What is Diesel Fuel Pump 0445010568?
The Diesel Fuel Pump 0445010568 is a high-pressure common rail fuel pump manufactured to Bosch specifications and designed for use in Volkswagen Tiguan and various Audi diesel models. This pump is a critical component of the common rail fuel system, responsible for drawing fuel from the tank, pressurizing it to extreme levels, and delivering it to the common rail for distribution to the injectors. The 0445010568 pump is typically a CP3 or CP4-series radial piston pump, engineered to meet the demanding requirements of modern TDI engines. It ensures precise fuel metering, stable rail pressure, and reliable performance across all operating conditions, making it an essential part of the powertrain for both Volkswagen and Audi vehicles.
How Does Diesel Fuel Pump 0445010568 Work?
The Diesel Fuel Pump 0445010568 operates as a radial piston high-pressure pump with an integrated low-pressure transfer section. Driven by the engine’s timing belt or gear train, the pump’s internal cam ring actuates three radial pistons arranged at 120-degree intervals. Fuel is first drawn from the tank through the low-pressure inlet by an integrated gear-type transfer pump. It then passes through a fuel metering valve (FMV), which is electronically controlled by the engine control unit (ECU). The ECU adjusts the metering valve to precisely regulate the volume of fuel entering the high-pressure pumping chamber. As the radial pistons reciprocate, they compress the fuel to pressures typically up to 1,800–2,000 bar. This high-pressure fuel is discharged into the common rail, where it accumulates and is held ready for the injectors. The pump also incorporates a pressure relief valve to protect the system from over-pressure conditions and ensures stable rail pressure across all engine speeds and loads.
Advantages of Diesel Fuel Pump 0445010568
Choosing the Diesel Fuel Pump 0445010568 offers several key benefits for Volkswagen Tiguan and Audi diesel owners:
Precise Fuel Metering: The electronically controlled fuel metering valve enables the ECU to deliver the exact fuel volume required for any driving condition, resulting in smoother acceleration, improved fuel economy, and reduced emissions.
High-Pressure Capability: Capable of generating pressures up to 2,000 bar, this pump ensures superior fuel atomization, which leads to cleaner combustion, reduced soot formation, and lower particulate emissions.
Bosch Engineering: Built to Bosch’s exacting standards, the pump incorporates advanced materials and precision machining to ensure long-term reliability and consistent performance.
Durability: Constructed with hardened internal components and fuel-lubricated bearings, the 0445010568 pump is designed to withstand the demands of both urban driving and long-distance highway travel.
Direct Fit Compatibility: Engineered specifically for Volkswagen Tiguan and Audi applications, the pump mounts directly without modification, simplifying installation and reducing labor time.
Application of Diesel Fuel Pump 0445010568
The Diesel Fuel Pump 0445010568 is designed for Volkswagen and Audi models equipped with common rail diesel engines that utilize Bosch fuel systems. Common applications include:
Volkswagen Tiguan 2.0 TDi: Widely used in the Tiguan (first and second generation) with the 2.0-liter 4-cylinder TDI engine (e.g., EA288, EA189 platforms), covering both front-wheel drive and 4Motion variants.
Audi A3 2.0 TDi: Compatible with the Audi A3 8P and 8V models equipped with the 2.0 TDI engine, providing reliable fuel delivery for premium compact diesel performance.
Audi A4 / A5 2.0 TDi: Applied in the Audi A4 (B8, B9) and A5 (8T, F5) with the 2.0 TDI engine, where smooth operation and efficiency are essential.
Audi Q3 / Q5 2.0 TDi: Used in the Audi Q3 and Q5 compact SUVs with 2.0 TDI powerplants, requiring consistent fuel pressure for refined performance.
Volkswagen Passat / Golf 2.0 TDi: Shared with other Volkswagen Group vehicles utilizing the same Bosch CP3/CP4 pump architecture, though verification by engine code is recommended.
Commercial Fleets: Ideal for fleet vehicles where uptime, fuel efficiency, and long-term reliability are critical.
Specifications (Types) of Diesel Fuel Pump 0445010568
The Diesel Fuel Pump 0445010568 belongs to the Bosch CP3 or CP4 family of common rail pumps, depending on the specific engine platform. Key specifications include:
Pump Type: High-pressure common rail radial piston pump (Bosch architecture) with integrated gear-type transfer pump.
Number of Pistons: 3 radial pistons arranged at 120 degrees (CP3) or high-pressure pump with single piston with pressure control valve (CP4 variants may differ; confirm by application).
Maximum Operating Pressure: Typically 1,800–2,000 bar (26,100–29,000 psi), depending on engine calibration.
Drive Configuration: Flange-mounted, driven by the engine’s timing belt or gear train.
Fuel Metering: Electronically controlled fuel metering valve (FMV) for precise flow regulation.
Inlet Port: Low-pressure inlet (typically 12mm or 14mm) compatible with standard fuel filter assemblies.
Outlet Port: High-pressure outlet (typically M12 or M14 thread) for connection to the common rail.
Compatibility: OEM replacement for Volkswagen Tiguan 2.0 TDi, Audi A3/A4/A5/Q3/Q5 2.0 TDi, and other Volkswagen Group vehicles using Bosch 0445010568 pump specifications.
Lubrication: Fuel-lubricated; requires clean, high-quality diesel fuel (EN590 or equivalent) for optimal service life.
Common Failures: Wear can occur due to contaminated fuel, water ingress, or improper maintenance; symptoms include difficulty starting, loss of power, metallic debris in the fuel system, and erratic rail pressure readings.
Supplier of Diesel Fuel Pump 0445010568
Sourcing the Diesel Fuel Pump 0445010568 from a trusted supplier is essential to ensure proper fitment, reliable performance, and long service life. Rsolid engine parts has established itself as a premier provider of high-quality fuel injection components, specializing in Bosch-compatible systems for Volkswagen, Audi, Skoda, and other European diesel vehicles.
Rsolid engine parts distinguishes itself through an unwavering commitment to quality control. Every 0445010568 diesel fuel pump is rigorously inspected and tested to ensure it meets or exceeds original equipment specifications. This includes pressure calibration, flow testing, and verification of the fuel metering valve response to ensure seamless integration with the Volkswagen Tiguan or Audi engine’s ECU and injectors. For exchange units, the company follows a complete remanufacturing process that includes disassembly, ultrasonic cleaning, inspection, and replacement of all wear components with new OEM-grade parts.
In addition to product excellence, Rsolid engine parts offers comprehensive technical support to assist customers in verifying compatibility by vehicle VIN, engine code (such as CFFB, CFFA, CLLB, CNHA, etc.), and OEM part number. Their team understands that precise matching is critical for achieving proper fuel system pressure and injector performance. With a robust inventory and efficient global logistics, Rsolid engine parts minimizes downtime for repair shops, fleet operators, and individual vehicle owners. By choosing Rsolid engine parts as your supplier for the Diesel Fuel Pump 0445010568, you benefit from competitive pricing, warranty-backed assurance, and the expertise of a dedicated diesel fuel system specialist.
