Bosch Diesel Common Rail Fuel Injector 0445120236 – Precision Fuel Control for Cummins and More
The Bosch Injector 0445120236 is a high-pressure common rail fuel injector from Bosch, also recognized under part numbers 0445120029 and 0445120125. As part of Cummins parts, Cummins genuine parts, and Bosch parts, this injector combines cutting‑edge engineering with OEM-level reliability. Because it serves key diesel platforms like Cummins QSL9 and Komatsu SAA6D114E engines, it ensures efficient combustion, strong performance, and reduced emissions.
🔩 Specifications
- Part Number: 0445120236 (Bosch), cross-reference: Cummins 5263308, Komatsu 6745‑12‑3100, CNH 84346812
- Type: CRIN1‑14/16 common rail fuel injector
- Fuel System: High-pressure common rail, up to ~2,200 bar
- Compatible Engines: Cummins QSL9 series, Komatsu PC300/PC350, Case-IH agricultural engines, and similar systems
⭐ Key Features
- First, it delivers precise, high-pressure fuel pulses for clean combustion and high efficiency.
- Moreover, its CRIN1 design places the pump and nozzle in one compact unit, reducing lag and improving response.
- It also meets Cummins genuine parts standards for reliability, fit, and consistency.
- In addition, Bosch-built internals resist corrosion and wear—even under tough diesel conditions.
- Finally, it’s ready for plug-and-play integration into Cummins fuel systems for easy replacement.
⚙️ Technical Insights
Because clean injection pressure is critical to diesel performance, this injector uses Bosch’s high-precision machining and solenoid-actuated control to regulate fuel delivery accurately. Also, the CRIN1-14/16 structure—with its combined pump/nozzle assembly—improves efficiency and reduces noise by delivering fuel directly at each cylinder(维基百科). Moreover, each injector is tested to OEM-level standards to ensure consistent spray pattern, pressure stability, and durability. As a result, engine operation is smoother and maintenance intervals are extended. In addition, this injector aligns with Cummins parts calibration and diagnostic requirements for optimal system integration.
🛠 Application Scenarios
- Cummins QSL9-powered trucks and machinery in construction or mining industries.
- Komatsu excavators (PC300/PC350) and loaders (WA430) using SAA6D114E engines.
- Case-IH tractors and harvesters needing common rail injection for clean fuel delivery.
- Fleet and OEM maintenance operations that require Bosch parts trusted for Cummins systems.
- Engine overhaul and repair services seeking genuine Cummins genuine parts for fuel system rebuilds.
📦 Availability
This Bosch Diesel Common Rail Fuel Injector 0445120236 is in stock and available for global shipping. To ensure proper match with your Cummins parts setup, please provide your engine serial number (ESN). Our support team is standing by to assist with fast and accurate fitment verification and help you secure the right Cummins genuine parts.
