Mitsubishi 4G22D4 and 4G20D4 Engine Cylinder Head - OE: 1003034, 1003106
Engine Models: Mitsubishi 4G22D4, 4G20D4
Part Numbers (OE): 1003034, 1003106
Applicable Engines
This cylinder head is specifically designed for Mitsubishi’s 4G22D4 and 4G20D4 engines, which are inline 4-cylinder gasoline engines used in various Mitsubishi passenger and light commercial vehicles for reliable power and fuel efficiency.
Compatible Mitsubishi Models
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Mitsubishi ASX
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Mitsubishi Outlander
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Mitsubishi Lancer
Key Functions of the Cylinder Head
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Sealed Combustion Chamber: Works with the cylinder block to form a sealed combustion chamber, facilitating efficient air and fuel mixture and combustion.
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Valve Control: Integrates intake and exhaust valves to regulate air intake and exhaust output, ensuring smooth and efficient engine cycles.
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Cooling and Lubrication Channels: Equipped with cooling and oil channels to maintain optimal temperature and prevent wear, supporting engine durability and performance.
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Fuel Injector Mounting: Provides mounting points for fuel injectors, ensuring precise fuel delivery into the combustion chamber for enhanced engine efficiency.
Material
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Aluminum Alloy: Made of aluminum alloy for efficient heat dissipation and corrosion resistance, ensuring reliability and long service life even under high-stress conditions.
Notable Features
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Heat and Pressure Resistance: Designed to withstand high combustion pressures and temperatures, enhancing the longevity and stability of the cylinder head under varying driving conditions.
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Enhanced Sealing: Works with the cylinder head gasket to create a leak-proof seal, preventing coolant and fuel leaks and supporting optimal engine performance.
Maintenance and Replacement
Regular inspection and maintenance of the cylinder head are recommended, especially if the engine experiences overheating, coolant leakage, or gasket wear. Timely attention can prevent extensive repairs and support sustained performance.
Summary
The Mitsubishi 4G22D4 and 4G20D4 engine cylinder head, with OE numbers 1003034 and 1003106, is an essential component for the efficient operation of Mitsubishi’s inline 4-cylinder engines found in models like the ASX, Outlander, and Lancer. Constructed with heat resistance and strong sealing, it supports a balanced performance across fuel-efficient and high-demand driving environments.
