Product Overview

This high-quality Common Rail Fuel Injector (0445120040) is a direct replacement for Daewoo and Doosan diesel engines. Designed for precision fuel delivery, this injector ensures optimal combustion efficiency and engine performance. We serve a global B2B clientele, with reliable shipping to major industrial markets across North America, Europe, Asia-Pacific, the Middle East, and South America. Whether you need a single unit for a fleet replacement or bulk orders for distribution, we provide consistent quality and competitive pricing.

Key Features & Benefits

• Precision Engineering: Manufactured to meet or exceed OEM specifications for exact fitment and reliable operation.
• Enhanced Fuel Efficiency: Advanced common rail technology ensures precise fuel metering, reducing consumption and operational costs.
• Durable Construction: Built with hardened steel and advanced alloys to withstand high injection pressures and extreme thermal conditions.
• Reduced Emissions: Optimized spray pattern promotes complete combustion, helping engines comply with Tier 3/Tier 4 emission standards.
• Rigorous Testing: Each injector undergoes pressure, flow rate, and spray pattern testing to guarantee out-of-box performance.

Technical Specifications

OEM Cross-Reference

This injector is a direct replacement for the following OEM and reference numbers:

• OEM Number: 65.10401-7001c
• Bosch Number: 0445120040
• Cross-Reference: 65.10401-7001, 65.10401-7001B

Compatibility

This injector is compatible with a wide range of Daewoo and Doosan diesel engine models, including but not limited to:

• Engine Models: DB58, D1146, D2366, DE08T, GE08TI, PF08T
• Vehicle/Equipment Applications: Excavators (Solar Series, DX Series), Wheel Loaders, Forklifts, and Generator Sets
• Year Range: 2005 – Present (common rail systems)

Global Supply & Distribution

We are a dedicated supplier of heavy-duty diesel engine parts with a robust global logistics network. Our capabilities include:

• Worldwide Shipping: Reliable air and sea freight to all major ports (e.g., Shanghai, Rotterdam, Los Angeles, Dubai).
• Major Markets Served: North America, Europe, Southeast Asia, Middle East, Africa, and Oceania.
• Fast Delivery: Stock items shipped within 24-48 hours. Bulk orders typically delivered within 7-15 days.
• Trade Compliance: Experienced in international documentation, customs clearance, and export regulations.

Quality Assurance

• Certifications: ISO 9001:2015 certified manufacturing processes.
• Warranty: 12-month warranty against manufacturing defects.
• Testing: 100% bench-tested for flow rate, pressure calibration, and leak-tightness before shipment.
• Traceability: Each injector is laser-marked with a serial number for full batch traceability.

FAQ

Q1: Is this injector a direct bolt-on replacement for my Doosan DB58 engine?
Yes, the 0445120040 injector is designed as a direct OEM replacement for the Daewoo/Doosan DB58 engine. It matches the original mounting dimensions, electrical connector, and hydraulic specifications. Always verify your engine’s serial number and existing injector part number (65.10401-7001c) for absolute compatibility.

Q2: What are the common symptoms of a failing common rail injector?
Common signs include rough idling, excessive smoke (black or white), increased fuel consumption, loss of engine power, and difficulty starting. If you experience any of these, we recommend replacing all injectors in a set to ensure balanced fuel delivery and prevent future failures.

Q3: Do you recommend any specific installation or maintenance procedures?
Yes. Always replace the high-pressure fuel pipes and sealing washers (copper gaskets) when installing new injectors. Clean the injector bore thoroughly before insertion. After installation, perform a leak-off test to confirm proper sealing. We also recommend using a high-quality fuel filter to protect the injector from contaminants.

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 .