ME221681 Cylinder Liner For Mitsubishi 4M51 Engine Parts HDparts Brand OEM Size

Product Details

Product Overview

This premium cylinder liner, bearing the part number ME221681, is a direct OEM-size replacement component specifically designed for the Mitsubishi 4M51 diesel engine. Manufactured under the reputable HDparts brand, this liner is precision-engineered to restore engine compression and oil control, ensuring reliable performance in demanding environments.

As a critical component of the engine block assembly, this cylinder liner provides a durable, wear-resistant surface for the piston to travel. It is commonly used in a wide range of heavy-duty applications, including construction machinery, industrial equipment, agricultural tractors, generator sets, marine propulsion, and material handling equipment. This part is an ideal solution for engine overhaul or rebuild projects requiring a direct OEM-fit component.

Key Features & Benefits

• OEM Specification Fitment: Manufactured to the exact OEM size and tolerances (Part # ME221681) for a direct, hassle-free installation without modification.
• Enhanced Durability: Constructed from high-grade cast iron to withstand extreme combustion pressures, high temperatures, and continuous operation, providing a long service life.
• Superior Wear Resistance: Features a hardened surface that minimizes friction against piston rings, reducing wear and extending the interval between engine overhauls.
• Reliable Oil Control: Precision-machined bore ensures optimal piston ring seal, preventing blow-by and reducing oil consumption for cleaner, more efficient engine operation.
• Rigorous Quality Control: Each liner undergoes strict dimensional inspection and leak testing to guarantee performance and reliability, backed by a 6-month warranty.
• Versatile Application: Suitable for a broad range of equipment from construction to marine, making it a versatile stock item for repair shops and parts dealers.

Technical Specifications

OEM Cross-Reference

This cylinder liner is manufactured to replace the following genuine Mitsubishi part number:

• Mitsubishi OEM: ME221681

Note: This is a direct replacement for the standard OEM size liner. For oversized variants, please consult the manufacturer.

Compatibility

This cylinder liner is specifically designed for the Mitsubishi 4M51 diesel engine. It is commonly used for engine overhaul and repair in the following equipment categories:

• Construction Machinery (e.g., Excavators, Bulldozers)
• Industrial Equipment (e.g., Forklifts, Air Compressors)
• Agricultural Tractors and Harvesters
• Diesel Generator Sets (Genset)
• Marine Propulsion Engines
• Material Handling Equipment

Fitment is inferred based on the engine model. Always verify compatibility with your specific engine serial number and equipment manufacturer before installation.

Global Supply & Distribution

We offer worldwide shipping and maintain a robust supply chain to serve international B2B clients. Our major markets include:

• North America: Fast delivery to the USA, Canada, and Mexico via major ports (Los Angeles, Houston, Vancouver).
• Europe: Efficient distribution to the UK, Germany, France, Netherlands, and other EU countries (Rotterdam, Hamburg).
• Asia-Pacific: Rapid service to Australia, New Zealand, Singapore, Japan, and Southeast Asia.
• Middle East & Africa: Reliable shipping to UAE, Saudi Arabia, South Africa, and Nigeria (Dubai, Jebel Ali).
• South America: Serving Brazil, Chile, Argentina, and Peru via key ports (Santos, Valparaiso).

We have extensive export experience and can handle all international trade documentation. OEM service is available for volume orders. Contact us for bulk pricing and lead times.

Quality Assurance

This product is manufactured in an ISO-compliant facility in Guangdong, China, ensuring consistent quality control. Each cylinder liner is produced using advanced casting and machining processes.

• Testing: Machinery test reports and outgoing video inspections are provided upon request.
• Warranty: Backed by a standard 6-month warranty against manufacturing defects in materials and workmanship.
• Standards: Adheres to international quality standards for diesel engine components.

FAQ

Q: Is this cylinder liner a direct replacement for the original Mitsubishi part?
A: Yes, this HDparts cylinder liner (ME221681) is manufactured to OEM specifications for the Mitsubishi 4M51 engine. It is a standard-size (OEM size) replacement designed for direct fitment. However, we always recommend comparing the part physically or by serial number to your original component before installation.

Q: Do I need to measure the cylinder bore before installation?
A: Yes. While this is a standard OEM-size liner, you must measure the cylinder block bore and the new liner’s outer diameter to ensure proper interference fit. Also, measure the liner’s inner diameter after installation to confirm it meets the manufacturer’s specifications for piston clearance. Professional installation by a qualified diesel mechanic is strongly advised.

Q: What is the typical lifespan of this cylinder liner?
A: The lifespan depends heavily on operating conditions, maintenance schedules, and fuel quality. Under normal conditions, a high-quality cast iron liner like this can last thousands of hours. Proper break-in, regular oil changes, and clean air filtration are critical to maximizing its service life. This liner is designed to restore the engine to its original performance specifications.