Bosch Common Rail Injector 0445120278 — Premium Diesel Fueling Precision For Heavy‑Duty Engines
1. Product:0445120278
2. Compatible Equipment: Diesel Fuel Injection Systems
3. Manufacturer: Aftermarket OEM Replacement
4. Condition: Brand New, Fully Tested
5. Origin: ABOSEDE Diesel
6. Shipping period: 3-5 business days
7. Payment terms: T/T, Western Union, PayPal
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Product Introduction
In the complex choreography of modern diesel combustion, the injector is one of the most critical performers - and the Bosch Common Rail Injector 0445120278 stands out as a high‑precision component engineered to deliver exceptional performance, reliability, and fuel economy within common rail diesel systems. This product page is crafted for international customers, SEO optimization, and technical clarity in the global diesel aftermarket space.
🔧 What Is the 0445120278 Injector?
At its core, the 0445120278 is a common rail diesel fuel injector designed for high‑pressure fuel delivery and controlled injection timing. Manufactured or specified by Bosch, a world leader in fuel injection technology, this injector ensures accurate metering and atomization of diesel fuel directly into the combustion chamber - a key driver of efficiency and emissions control in modern engines.
🚛 Key Application & Engine Compatibility
While originally used in select industrial and heavy‑duty diesel engines, one well‑documented application of this part is on DOOSAN DL08 engines - a platform common in construction equipment, generators, and commercial vehicles. Buyers should always confirm compatibility with specific engine models and ECM/ECU codes before ordering.
⚙️ Technical Specifications Snapshot
✔ OEM Part Number: 0445120278 (Bosch)
✔ Alternative Reference: 40090300045
✔ Fuel Type: Diesel
✔ Injector Type: Common Rail (CRIN2‑16)
✔ Condition: New or Remanufactured options may be available
✔ Packaging: Original sealed Bosch packaging when new
✔ Weight: Approx. ~0.53–0.60 kg depending on supplier
These injectors require coded configuration through diagnostic tools during installation. Proper coding ensures that the engine's ECU receives the correct calibration data - a critical step for smooth idling, fuel economy, and emission compliance.
🧠 Performance Attributes & Why It Matters
✔ Precision Atomization:
Advanced nozzle design delivers a fine fuel spray, promoting complete combustion and lower soot.
✔ Multiple Injection Events:
Supports pilot, main, and post injections - techniques used by modern engines to optimize combustion phasing and reduce noise and emissions.
✔ Hydraulically Controlled Needle Closure:
Ensures rapid shut‑off of fuel flow to prevent dribbling or post‑combustion inefficiency.
✔ Durability & OEM Quality:
When sourced as genuine Bosch, these injectors meet rigorous manufacturing standards, making them ideal for commercial fleets and long‑life duty cycles.
❓ Frequently Asked Questions
1. Do I need a special tool to install 0445120278?
Yes - after mechanical installation, ECU coding with a diagnostic scanner is generally required to register injector data.
2. Can I replace only one injector or should I replace them in sets?
If one injector fails, it's often recommended to inspect all injectors for performance consistency - mismatched injectors can affect engine balance.
3. Does this injector include a warranty?
New Bosch units typically come with a 12‑month warranty from authorized suppliers.
4. What are common failure symptoms?
Rough idle, increased smoke, poor acceleration, or high fuel consumption can indicate injector wear.
5. Is this part genuine Bosch or aftermarket?
Both genuine and quality aftermarket remanufactured options may exist - be sure to verify authenticity with your supplier.
6. How does this injector help reduce emissions?
Precise fuel delivery and multiple injection capability help reduce soot and HC emissions while improving combustion cleanliness.
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