Everything You Need to Know About Fuel Pump 0445025604 for Bosch: Specs, Benefits.
What is Fuel Pump 0445025604 for Bosch?
The fuel pump 0445025604 for Bosch is a high-pressure common rail diesel fuel pump manufactured by Bosch, a globally trusted name in automotive fuel injection systems. This particular model belongs to the Bosch CP1H series and is designed to supply precisely metered, ultra-high-pressure fuel to the common rail of modern diesel engines. The number 0445025604 is the Bosch OEM part reference, often used as a direct replacement or upgrade in various commercial vehicles, agricultural machinery, and industrial diesel engines. If you are looking for a robust, long-lasting, and efficient fuel pump that meets Euro 4, 5, and even Euro 6 emission standards, the fuel pump 0445025604 for Bosch is a top-tier choice.
How Does Fuel Pump 0445025604 for Bosch Work?
To understand how the fuel pump 0445025604 for Bosch functions, imagine a radial piston pump driven directly by the engine’s timing gear or chain. Inside the pump, a camshaft with multiple lobes pushes three radial pistons in a sequenced manner. As each piston compresses the diesel fuel inside its cylinder, the pressure builds up to levels between 1,600 and 2,000 bar (approximately 23,000 to 29,000 psi). This pressurized fuel is then sent to the common rail, where an electronic control unit (ECU) manages the injectors. An integrated flow control valve, also known as the fuel metering valve (FMV), regulates the exact amount of fuel entering the pumping chamber based on engine demand. Excess fuel returns to the tank through a spill port, providing cooling and lubrication for the pump’s internal components. This closed-loop system ensures precise injection timing, better atomization, lower emissions, and improved fuel economy.
Advantages of Fuel Pump 0445025604 for Bosch
Why should you choose the fuel pump 0445025604 for Bosch over aftermarket or refurbished alternatives? Here are the key advantages:
Extreme Pressure Capability – Delivers up to 2,000 bar of rail pressure, enabling superior combustion efficiency.
Durability & Wear Resistance – Manufactured with hardened steel components and advanced surface coatings to withstand diesel fuel impurities and long-term operation.
Enhanced Fuel Economy – Precise fuel metering reduces waste and lowers operating costs for fleets.
Lower Emissions – Helps diesel engines comply with strict Euro 4/5/6 and EPA regulations.
Quiet Operation – Optimized cam and piston geometry minimizes pumping noise.
Plug-and-Play Compatibility – Direct replacement for original Bosch units on many truck and bus models.
Thermal Stability – Maintains consistent performance even under extreme engine bay temperatures.
These benefits make the fuel pump 0445025604 for Bosch a favorite among professional mechanics and fleet maintenance managers.
Application of Fuel Pump 0445025604 for Bosch
The fuel pump 0445025604 for Bosch is not limited to a single make or model. Its primary applications include:
Commercial Trucks – Mercedes-Benz Actros (Euro 4/5), Atego, Axor; MAN TGL/TGM; Volvo FL/FE; DAF LF series.
Buses – Mercedes-Benz Citaro, Conecto; Setra S415/S416; MAN Lion’s City.
Agricultural Tractors – John Deere 6R/7R series, Fendt 700/800, New Holland T6/T7 with common rail engines.
Construction Equipment – Caterpillar excavators, Komatsu wheel loaders, JCB backhoe loaders.
Marine Diesel Engines – Small to medium auxiliary marine generators.
Always double-check your engine’s ECU compatibility and original pump part number before ordering.
Specifications (Types) of Fuel Pump 0445025604 for Bosch
The fuel pump 0445025604 for Bosch is a specific variant within the CP1H family. Below are its detailed technical specifications:
| Parameter | Specification |
|---|---|
| Part Number | 0445025604 |
| Series | Bosch CP1H (Common Rail High Pressure) |
| Pump Type | Radial piston pump |
| Number of Pistons | 3 |
| Max Operating Pressure | 1,600 – 2,000 bar |
| Drive Type | Gear / chain driven, clockwise rotation (standard) |
| Inlet Connection | M14 x 1.5 (banjo or threaded) |
| Outlet Connection | High-pressure fitting to common rail |
| Control Valve | Integrated fuel metering valve (FMV) |
| Cross References | 0445025604, 0986437509, 0 445 025 604 |
Note: There are no multiple “types” under this exact number, but be aware of new OEM, OEM-remanufactured, and aftermarket copies. Rsolid Engine parts only supplies genuine new Bosch units to ensure safety and performance.
Supplier of Fuel Pump 0445025604 for Bosch – Rsolid Engine Parts
When sourcing the fuel pump 0445025604 for Bosch, the reliability of your supplier is just as important as the quality of the part itself. Rsolid Engine parts has earned a strong reputation as a professional global supplier of diesel fuel injection components. Here is why thousands of workshops, fleet operators, and exporters choose us:
✅ 100% Genuine Bosch Products
We source every fuel pump 0445025604 for Bosch directly from Bosch’s authorized distribution channels. No counterfeit, no refurbished units passed as new – only authentic parts with full traceability.
✅ Rigorous Quality Assurance
Each pump is tested for:
High-pressure output stability
Flow metering valve response
Leak-proof seals
Electromagnetic compatibility with ECU signals
We provide test reports upon request.
✅ Competitive Pricing & Bulk Discounts
Whether you need one pump or a container order, we offer factory-direct pricing. Long-term partners enjoy tiered discounts, consignment stock options, and flexible payment terms (T/T, L/C, etc.).
✅ Fast Global Shipping
With warehouses in China and forward stock in Europe and the US, we can ship to most countries within 3–7 business days. Express couriers (DHL, FedEx, UPS) are used for urgent orders.
✅ Technical Support Before & After Sale
Our in-house diesel injection experts help you:
Verify part number compatibility
Troubleshoot installation issues
Recommend matching injectors or rail components
✅ 12-Month Warranty
All pumps come with a comprehensive 12-month warranty against manufacturing defects. DOA (dead on arrival) units are replaced immediately.
✅ Easy Contact – We Speak Your Language
📞 WhatsApp: +8615975376778 – You can message us anytime for price quotes, stock availability, technical questions, or shipping updates. We respond within hours, not days.