4D56 4D56U Cylinder Liner for Mitsubishi Diesel Engine – Excavator, Truck, Forklift Parts

Product Details

Product Overview

This high-performance cylinder liner is specifically designed for the Mitsubishi 4D56 and 4D56U diesel engines. As a critical component of the engine block, this liner provides a durable and precise bore surface for piston operation, ensuring optimal compression and combustion efficiency. It is a direct replacement part manufactured to OEM size specifications, making it suitable for a wide range of heavy equipment applications.

Commonly used in excavators, trucks, forklifts, bulldozers, buses, and loaders, this cylinder liner is an essential spare part for engine overhauls and rebuilds. While primarily designed for the 4D56U engine model, it is also compatible with the standard 4D56 engine platform. For precise fitment verification, please cross-reference your existing part number with the specifications provided below.

Key Features & Benefits

• OEM Standard Dimensions: Manufactured to exact OEM size specifications, ensuring a perfect fit within the engine block without the need for additional modifications.
• High-Performance Material: Constructed from premium-grade cast iron to withstand extreme temperatures, high pressure, and continuous friction, extending the service life of the engine.
• Enhanced Durability: Features a hardened wear-resistant surface that reduces cylinder wall scoring and maintains consistent piston ring seal over thousands of operating hours.
• Improved Engine Efficiency: Precision-machined bore geometry ensures optimal piston-to-liner clearance, reducing blow-by and improving fuel combustion efficiency.
• Reliable Heat Dissipation: Engineered for excellent thermal conductivity, this liner helps dissipate heat away from the combustion chamber, preventing overheating and thermal distortion.
• Versatile Application: Suitable for a wide array of heavy machinery including construction equipment, material handling vehicles, and agricultural machinery powered by the 4D56 series engine.
• Stringent Quality Control: Each liner undergoes rigorous inspection including hardness testing and dimensional verification to guarantee consistent quality.

Technical Specifications

OEM Cross-Reference

This cylinder liner is designed to replace or serve as an alternative to the following original equipment manufacturer (OEM) part numbers. Please verify your specific engine requirements before ordering.

• Primary Fitment: Mitsubishi 4D56U Engine
• Compatible OEM Numbers: ME201635, ME201636, ME203784 (Reference numbers for 4D56 series liners)
• Note: This part replaces standard cylinder liners for the 4D56 engine family. For exact cross-reference, compare the liner height, outer diameter, and flange thickness with your original part.

Compatibility

This cylinder liner is commonly used for the following engine models and applications. Fitment is inferred based on standard engine specifications.

• Engine Models: Mitsubishi 4D56, 4D56U, 4D56-T (Turbo)
• Vehicle & Equipment Applications:
  • Excavators (e.g., Mitsubishi construction mini-excavators)
  • Trucks (Light-duty Mitsubishi Canter, L200, and similar models)
  • Forklifts (Mitsubishi FD series, Nissan, TCM with 4D56 engine)
  • Bulldozers & Loaders (Small to mid-size models)
  • Buses (Mitsubishi Rosa and similar chassis)
  • Agricultural & Industrial Machinery

Global Supply & Distribution

We offer comprehensive worldwide shipping capabilities to meet the demands of international B2B buyers. Our logistics network ensures fast and reliable delivery to major ports and industrial centers across the globe.

• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Italy, Spain), Asia-Pacific (Japan, South Korea, Australia, Southeast Asia), Middle East (UAE, Saudi Arabia, Qatar), Africa, and South America.
• Shipping Options: Express (DHL, FedEx, UPS), Air Freight, and Sea Freight (FCL/LCL) available based on order volume and urgency.
• Export Experience: We are experienced in international trade compliance, including proper customs documentation, HS code classification, and packaging for long-distance transit.

Quality Assurance

We are committed to delivering high-quality engine components that meet rigorous industry standards. Each cylinder liner is produced under strict quality control protocols.

• Manufacturing Standards: ISO 9001:2015 certified production processes.
• Testing: Each batch undergoes machinery test reports and outgoing video inspections to verify dimensional accuracy and surface finish.
• Inspection: 100% inspection for hardness, ovality, and surface defects before packaging.
• Warranty: 6-month warranty against manufacturing defects in material and workmanship under normal operating conditions.

FAQ

Q1: How do I confirm this cylinder liner will fit my Mitsubishi 4D56 engine?
A: Verify your engine model number (look for 4D56 or 4D56U stamped on the engine block). For fitment confidence, measure the liner bore diameter (standard size), liner height, and outer diameter of your existing liner. Our part is manufactured to OEM standard dimensions. If you have a modified or bored-out engine, please consult your mechanic before ordering.

Q2: What is the recommended installation procedure for this cylinder liner?
A: Installation should be performed by a qualified diesel mechanic. The liner should be installed using a proper liner press to avoid distortion. Ensure the engine block bore is clean and free of debris. Apply a light coat of engine oil to the liner O-ring (if applicable) and the outer surface. After installation, check the liner protrusion height relative to the block deck surface to ensure it is within the manufacturer’s specification.

Q3: How can I maximize the lifespan of this cylinder liner?
A: Longevity depends on proper maintenance. Use high-quality engine oil and replace it at recommended intervals. Ensure the cooling system is functional to prevent overheating. Always use new piston rings and a properly honed cylinder bore surface when installing a new liner. Avoid excessive engine loads during the break-in period (first 50 hours of operation).