1.Product Introduction
The Denso HP4 pump front disc is a crucial component of the high-pressure fuel pump (HP4) system used in diesel engines, specifically in Denso’s HP4 common rail fuel pumps. The front disc typically plays a role in the internal mechanics of the pump, where it helps control the fuel delivery process by regulating the timing and flow of fuel to the injectors.
Main Functions:
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Pump Mechanism Support: The front disc is part of the pump’s internal components that interact with the camshaft and other moving parts inside the pump. It helps maintain smooth operation by enabling the rotation and movement required to pressurize and pump the fuel.
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Fuel Flow Regulation: The disc helps control the fuel flow within the pump by acting as part of the mechanism that determines when and how fuel is injected. Its precise action ensures that the pump operates efficiently, preventing excess fuel delivery or timing issues that could affect engine performance.
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Pressure Control: Since the HP4 system is a high-pressure fuel pump, the front disc plays a role in managing fuel pressure within the pump, ensuring that the pressure is maintained at the optimal level for proper fuel injection.
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Internal Sealing: The front disc also acts as a sealing component in the pump, contributing to the integrity of the pump assembly. It ensures that fuel doesn’t leak internally and helps maintain the overall pressure within the pump system.
In essence, the front disc is vital to the pump’s ability to generate and maintain high pressure, which is necessary for fuel to be injected at the right pressure and timing for efficient engine operation.
This component is just one of several internal parts that contribute to the overall function of the HP4 fuel pump. It works closely with other components like the delivery valve, camshaft, and plunger to achieve the precise control needed for modern diesel fuel injection systems.
2.Product Model List
| No. | Model |
|---|---|
| 1 | 294120-5010 |
| 2 | 294120-5030 |
| 3 | 294120-5050 |
| 4 | 294120-5070 |
| 5 | 294120-5110 |
| 6 | 294120-5130 |
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