Mitsubishi 4M51 4M40 4M50 Cylinder Head | Diesel Engine Parts

Product Details

Product Overview

This premium cylinder head is a direct replacement for Mitsubishi 4M51, 4M40, and 4M50 diesel engines. Precision-engineered from high-grade cast iron, this component is designed to withstand extreme combustion pressures and thermal stress. We provide global shipping to major markets including North America, Europe, Southeast Asia, and the Middle East, ensuring fast delivery to industrial centers and ports worldwide.

Key Features & Benefits

• Superior Casting: Manufactured from high-strength alloy cast iron for exceptional durability and thermal conductivity.
• Precision Machining: CNC-machined valve guides, seats, and deck surface ensure a perfect seal and optimal compression ratio.
• Enhanced Cooling: Optimized water jacket design improves heat dissipation, preventing hot spots and cracking.
• Direct Fit: 100% bolt-on replacement with no modifications required, reducing installation time and labor costs.
• Rigid Quality Control: 100% pressure tested for leaks and dimensional accuracy to meet or exceed OEM specifications.

Technical Specifications

OEM Cross-Reference

This cylinder head directly replaces the following OEM part numbers:

• Mitsubishi: ME201636, ME201637
• Alternative Part Numbers: 8-98023-526-0, 8-98023-527-0

Compatibility

Engine Models:

• Mitsubishi 4M51 (4.9L)
• Mitsubishi 4M40 (2.8L)
• Mitsubishi 4M50 (4.9L)

Vehicle Applications (Typical):

• Mitsubishi Fuso Canter (4M50)
• Mitsubishi Pajero / Montero (4M40)
• Mitsubishi Delica (4M40)
• Various industrial and agricultural equipment using these engines

Global Supply & Distribution

We maintain a robust global supply chain to serve B2B clients efficiently:

• Worldwide Shipping: Air and sea freight to all major ports and airports.
• Major Markets: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, Poland), Asia-Pacific (Japan, Australia, Singapore), Middle East (UAE, Saudi Arabia, Qatar), Africa (South Africa, Nigeria), and South America (Brazil, Chile).
• Fast Delivery: Stock held in regional warehouses for express shipping within 24-48 hours.
• Trade Compliance: All products comply with international export regulations and customs requirements.

Quality Assurance

• Manufacturing Standards: ISO 9001 certified production facility.
• Testing: 100% pressure tested, dimensional inspection, and material analysis conducted on every batch.
• Warranty: 12-month warranty against manufacturing defects.
• Certifications: CE, TUV (upon request).

FAQ

Q1: Will this cylinder head fit my Mitsubishi 4M40 engine without modifications?
A: Yes, this is a direct OEM replacement. It matches the original casting and machining specifications, so no modifications are required. Ensure you use a new head gasket and torque the bolts to the manufacturer’s specifications (typically 90-100 Nm in sequence).

Q2: What is the recommended maintenance interval after installing this cylinder head?
A: After installation, we recommend checking the valve clearance after the first 500 km (300 miles) of operation. Thereafter, follow the standard engine maintenance schedule, typically inspecting the head bolts and gasket every 50,000 km (30,000 miles) for heavy-duty applications.

Q3: How can I verify the quality of this cylinder head before installation?
A: Before installation, inspect the deck surface for any scratches or warping using a straight edge. Check that all valve guides and seats are clean and free from debris. If in doubt, have a machine shop verify the flatness (should be within 0.05mm over 200mm). All our heads are pressure tested and certified before shipping.