Mitsubishi 4M40 Water Pump ME993473 | Engine Cooling System Part for Excavator & Industrial Use

Product Details

Product Overview

This premium Mitsubishi 4M40 water pump (OEM Number: ME993473) is a direct replacement cooling system component designed for high-demand industrial and excavator applications. Manufactured to meet or exceed OEM specifications, this water pump ensures reliable engine cooling performance for Mitsubishi 4M40 diesel engines used in a wide range of heavy equipment. We offer global shipping to major markets including North America, Europe, Asia-Pacific, the Middle East, and South America, with fast delivery to industrial hubs and ports worldwide.

Key Features & Benefits

• OEM-Grade Fitment: Precision-engineered to match the original Mitsubishi ME993473 specifications for a seamless, bolt-on installation.
• Superior Durability: Constructed with a high-quality cast iron body and a robust bearing system to withstand extreme operating temperatures and pressures.
• Leak-Proof Performance: Features a premium mechanical seal and gasket kit to prevent coolant leaks and ensure long-term reliability.
• Extended Service Life: Designed for extended maintenance intervals, reducing downtime for your fleet or machinery.
• Cost-Effective Solution: A high-quality aftermarket alternative to the expensive dealer part, offering significant savings without compromising performance.

Technical Specifications

OEM Cross-Reference

This water pump is a direct replacement for the following Mitsubishi OEM and reference numbers:

• Mitsubishi OEM: ME993473, ME220554

Note: Always verify your original part number before purchasing to ensure correct fitment.

Compatibility

This water pump is specifically designed for the Mitsubishi 4M40 diesel engine. Typical applications include:

• Excavators: Various models from manufacturers like Caterpillar, Komatsu, and Hitachi that utilize the 4M40 engine.
• Industrial Equipment: Forklifts, generators, and agricultural machinery powered by the 4M40.
• Vehicle Applications: Certain Mitsubishi trucks and vans (e.g., Delica, Pajero) equipped with the 4M40 engine. Verify year and model specifics.

Global Supply & Distribution

We are a dedicated supplier of high-quality engine parts for the global B2B market. Our logistics network ensures:

• Worldwide Shipping: Reliable delivery via sea, air, and express courier (DHL, FedEx, UPS) to any destination.
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Japan, South Korea, Australia, Singapore), Middle East (UAE, Saudi Arabia, Qatar), and South America (Brazil, Chile, Peru).
• Fast Delivery: Stock items are dispatched within 24 hours to major ports like Shanghai, Rotterdam, Los Angeles, and Jebel Ali.
• Trade Compliance: We handle all export documentation, ensuring smooth customs clearance for international buyers.

Quality Assurance

• Manufacturing Standard: Produced under strict ISO 9001 quality management systems.
• Testing: Each water pump is individually tested for pressure, flow rate, and seal integrity before shipment.
• Warranty: We offer a standard 12-month warranty against manufacturing defects from the date of purchase.
• Certification: All parts comply with international standards for material and performance.

FAQ

Q1: Is this water pump a direct replacement for the original Mitsubishi part?
Yes, this water pump is designed as a direct, drop-in replacement for the original Mitsubishi ME993473 part. It matches the OE dimensions, bolt pattern, and hose connections, requiring no modifications for installation.

Q2: What are common signs that my 4M40 water pump needs to be replaced?
Common failure signs include coolant leaking from the pump weep hole, a noisy or grinding bearing (often heard as a whining sound from the front of the engine), engine overheating, or visible corrosion/rust around the pump housing. If you notice any of these, immediate replacement is recommended to prevent engine damage.

Q3: What is the recommended installation procedure and do you provide a gasket?
The water pump is supplied with a gasket. We recommend thoroughly cleaning the mounting surface, applying a thin layer of high-quality gasket sealant (optional), and torquing the bolts to the manufacturer’s specification. Always replace the coolant and bleed the cooling system after installation. For specific torque values, consult your engine service manual.