Product Overview

This is a professional-grade, remanufactured Bosch common rail fuel injection pump, part number 0445020521. Engineered to restore optimal fuel delivery and pressure for high-performance diesel engines, it is a critical component for maintaining engine efficiency and power. We supply this part globally to major markets including North America, Europe, the Middle East, and Asia-Pacific, supporting workshops, fleet operators, and parts distributors with reliable, cost-effective solutions.

Key Features & Benefits

• Factory-Remanufactured Quality: Fully disassembled, cleaned, and rebuilt to meet stringent OEM performance specifications, ensuring like-new reliability.
• Precision Fuel Delivery: Restores precise high-pressure fuel flow to the common rail system for optimal combustion, power, and fuel economy.
• Enhanced Durability: Critical internal components are inspected and replaced with high-quality parts to ensure extended service life under demanding conditions.
• Cost-Effective Solution: Provides a significant cost saving compared to a new OEM pump without compromising on performance or reliability.
• Direct Fitment: Designed as a direct bolt-on replacement, ensuring straightforward installation and compatibility with the engine’s ECU and sensor controls.

Technical Specifications

OEM Cross-Reference

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

• Bosch: 0445020521, 0 445 020 521
• This part is commonly specified for applications using the Bosch CP series high-pressure fuel pump.

Compatibility

This fuel pump is designed for specific diesel engines utilizing Bosch common rail injection systems. Primary applications include:

• Vehicle Brands: BMW, Jiangling Motors (JMC)
• Engine Note: Compatible with diesel engines that use the Bosch 0445020521 pump assembly for fuel pressure generation and control via the Engine Control Unit (ECU).
• Important: Always verify the original part number on your failed unit before ordering to ensure correct fitment for your specific engine model and year.

Global Supply & Distribution

We are a specialized exporter of diesel engine components with extensive experience in international B2B trade. Our logistics network ensures efficient delivery to key industrial regions worldwide.

• Worldwide Shipping: We ship via major carriers including DHL, TNT, UPS, FedEx, and EMS, with door-to-door service available.
• Major Markets Served: We regularly supply distributors and workshops in North America (USA, Canada), the European Union, the United Kingdom, Australia, the Middle East (UAE, Saudi Arabia), and Southeast Asia.
• Fast Delivery: Standard delivery to major ports and logistics hubs typically takes 3-7 working days after dispatch.
• Trade Compliance: All documentation (commercial invoice, packing list, certificate of origin) is provided to ensure smooth customs clearance.

Quality Assurance

Every pump undergoes a rigorous remanufacturing process to guarantee performance and reliability for our B2B clients.

• Process: Each unit is completely disassembled. The housing is cleaned and inspected. Wear components (seals, bearings, etc.) are replaced with high-quality parts. The pump is reassembled, calibrated, and tested for pressure output and leakage.
• Warranty: Backed by a 1-Year Warranty from the date of purchase, covering defects in materials and workmanship.
• Standards: Rebuilt to match original equipment specifications for flow rate and pressure tolerances.

FAQ

Q1: Is this pump a direct replacement, or will it require reprogramming of the ECU?
A1: This is a direct mechanical replacement for the OEM pump. In most cases, no ECU reprogramming is required. However, it is always recommended to clear any existing fuel system fault codes after installation to allow the ECU to relearn adaptive values.

Q2: What is included with the pump upon delivery?
A2: The pump is supplied as a complete, ready-to-install assembly. It typically includes the necessary mounting hardware and seals. For specific contents, please refer to the product images or contact our sales team for a detailed packing list.

Q3: What is the lead time for order processing and shipping?
A3: Orders are processed within 1-2 business days. The estimated delivery time of 3-7 working days begins after the shipment is dispatched from our warehouse and is dependent on the selected shipping method and destination country. Expedited shipping options are available upon request.

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 .