Product Overview

This HDPARTS ME221681 Cylinder Liner is a precision-engineered replacement component designed for Mitsubishi 4M51 series diesel engines. Manufactured to strict OEM specifications, it ensures optimal engine performance, longevity, and reliability in demanding applications. We specialize in global B2B supply, serving major industrial markets across North America, Europe, the Asia-Pacific region, the Middle East, and Africa with efficient logistics and export compliance.

Key Features & Benefits

• Premium Material & Manufacturing: Crafted from high-grade cast iron alloy for superior wear resistance, thermal stability, and excellent heat dissipation.
• Precision OEM Dimensions: Manufactured to exact OEM size and tolerances, guaranteeing a perfect fit and seamless installation without engine modification.
• Enhanced Durability: Engineered to withstand high compression and thermal stresses, extending engine overhaul intervals and reducing total operating costs.
• Optimized Surface Finish: Features a honed surface that promotes optimal oil retention and ring seating, ensuring efficient combustion and minimizing blow-by.
• Versatile Application: A reliable solution for a wide range of industrial, construction, and power generation equipment.

Technical Specifications

OEM Cross-Reference

This cylinder liner is a direct replacement for the original Mitsubishi part number ME221681. It is manufactured to be dimensionally and functionally identical to the genuine OEM part, ensuring full compatibility.

Compatibility

This cylinder liner is specifically designed for the Mitsubishi 4M51 diesel engine. This engine is commonly found in a broad spectrum of heavy-duty machinery, including:

• Construction Equipment: Excavators, wheel loaders, bulldozers.
• Industrial Machinery: Pumps, compressors, industrial power units.
• Power Generation: Diesel generator sets (Gensets).
• Marine Applications: Auxiliary marine engines.
• Agriculture & Handling: Tractors, forklifts, and material handling equipment.

Global Supply & Distribution

We are a professional B2B exporter with extensive experience in the international automotive parts trade. Our streamlined supply chain ensures reliable and cost-effective delivery to your destination.

• Worldwide Shipping: We ship to all major global markets via air, sea (FCL/LCL), and express courier services.
• Key Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia, Southeast Asia, Middle East, South America, and Africa.
• Fast Delivery to Hubs: Efficient logistics to major ports and industrial centers like Los Angeles, Rotterdam, Singapore, Dubai, and Sydney.
• Trade Compliance: All documentation (Commercial Invoice, Packing List, Certificate of Origin) is provided to ensure smooth customs clearance.

Quality Assurance

We are committed to supplying parts that meet the highest standards of quality and reliability.

• Manufacturing Standards: Produced in ISO-certified facilities using advanced machining and quality control processes.
• Warranty: Backed by a 6-month warranty against manufacturing defects from the date of purchase.
• Testing & Inspection: Each batch undergoes rigorous machinery testing. A machinery test report and video outgoing-inspection records are available upon request to verify dimensional accuracy and material integrity.
• OEM Service: Custom manufacturing and private labeling services are available for large-volume B2B clients.

FAQ

Q: How can I verify this part will fit my specific Mitsubishi 4M51 engine?
A: The part number ME221681 is the primary identifier. We recommend cross-referencing this number with your engine’s service manual or the original part removed. You can also provide us with your engine’s serial number for additional verification.

Q: What precautions should be taken during installation?
A: Always ensure the engine block bore is clean, smooth, and within specified tolerances before installation. Use the appropriate installation tools to avoid damaging the liner. Proper sealing and following the engine manufacturer’s torque specifications and procedures for liner protrusion are critical to prevent coolant leakage and ensure optimal performance.

Q: Do you offer technical support or compatibility guides?
A: Yes. Our technical team can provide support for B2B clients. For complex applications, we recommend consulting with a qualified diesel engine mechanic. We can supply detailed dimensional drawings and compatibility lists for large orders.

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 .