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.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .