Product Overview

This high-quality common rail fuel injector, model 0 445 120 020 (OEM number 0445120020), is a premium replacement part designed for modern diesel engines. Manufactured to meet or exceed OEM specifications, this injector is ideal for B2B buyers seeking reliable performance for fleet maintenance or aftermarket distribution. We serve a global clientele, with major markets in North America, Europe, Southeast Asia, the Middle East, and South America, ensuring fast and efficient shipping to your location.

Key Features & Benefits

• Superior Precision: Engineered with high-precision internal components for accurate fuel metering, ensuring optimal combustion efficiency and reduced emissions.
• Enhanced Durability: Constructed from high-grade stainless steel and hardened alloys to withstand extreme pressures and temperatures common in common rail systems.
• Direct Replacement: 100% new unit, not remanufactured. Designed for a perfect bolt-on fit, saving labor time and reducing installation complexity.
• Fuel Efficiency: Optimized spray pattern promotes complete fuel atomization, leading to improved fuel economy and reduced operational costs for heavy machinery.
• Rigorous Testing: Every injector undergoes comprehensive pressure and leak testing to guarantee performance and reliability out of the box.

Technical Specifications

OEM Cross-Reference

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

• Bosch: 0 445 120 020
• OEM: 0445120020

Note: Always verify the original part number on your existing injector before purchase to ensure compatibility. This part is designed for standard Bosch common rail systems.

Compatibility

This common rail injector is designed for a wide range of diesel engines utilizing Bosch common rail fuel systems. It is a universal fitment for many agricultural, construction, and industrial diesel engines. Common applications include:

• Engine Types: Various inline and V-configuration diesel engines (e.g., 4-cylinder, 6-cylinder).
• Vehicle/Equipment: Suitable for trucks, buses, tractors, excavators, loaders, and generator sets.
• Note: Due to the universal nature of this part, it is critical to cross-reference with your specific engine model (e.g., Cummins, Caterpillar, Deutz, Perkins) and ECU calibration.

Global Supply & Distribution

We are a leading supplier of diesel engine parts with a robust global logistics network. We offer:

• Worldwide Shipping: Reliable shipping via sea, air, and express couriers (DHL, FedEx, UPS).
• Key Markets: Strong presence in North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Australia, Japan, Korea), Middle East (UAE, Saudi Arabia), and Africa.
• Fast Delivery: Stock held in major Chinese ports (Qingdao, Shanghai) for rapid dispatch. Typical transit times: 7-15 days to major industrial hubs.
• B2B Expertise: Experienced in handling bulk orders, OEM/ODM inquiries, and long-term supply contracts.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001 certified facilities with strict quality control processes.
• Warranty: Backed by a 4-month warranty against manufacturing defects. We stand behind our product quality.
• Testing: Each unit is tested for flow rate, pressure calibration, and leak integrity before packaging.

FAQ

Q1: Is this injector compatible with my 6-cylinder truck engine?
A: This injector (0445120020) is a common rail injector used in many multi-cylinder engines. However, compatibility depends on your engine’s specific ECU programming and fuel system design. You must verify that your engine uses Bosch common rail injectors with the same physical dimensions and electrical connector. We recommend consulting your engine’s service manual or contacting our support team with your engine serial number for confirmation.

Q2: Do I need to calibrate the injector after installation?
A: Yes, professional installation is strongly recommended. After replacing a common rail injector, it is crucial to perform an injector coding procedure using a diagnostic tool. This involves entering the injector’s specific IMA code (found on the new injector) into the engine’s ECU to ensure correct fuel delivery and prevent damage. Failure to code the injector can lead to poor performance, rough idling, or engine fault codes.

Q3: What maintenance is required for these injectors?
A: The most critical factor for common rail injector longevity is fuel quality. Always use clean, high-quality diesel fuel and replace your fuel filters regularly (every 10,000-15,000 km or as per manufacturer schedule). Contaminated fuel is the primary cause of injector failure. There is no user-serviceable internal maintenance; if a problem occurs, the injector should be tested by a specialized diesel shop and replaced if faulty.

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 .