air in the compression chamber to prevent the fuel from discharging.

  • Main Bearing
    Main Bearing

    This bearing supports the force generated by the crankshaft journal during combustion.

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Global Performance

Global Performance

We have developed environment friendly engine and the largest engine for the first in the world. Doosan Engine will support the shipbuilding industry of Korea.



We make the full range of large diesel engines and have played an important role in making Korea the world"s leading shipbuilder. We also construct diesel power plants.

Brochures / Catalogues

Brochures / Catalogues

Various promotional publications provide the details on shat our business is and how well we perform.