The Mitsubishi 4G54/G54B cylinder head, OE MD311828 and MD086520, is crafted for Mitsubishi’s 2.6L engines, supporting the performance needs of vehicles like the Pajero and Montero. Its design ensures robust durability and efficient heat management, ideal for both on-road reliability and rugged, off-road endurance.
This Mitsubishi 4G54/G54B engine cylinder head (OE MD311828, MD086520) is designed for durability in models like the Mitsubishi Pajero and Montero. Constructed from high-grade aluminum alloy, this cylinder head provides superior sealing, reliable valve control, and efficient cooling, making it ideal for high-performance and off-road
4G54/G54B Engine Cylinder Head OE：MD311828 MD086520 for Mitsubishi PAJERO L047 V32 MORTERO 1983-1989
G54B Aluminum cylinder head MD151982
Mitsubishi 4G54/G54B Engine Cylinder Head - OE: MD311828, MD086520
Engine Models: Mitsubishi 4G54, G54B
Part Numbers (OE): MD311828, MD086520
Applicable Engines
This cylinder head is engineered for Mitsubishi’s 4G54 and G54B engines, robust 2.6L inline four-cylinder engines. Known for their reliability and performance, these engines are used in various Mitsubishi models, including off-road and rugged vehicles that demand high durability.
Compatible Mitsubishi Models
- Mitsubishi Pajero (L047, V32) - 1983-1989
- Mitsubishi Montero - Early model years
Key Functions of the Cylinder Head
- Sealed Combustion Chamber: The cylinder head creates a tight seal with the cylinder block, forming a combustion chamber that ensures optimal combustion and power.
- Valve Control: Manages intake and exhaust valves, enabling efficient airflow in and out of the engine for smooth power generation.
- Cooling and Lubrication Channels: Includes channels for coolant and oil flow, allowing efficient heat dissipation and lubrication to prevent overheating and reduce engine wear.
- Engine Component Mounting: Provides mounting locations for critical components, including fuel injectors, to ensure precise fuel delivery.
Material
- Durable Aluminum Alloy: This cylinder head is constructed from high-grade aluminum alloy for lightweight strength and excellent thermal conductivity, ensuring resilience in high-temperature environments.
Notable Features
- High Temperature and Pressure Resistance: Engineered to withstand the extreme demands of off-road and high-performance applications, ensuring long-lasting reliability under high pressures.
- Enhanced Sealing: Works effectively with a cylinder head gasket to prevent leaks and maintain strong compression within the combustion chamber.
Maintenance and Replacement
Regular inspection and timely maintenance are essential to ensure the longevity of the 4G54 and G54B engines. If there are signs of overheating, coolant leaks, or reduced compression, replacing the cylinder head can restore optimal performance.
Summary
The Mitsubishi 4G54/G54B cylinder head (OE: MD311828, MD086520) is crucial for 2.6L engine applications in models such as the Pajero and Montero. Designed for durability and performance, this cylinder head ensures efficient cooling, reliable sealing, and smooth engine function, essential for both on-road and off-road conditions.
