Water Pump 6D31-O ME391343 for Mitsubishi Diesel Engine Parts | Construction, Industrial, Marine

Product Details

Product Overview

This is a high-quality aftermarket water pump, model number ME391343, specifically designed for the Mitsubishi 6D31-O diesel engine. As a critical component of the engine’s cooling system, this water pump ensures optimal coolant circulation, preventing overheating and maintaining efficient operating temperatures under demanding conditions.

Commonly used across a wide range of heavy-duty applications including construction machinery, industrial equipment, agricultural tractors, generator sets, marine vessels, and material handling equipment, this part offers a direct replacement for the original OEM unit. Manufactured to OEM size specifications, it provides a reliable and cost-effective solution for maintaining your Mitsubishi engine’s performance and longevity.

Trust for precision engineering and consistent quality, ensuring your equipment stays operational in the field, on the job site, or at sea.

Key Features & Benefits

• Precise Fitment: Engineered to meet OEM size specifications for the Mitsubishi 6D31-O engine, ensuring a direct bolt-on replacement without modifications.
• Durable Construction: Built from high-grade materials to withstand continuous operation in harsh environments, including high temperatures and vibration.
• Reliable Cooling Performance: Designed to deliver consistent coolant flow, preventing engine overheating and reducing the risk of costly downtime.
• Rigorous Quality Control: Each unit undergoes outgoing inspection and a machinery test report is provided, confirming performance standards before shipping.
• Versatile Application: Suitable for construction, industrial, agricultural, genset, marine, and material handling equipment, making it a versatile spare part for mixed fleets.
• Cost-Effective Solution: Offers a high-quality alternative to the expensive OEM part ME391343, without compromising on reliability or service life.

Technical Specifications

OEM Cross-Reference

This water pump is a direct replacement for the following OEM part numbers:

• Mitsubishi: ME391343

Please verify your existing part number matches the above before purchase. This part is designed to meet or exceed original equipment specifications.

Compatibility

This water pump is commonly used for the following engine models and applications:

• Engine Models: Mitsubishi 6D31-O
• Applications: Construction machinery, Industrial equipment, Agricultural tractors, Generator sets (Genset), Marine engines, Material handling equipment (forklifts, loaders).

Fitment is inferred based on the engine model. Always check your engine serial number and existing part number for confirmation.

Global Supply & Distribution

As a dedicated B2B supplier, offers worldwide shipping capabilities to support your operations, no matter where you are located. We serve major international markets including:

• North America: Fast delivery to ports and industrial centers in the USA, Canada, and Mexico.
• Europe: Reliable shipping to the UK, Germany, France, Netherlands, and other EU countries.
• Asia-Pacific: Efficient logistics to Japan, South Korea, Australia, and Southeast Asian markets.
• Middle East & Africa: Supply to UAE, Saudi Arabia, South Africa, and key regional hubs.
• South America: Export to Brazil, Argentina, Chile, and Colombia.

We have extensive export experience and comply with international trade standards to ensure smooth customs clearance. Whether you need a single unit for a critical repair or bulk orders for fleet maintenance, we can meet your delivery schedule.

Quality Assurance

Every water pump is manufactured under strict quality control processes in our ISO-compliant facility in Guangdong, China. Key quality measures include:

• Outgoing Inspection: Each unit is inspected before shipment to verify dimensions, finish, and functionality.
• Machinery Test Report: Performance test reports are available upon request to confirm cooling efficiency and seal integrity.
• Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your investment.
• After Warranty Service: Online support is available for any technical inquiries or issues that may arise after the warranty period.

FAQ

Q1: Will this water pump fit my Mitsubishi 6D31-O engine directly?
A1: Yes, this water pump (ME391343) is designed to be a direct OEM replacement for the Mitsubishi 6D31-O diesel engine. It matches the OEM size and mounting specifications. However, we always recommend verifying your existing part number to ensure complete compatibility, as minor engine variations may exist.

Q2: What is the recommended installation procedure?
A2: Installation should be performed by a qualified mechanic. Key steps include draining the coolant, removing the old water pump, cleaning the mounting surface, applying a new gasket (not included), and torquing the bolts to the manufacturer’s specifications. Always replace the coolant and check for leaks after installation.

Q3: How do I maintain this water pump for long service life?
A3: Regular maintenance includes checking the coolant level and quality, ensuring the drive belt is properly tensioned, and inspecting for any signs of leakage or bearing noise. Using the correct coolant mixture (typically 50/50 water and antifreeze) will also help prevent corrosion and cavitation, extending the pump’s life.