Product Overview

This high-quality cylinder block is engineered for the Mitsubishi 4M40 diesel engine, a critical component for professional rebuild kits. Designed for durability and precise fitment, it is an essential part for restoring engine performance in industrial machinery. We supply this component globally, with extensive experience serving major markets across North America, Europe, Asia-Pacific, and the Middle East.

Key Features & Benefits

• Premium Casting: Manufactured from high-grade alloy cast iron for superior strength, thermal stability, and resistance to warping under extreme loads.
• Precision Machining: All critical surfaces, bores, and mounting points are CNC-machined to exact OEM specifications, ensuring perfect alignment and oil/water passage integrity.
• Enhanced Durability: Reinforced webbing and material composition provide exceptional longevity, making it ideal for demanding excavator and heavy equipment applications.
• Direct Replacement: Designed as a direct OEM substitute, facilitating straightforward installation without modifications to ancillary components.
• Global Compliance: Produced to meet international quality standards, suitable for replacement parts distribution worldwide.

Technical Specifications

OEM Cross-Reference

This cylinder block serves as a direct replacement for the following OEM part numbers. Always verify the specific number for your application.

• Mitsubishi OEM: [Please confirm specific part number, e.g., MD123456]
• Common Aftermarket Reference: CB-4M40

Note: Specific OEM numbers can vary. Contact our technical support with your engine serial number for precise cross-reference verification.

Compatibility

This cylinder block is compatible with machinery equipped with the Mitsubishi 4M40 diesel engine. Common applications include:

• Mitsubishi Excavators: Models such as the Mitsubishi MS/MR series.
• Other Heavy Equipment: May also be used in certain loaders, generators, and industrial power units utilizing the 4M40 powerplant.

Fitment Note: Compatibility is engine-specific. Always verify the engine model and serial number from the machine’s identification plate before ordering.

Global Supply & Distribution

We are a leading supplier of heavy-duty engine components for the international B2B market. Our logistics network ensures reliable delivery to key industrial regions worldwide.

• Worldwide Shipping: We export via air and sea freight to all major global markets.
• Key Markets Served: North America (USA, Canada), European Union, United Kingdom, Australia, Southeast Asia, Middle East, and Africa.
• Efficient Logistics: Fast container and LCL shipments to major ports like Los Angeles, Rotterdam, Singapore, Dubai, and Sydney.
• Export Expertise: Full documentation support (Commercial Invoice, Packing List, Certificate of Origin) and compliance with international trade regulations for seamless customs clearance.

Quality Assurance

Every cylinder block undergoes rigorous quality control to meet the demands of professional engine rebuilders.

• Manufacturing Standards: Produced in ISO-certified facilities using controlled processes.
• Dimensional Inspection: 100% critical dimension verification against OEM blueprints ensures perfect fit.
• Pressure Testing: Each block is tested for coolant and oil gallery integrity.
• Warranty: Backed by a standard 12-month warranty against manufacturing defects.

FAQ

Q: Is this a complete, ready-to-assemble cylinder block?
A: Yes, this is a new, fully machined cylinder block assembly. It includes the main bearing caps and is ready for the installation of crankshaft, pistons, cylinder head, and ancillary components.

Q: What other components are typically needed for a complete 4M40 engine rebuild?
A: A complete overhaul requires additional kit components such as pistons, piston rings, connecting rods, crankshaft, camshaft, bearings, cylinder head, gasket set, and timing components. We supply all necessary parts—contact us for a full kit quote.

Q: Do you provide technical support for installation and fitment verification?
A: Absolutely. Our technical team can assist with pre-purchase compatibility checks using your engine serial number and provide guidance on installation procedures and torque specifications.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .