What is Common Rail Pump 294000-1320?
The Common Rail Pump 294000-1320 is a high-pressure fuel injection pump manufactured by Rsolid, specifically designed for Toyota’s 1KD-FTV (3.0L) and 2KD-FTV (2.5L) D-4D diesel engines, particularly those meeting Euro 5 emissions standards. 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 294000-1320 is a Denso HP3-series radial piston pump, calibrated to meet the higher injection pressures and precise metering requirements of Euro 5 compliant Toyota vehicles, including the Hiace, Hilux, and Fortuner models. It ensures optimal combustion, reduced emissions, and reliable performance under diverse operating conditions.
How Does Common Rail Pump 294000-1320 Work?
The Common Rail Pump 294000-1320 operates on the principle of a radial piston high-pressure pump with an integrated low-pressure transfer section. Driven by the engine’s timing chain 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 suction control valve (SCV), which is electronically controlled by the engine control unit (ECU). The ECU modulates the SCV 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 bar, which is characteristic of Euro 5 calibrations. 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 Common Rail Pump 294000-1320
Choosing the Common Rail Pump 294000-1320 for your Toyota 1KD-FTV or 2KD-FTV engine offers several key benefits:
Euro 5 Compliance: Specifically calibrated to meet the stringent emissions requirements of Euro 5 standards, ensuring reduced NOx and particulate emissions while maintaining optimal engine performance.
Precise Fuel Control: The electronically controlled suction control valve enables the ECU to deliver the exact fuel volume required for any driving condition, resulting in smoother acceleration, improved fuel economy, and lower emissions.
High-Pressure Performance: Capable of generating pressures up to 1,800 bar, this pump ensures superior fuel atomization, leading to cleaner combustion, reduced soot formation, and enhanced engine responsiveness.
Denso HP3 Reliability: Built on Denso’s proven HP3 platform, the pump incorporates advanced materials, precision machining, and rigorous testing to ensure long-term reliability and consistent performance.
Direct Fit Compatibility: Engineered specifically for Toyota 1KD-FTV and 2KD-FTV engines in Euro 5 applications, this pump matches the original equipment specifications, simplifying installation and ensuring proper integration.
Application of Common Rail Pump 294000-1320
The Common Rail Pump 294000-1320 is specifically designed for Toyota vehicles equipped with the 1KD-FTV (3.0L) and 2KD-FTV (2.5L) D-4D engines that meet Euro 5 emissions standards. Common applications include:
Toyota Hilux (AN10/AN20/AN30): Widely used in Hilux models from approximately 2011 to 2015 with Euro 5 compliant 1KD-FTV and 2KD-FTV engines.
Toyota Fortuner (AN50/AN60): Applied in Fortuner SUVs sharing the same engine family and emissions calibration.
Toyota Hiace / RegiusAce (H200): Used in Hiace vans and minibuses equipped with the 1KD-FTV or 2KD-FTV Euro 5 engines.
Toyota Land Cruiser Prado (150 Series): Compatible with certain 1KD-FTV variants that utilize the Euro 5 calibration.
Toyota Hilux / Fortuner Export Markets: Found in vehicles destined for European, Asian, Australian, and Middle Eastern markets where Euro 5 standards apply.
Specifications (Types) of Common Rail Pump 294000-1320
The Common Rail Pump 294000-1320 belongs to the Denso HP3 family of common rail pumps, with specific calibration for Toyota’s Euro 5 D-4D engines. Key specifications include:
Pump Type: High-pressure common rail radial piston pump (Denso HP3 architecture) with integrated gear-type transfer pump.
Number of Pistons: 3 radial pistons arranged at 120 degrees.
Maximum Operating Pressure: Up to 1,800 bar (26,100 psi), optimized for Euro 5 injection strategies.
Drive Configuration: Flange-mounted, driven by the engine’s timing chain or gear train.
Fuel Metering: Electronically controlled suction control valve (SCV) for precise flow regulation.
Low-Pressure Section: Integrated gear-type transfer pump (feed pump).
Inlet Port: Low-pressure inlet (12mm typical) compatible with Toyota fuel filter assemblies.
Outlet Port: High-pressure outlet (M12 or M14 thread) for connection to the common rail.
Compatibility: OEM replacement for Toyota 1KD-FTV (3.0L) and 2KD-FTV (2.5L) Euro 5 engines in Hiace, Hilux, Fortuner, and Prado.
Lubrication: Fuel-lubricated; requires clean, high-quality diesel fuel meeting EN590 or equivalent standards.
Common Failures: Suction control valve wear, contamination from poor fuel quality, and internal wear can occur; symptoms include difficult starting, loss of power, DTC codes (P0087, P0093), and erratic rail pressure.
Supplier of Common Rail Pump 294000-1320
Sourcing the Common Rail Pump 294000-1320 from a trusted supplier is essential to ensure proper fitment, reliable performance, and long service life for your Toyota D-4D engine. Rsolid engine parts has established itself as a premier provider of high-quality fuel injection components, specializing in Denso HP3 systems for Toyota, Hino, ISUZU, and other leading diesel platforms.
Rsolid engine parts distinguishes itself through an unwavering commitment to quality control. Every 294000-1320 common rail pump is rigorously inspected and tested to ensure it meets or exceeds original equipment specifications. This includes high-pressure calibration, flow testing, and verification of the suction control valve response to ensure seamless integration with the Toyota 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 (1KD-FTV, 2KD-FTV), and OEM part number. Their team understands that precise matching is critical for achieving proper fuel system pressure and injector performance, especially in Euro 5 applications where calibration is critical. 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 Common Rail Pump 294000-1320, you benefit from competitive pricing, warranty-backed assurance, and the expertise of a dedicated diesel fuel system specialist.
