Oil Cooler For 4M40-5P Engine Excavator Spare Parts 15710-66020 15710-54050 15710-54030

Product Details

Product Overview

This high-quality Oil Cooler is specifically designed as a direct replacement for the 4M40-5P diesel engine, commonly used in a variety of excavator and heavy equipment applications. As a critical component of the engine’s lubrication system, this oil cooler ensures optimal operating temperatures by efficiently dissipating heat from the engine oil, thereby protecting vital engine components from thermal degradation and wear.

Manufactured to meet or exceed OEM specifications, this spare part carries the OEM reference numbers 15710-66020, 15710-54050, and 15710-54030. It is engineered for robust performance and long service life, making it an ideal choice for maintenance and repair of heavy machinery operating in demanding conditions. Please verify your engine model and existing part number to ensure a correct fit for your specific equipment.

Key Features & Benefits

• Precision Fitment: Designed specifically for the Mitsubishi 4M40-5P engine, ensuring a seamless installation process without modifications.
• Superior Cooling Efficiency: Manufactured with high-quality aluminum and copper cores to maximize heat transfer and maintain stable engine oil temperatures.
• Durable Construction: Built to withstand high pressure and thermal stress, offering enhanced resistance to corrosion and vibration for extended operational life.
• Direct OEM Replacement: Cross-references directly with OEM part numbers 15710-66020, 15710-54050, and 15710-54030, providing a perfect match for original equipment.
• Enhanced Engine Protection: Prevents oil overheating that can lead to sludge formation, reduced lubrication, and premature engine failure, ensuring reliable performance.
• Rigorous Quality Control: Each unit undergoes a pressure leak test to guarantee zero defects and immediate operational readiness upon installation.

Technical Specifications

OEM Cross-Reference

This oil cooler is designed as a direct aftermarket replacement for the following original equipment manufacturer (OEM) part numbers. Please confirm your existing part number for compatibility.

• Mitsubishi OEM: 15710-66020
• Mitsubishi OEM: 15710-54050
• Mitsubishi OEM: 15710-54030

Note: This part is a high-quality aftermarket replacement, not an OEM part.

Compatibility

This oil cooler is specifically engineered for the Mitsubishi 4M40-5P diesel engine. This engine is commonly used for a variety of heavy machinery and industrial equipment, including excavators, backhoe loaders, and generators. Common vehicle applications include, but are not limited to:

• Mitsubishi Pajero / Montero (various models with 4M40 engine)
• Mitsubishi L300 / Delica (4×4 variants)
• Various Excavators and Construction Machinery (e.g., Kobelco, Hitachi models using 4M40 engine)

Important: Fitment is inferred based on engine model. We strongly recommend verifying your specific engine model (4M40-5P) and existing part number before purchasing to ensure compatibility.

Global Supply & Distribution

We maintain a robust global supply chain to serve international B2B buyers efficiently. Our logistics network supports worldwide shipping to major industrial hubs and ports, including:

• North America: Los Angeles, Houston, Toronto
• Europe: Rotterdam, Hamburg, Felixstowe
• Asia-Pacific: Singapore, Shanghai, Sydney
• Middle East & Africa: Dubai, Jeddah, Durban

We offer flexible shipping options including sea freight (FOB/CIF) and air express (DDP) to meet your delivery timelines. With extensive export experience and compliance with international trade regulations, we ensure fast, reliable, and cost-effective delivery for wholesale orders, dealer networks, and maintenance contracts.

Quality Assurance

We are committed to delivering parts that meet the highest standards of quality and reliability. Each oil cooler undergoes strict quality control procedures:

• Manufacturing Standards: Produced in ISO 9001-certified facilities, ensuring consistent quality and precision engineering.
• Pressure Testing: 100% factory pressure-tested to ensure leak-proof performance and structural integrity before shipment.
• Material Verification: Raw materials are inspected for thermal conductivity and corrosion resistance to guarantee long service life.
• Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your investment.

FAQ

Q: How can I confirm this oil cooler will fit my excavator engine?

A: The most reliable method is to check the engine model plate on your equipment. This oil cooler is specifically designed for the Mitsubishi 4M40-5P engine. Additionally, locate your current oil cooler and check its stamped part number. If it matches any of the OEM numbers listed (15710-66020, 15710-54050, or 15710-54030), this part is a direct replacement.

Q: What are the common failure signs of an oil cooler on a 4M40 engine?

A: Common symptoms include engine oil mixing with coolant (often appearing as a milky substance on the dipstick or in the radiator), a sudden drop in engine oil pressure, or the engine running at higher-than-normal temperatures. Additionally, visible oil leaks around the cooler housing or a sweet smell from the exhaust (indicating coolant burning) are strong indicators of a faulty oil cooler.

Q: Is professional installation recommended for this oil cooler?

A: Yes, we strongly recommend installation by a qualified heavy equipment mechanic or diesel technician. The replacement process involves draining the coolant and engine oil, disconnecting cooling lines, and ensuring a proper seal to prevent leaks. Proper torque specifications and gasket replacement are critical for reliable operation. Incorrect installation can lead to engine damage.