Product Details
Product Overview
This high-quality common rail injector, with OEM numbers 0445120142 and 0 445 120 142, is a direct replacement designed for diesel engines, specifically the Cummins ISB series. As a critical component of the diesel fuel injection system, this injector ensures optimal fuel atomization and combustion efficiency. We are a leading global supplier, shipping to markets across North America, Europe, Asia-Pacific, the Middle East, and Africa, with a strong focus on serving the Russian and CIS markets for heavy-duty applications.
Key Features & Benefits
- Precision Engineering: Manufactured to meet or exceed OEM specifications for a perfect fit and reliable performance.
- Superior Durability: Constructed from high-grade steel to withstand extreme pressure and temperature conditions within the combustion chamber.
- Enhanced Fuel Efficiency: Optimized spray pattern ensures complete fuel combustion, reducing fuel consumption and lowering emissions.
- Direct Replacement: A drop-in replacement for the original injector, requiring no modifications for installation on compatible engines.
- Rigorous Testing: Every injector is pressure and spray-pattern tested to guarantee immediate performance upon installation.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 0445120142 |
| Alternative Number | 0 445 120 142 |
| Type | Common Rail Injector |
| Fuel Type | Diesel |
| Material | High-Grade Steel |
| Condition | New |
| Engine Code | ISB |
| Application | Diesel Fuel Injection System |
| Warranty | 3 Months |
| Place of Origin | Shandong, China |
OEM Cross-Reference
This injector is a direct replacement for the following OEM numbers:
- 0445120142 (Bosch)
- 0 445 120 142 (Bosch)
- Compatible with Cummins ISB engine fuel systems
Compatibility
- Engine Model: Cummins ISB (Inline 6-cylinder)
- Vehicle Applications: Diesel engine cars, light trucks, and commercial vehicles utilizing the ISB engine platform.
- Note: Please verify your engine code and existing injector part number before purchase to ensure compatibility.
Global Supply & Distribution
We offer worldwide shipping with fast logistics to major ports and industrial centers. Our distribution network effectively serves:
- North America: USA, Canada, Mexico
- Europe & CIS: Russia, Ukraine, Germany, UK, Poland
- Asia-Pacific: Australia, Japan, South Korea, Southeast Asia
- Middle East & Africa: UAE, Saudi Arabia, South Africa
- South America: Brazil, Argentina, Chile
We have extensive export experience and comply with international trade standards to ensure smooth customs clearance and delivery.
Quality Assurance
- Manufacturing Standards: Produced in ISO-certified facilities with strict quality control processes.
- Testing: Each injector undergoes individual flow rate, spray pattern, and pressure testing before shipment.
- Warranty: Backed by a 3-month warranty against manufacturing defects.
- Packaging: Securely packed in neutral or branded packaging to prevent damage during transit.
FAQ
Q1: Is this injector a direct replacement for my Cummins ISB engine?
A: Yes, this injector (0445120142) is designed as a direct replacement for the Bosch common rail system used in Cummins ISB engines. We recommend checking your current injector’s part number to confirm it matches the 0445120142 or 0 445 120 142 before ordering.
Q2: What is the recommended installation procedure?
A: Installation should be performed by a qualified diesel technician. Key steps include: 1) Ensuring the fuel system is clean and free of debris. 2) Replacing the copper sealing washer. 3) Tightening the injector clamp to the manufacturer’s specified torque. 4) Reconnecting the fuel return line and electrical connector. It is highly recommended to replace the fuel filter after installation.
Q3: How can I ensure the long life of this injector?
A: To maximize injector lifespan, use high-quality diesel fuel and replace your fuel filters regularly according to your engine’s maintenance schedule. Contaminated fuel is the primary cause of injector failure. Also, ensure the fuel system pressure is within the specified range for your engine model.
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
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- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
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Quick Inquiry
Bosch Common Rail Diesel Injector 0445120142 0 445 120 142 for ISB Engine
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Inquiry Desk
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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.