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384-0622 Actuator Pump Large Flange 31 Teeth With Fuel Transfer Pump
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384-0622 Actuator Pump Large Flange 31 Teeth With Fuel Transfer Pump

384-0622 Actuator Pump Large Flange 31 Teeth With Fuel Transfer Pump

1. Product:384-0622
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 modern diesel common rail systems, performance is no longer defined solely by maximum pressure-but by pressure stability under dynamic load. The 384-0622 diesel actuation pump is engineered with this principle at its core, ensuring continuous hydraulic actuation energy delivery to injectors across variable engine speeds.

Unlike conventional fuel pumps, this unit acts as a hydraulic energy converter, supplying high-pressure oil to drive electronically controlled injectors-critical for precise diesel combustion timing and emission control.

 

🔧 Precision Drive Architecture: The 31-Tooth Advantage

 

At the heart of this actuator lies the meticulously machined 31-tooth drive gear. In diesel engineering, tooth count and profile are not arbitrary; they are calculated to match specific engine timing requirements and torque loads. The 31-tooth configuration on the 384-0622 is designed to minimize backlash and reduce gear whine, a common NVH (Noise, Vibration, and Harshness) complaint in heavy-duty applications. The large flange interface distributes the clamping load evenly across the mounting surface, preventing micro-movements that could lead to premature wear on the drive shaft or the engine housing.

 

⛽ Integrated Fuel Transfer Technology

 

A standout feature of this assembly is the integrated Fuel Transfer Pump (often referred to as a feed or lift pump). In a common rail system, the high-pressure pump cannot function effectively without a steady supply of low-pressure diesel. This built-in transfer pump draws diesel from the tank and pressurizes it to the necessary inlet specifications (typically between 3 to 6 bar, depending on the system map). By integrating this function directly into the 384-0622 housing, we eliminate the need for external lift pumps in many configurations, reducing potential leak points and simplifying the overall engine architecture.

 

🏭 Industrial Applications & Compatibility

 

The 384-0622 is not a one-size-fits-all component; it is a specialized solution for heavy-duty and industrial diesel applications. It is extensively utilized in:

Commercial Trucking: Heavy-duty haulage vehicles requiring sustained high-pressure rail stability.

Off-Highway Machinery: Excavators, loaders, and agricultural tractors where vibration resistance is paramount.

Power Generation: Diesel generator sets that demand reliable, uninterrupted fuel delivery for continuous operation.

Marine Propulsion: Auxiliary diesel engines where corrosion-resistant mounting (via the large flange seal) is beneficial.

 

❓ Frequently Asked Questions (FAQ)

 

Q1: How does the 31-tooth configuration affect the pump's flow rate?
A: The 31-tooth design is synchronized with the engine's camshaft or gear train speed to ensure the internal transfer pump spins at the optimal RPM. This specific tooth count ensures the volumetric flow rate matches the high-pressure pump's demand, preventing cavitation during rapid acceleration.

Q2: Is the large flange on the 384-0622 compatible with standard gaskets?
A: The large flange dimensions are specific to this heavy-duty series. While it shares mounting logic with standard pumps, the bolt pattern and surface area are unique. Always use the gasket provided with the 384-0622 to ensure the correct sealing pressure is applied.

Q3: Can this actuator pump handle biodiesel blends?
A: Yes, the materials used in the 384-0622, particularly within the fuel transfer section, are compatible with standard biodiesel blends (such as B7 or B20). However, for higher blends, more frequent inspection of the internal seals is recommended due to the solvent properties of biodiesel.

Q4: What are the symptoms of a failing fuel transfer pump within this unit?
A: Common symptoms include hard starting (long crank times), a loss of power under load, or specific fault codes related to "low rail pressure" or "fuel supply pressure." You may also hear a whining noise from the pump area if the internal gears are starving for fuel.

Q5: Does the 384-0622 come pre-filled with oil or diesel?
A: The unit is shipped dry to prevent contamination during transport. It is critical to prime the integrated fuel transfer pump with clean diesel before the initial engine start to prevent dry-running damage to the internal components.

 

Basic Information about the Company

 

202510091606539026

 

 

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