Product Details
Product Overview
This is a premium remanufactured high-pressure oil pump assembly, specifically designed for Daewoo diesel engines. As a critical component of the fuel injection system, this pump ensures precise fuel delivery for optimal engine performance and efficiency. We are a leading supplier based in Shandong, China, offering global shipping to major markets including North America, Europe, Asia-Pacific, and the Middle East. Our extensive export experience guarantees reliable logistics and international trade compliance for B2B clients worldwide.
Key Features & Benefits
- High-Performance Remanufacturing: Restored to OE specifications for reliable operation and extended service life.
- Precise Fuel Delivery: Ensures accurate injection timing and pressure for improved combustion efficiency and reduced emissions.
- Durable Construction: Built with high-quality materials to withstand the demands of heavy-duty diesel applications.
- Cost-Effective Solution: A remanufactured alternative that provides OE-quality performance at a lower cost than a new unit.
- Rigorous Testing: Each pump is tested to guarantee functionality and meet strict quality standards before shipping.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number / OE NO. | 0445020031 |
| Product Name | High-Pressure Oil Pump Assembly |
| Condition | Remanufactured |
| Application | Diesel Engine Fuel Injection Pump |
| Engine Code | Diesel Engine (Daewoo) |
| Car Make | Daewoo |
| Size | Standard Size |
| Weight | 8 kg (Single gross weight) |
| Package Size | 29.5 x 20 x 25 cm |
| Quality | High-Performance |
| Warranty | 3 Months |
| MOQ | 2 Pcs |
OEM Cross-Reference
This product is a direct replacement for the following OEM number(s):
- 0445020031 (Primary OE Number)
Note: This pump is designed for use in specific Daewoo diesel engine applications. Please verify compatibility with your engine model before purchase.
Compatibility
- Engine Model: Daewoo Diesel Engine (various models)
- Vehicle Application: Daewoo vehicles equipped with compatible diesel engines
- Part Type: Fuel Injection Pump / High-Pressure Oil Pump
Please consult your vehicle’s service manual or contact our support team to confirm fitment for your specific engine code.
Global Supply & Distribution
We provide a seamless global supply chain for B2B customers. Our logistics network ensures fast and reliable delivery to major ports and industrial centers worldwide, including:
- North America: Los Angeles, Houston, New York, Toronto
- Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
- Asia-Pacific: Shanghai, Singapore, Sydney, Tokyo
- Middle East & Africa: Dubai, Jeddah, Durban
With years of export experience and full compliance with international trade regulations, we are your trusted partner for diesel engine components.
Quality Assurance
- Remanufacturing Standards: All units are disassembled, cleaned, inspected, and rebuilt using high-grade components.
- Testing: Each pump undergoes rigorous pressure and flow testing to ensure it meets or exceeds OEM performance.
- Warranty: Backed by a 3-month warranty against manufacturing defects for your peace of mind.
- Certification: Our production processes adhere to strict quality control measures.
FAQ
1. Is this high-pressure oil pump a direct replacement for my Daewoo diesel engine?
This pump is designed as a direct replacement for Daewoo diesel engines using the OE number 0445020031. We strongly recommend verifying your engine’s model and existing part number to ensure a perfect fit.
2. What is included with the remanufactured pump assembly?
The sale is for a single remanufactured high-pressure oil pump assembly. It is a complete unit ready for installation. Please note that additional components like fuel lines or gaskets may be required and are sold separately.
3. What maintenance is recommended after installing this pump?
After installation, it is critical to prime the fuel system to remove any air. We recommend replacing the fuel filter and checking all fuel line connections for leaks. For optimal performance, have the injection timing checked and adjusted by a qualified diesel technician.
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 .
FAQ
Common Product Inquiry Questions
How can I confirm this part matches my engine or injector model?
Send the OEM number, engine model, application, or clear product photos. We will help verify the suitable part before quotation.
Can I ask for packing, shipping, and delivery details together?
Yes. You can combine product confirmation, quantity, destination, packing request, and shipment method in one inquiry so the quotation is more complete.
Why is price not displayed on the page?
This catalog is built for B2B inquiry. Final pricing depends on the confirmed part number, quantity, stock situation, and shipping destination.
What information helps you quote faster?
Please include the OEM number, engine model, quantity, destination country, and any packing or shipping preference. This usually speeds up matching and quotation.
Inquiry Desk
Send Product Inquiry
Use this form to ask for fitment, MOQ, delivery time, packing, and shipping support for this product.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
- Every submission is stored in WordPress and sent to your admin email.
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Quick Inquiry
Remanufactured High-Pressure Oil Pump 0445020031 for Daewoo Diesel Engine – Fuel Injection Pump
Send one clear inquiry and we will reply with quotation, lead time, and fitment confirmation.
- OEM number is included automatically when available.
- Add quantity, destination, and packing needs for a faster quote.
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Inquiry Desk
Send Inquiry
Quick contact for this product. OEM number is attached automatically.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
- Every submission is stored in WordPress and sent to your admin email.