Product Overview

This high-quality diesel fuel pump, featuring OEM numbers 0440020045 and 51121017139, is specifically designed for MAN engine applications. As a critical component of the fuel injection system, this pump ensures precise fuel delivery and optimal engine performance. Sourced from a professional manufacturing facility in Shandong, China, this unit is available for global shipping to major markets including North America, Europe, Southeast Asia, the Middle East, and Africa. We serve B2B clients worldwide, including mining operations, construction fleets, and heavy equipment dealers, offering reliable supply chain solutions for industrial diesel engines.

Key Features & Benefits

• Precision Engineering: Manufactured from high-speed steel for exceptional durability and wear resistance in high-pressure fuel injection environments.
• 100% Professional Tested: Every unit undergoes rigorous testing to ensure reliable fuel metering and consistent performance under load.
• Direct OEM Replacement: Designed as a perfect match for MAN engine fuel systems, ensuring seamless installation and compatibility.
• Corrosion-Resistant Finish: Silver-coated exterior provides protection against environmental factors, extending service life in harsh conditions.
• Optimized Fuel Efficiency: Precision-machined components contribute to better atomization and combustion, reducing fuel consumption and emissions.

Technical Specifications

OEM Cross-Reference

This fuel pump serves as a direct replacement for the following OEM and reference numbers:

• 0440020045 (Bosch / MAN OE)
• 51121017139 (Alternative MAN Part Number)

Note: Always verify your engine’s specific requirements before ordering. Contact our technical team for cross-reference support.

Compatibility

This fuel injection pump is designed for use in MAN diesel engines. Common applications include:

• MAN TGA, TGS, TGM series trucks
• MAN construction and industrial engines (D20, D26, D28 series)
• MAN bus and coach chassis
• Agricultural and off-highway equipment powered by MAN engines

Year Range: Typically compatible with models from the early 2000s to current production. Confirm fitment with your engine serial number.

Global Supply & Distribution

We offer comprehensive global logistics to support B2B clients worldwide:

• Worldwide Shipping: Reliable delivery via sea, air, and express courier (DHL, FedEx, UPS, TNT).
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands, Poland), Asia-Pacific (Australia, Japan, South Korea, Singapore), Middle East (UAE, Saudi Arabia, Qatar), and Africa (South Africa, Nigeria, Kenya).
• Fast Delivery: Stock items dispatched within 24-48 hours. Bulk orders shipped to major ports like Shanghai, Qingdao, and Ningbo.
• Export Expertise: Experienced in international trade documentation, customs clearance, and compliance with destination country regulations.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001 certified facilities with strict quality control processes.
• Testing: Each pump is 100% professionally tested for pressure, flow rate, and leak integrity before shipment.
• Warranty: Backed by a 5-month warranty against manufacturing defects. Extended warranty options available for volume orders.
• Certifications: Complies with international quality standards for diesel engine components.

FAQ

Q1: Is this fuel pump a direct replacement for my MAN engine?
A: Yes, this pump (part numbers 0440020045 and 51121017139) is an OEM-spec replacement for MAN engines. We recommend verifying your engine model and serial number to ensure correct fitment. For assistance, provide your engine code to our technical support team.

Q2: How should I install this fuel injection pump?
A: Installation should be performed by a qualified diesel technician. Ensure the fuel system is depressurized, clean the mounting surface, and carefully align the drive coupling. After installation, prime the system and check for leaks. Refer to the MAN service manual for torque specifications and timing procedures.

Q3: What maintenance is required for this pump?
A: Regularly inspect the pump for fuel leaks, contamination, and wear. Use clean, high-quality diesel fuel and replace fuel filters as per MAN’s maintenance schedule. If you notice hard starting, loss of power, or irregular idle, have the pump inspected by a professional. Proper maintenance can extend service life to thousands of operating hours.