Shandong Shengyue Technology Development Co.,Ltd is one of the most professional isuzu denso hp3 series high-pressure common rail fuel injection pump 294050-0424 manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
ISUZU DENSO HP3 Series High-Pressure Common Rail Fuel Injection Pump 294050-0424
FUNCTION
1. Extreme Pressurization: Through the reciprocating motion of internal dual plungers, this pump compresses low-pressure diesel drawn from the fuel tank into high-pressure fuel, delivering it to the Common Rail. This facilitates more complete combustion, thereby boosting power output and reducing fuel consumption.
2. Precise Flow Metering: A critical Suction Control Valve (SCV) is integrated into the pump body. Acting on commands from the Engine Control Unit (ECU), it regulates the volume of fuel entering the compression chamber in real time. This minimizes energy losses associated with compressing excess fuel, thereby reducing the load on the fuel pump and lowering the temperature of the return fuel.
3. Automatic Fuel Suction and Delivery: A mechanical feed pump is integrated into the rear section of the pump body; it generates negative pressure to draw diesel from the fuel tank and pumps it-via a filter-into the high-pressure chamber. This ensures a consistently ample supply of fuel within the high-pressure chamber, even under high-RPM and heavy-load operating conditions.
4. Pressure Pulsation Suppression: The HP3 series employs a specialized cam and dual-plunger design to ensure a smoother pumping process, thereby minimizing pressure fluctuations within the high-pressure fuel lines. This stable pressure guarantees a high degree of consistency in the fuel volume injected by each cylinder's injector, resulting in smoother engine operation as well as reduced vibration and noise.
DETAILS
| DESCRIPTION | High-Pressure Common Rail Fuel Injection Pump | PART NUMBER | 294050-0424 |
| WEIGHT |
7 kg |
VOLUME | 28cm x 22cm x 20cm |
| TRUCK MOLDE | ISUZU | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | ENGINE |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
Common Fault Symptoms
1. Difficulty Starting: Internal leakage within the fuel pump or a stuck SCV valve results in excessively slow pressure buildup.
2. Insufficient Power: The system fails to provide adequate fuel pressure under high-load conditions, potentially triggering a warning light.
3. Unstable Idle: Wear on the SCV valve causes fluctuations in fuel flow during idling.
Maintenance Reminders
1. Fuel Quality: Due to the extremely precise internal tolerances of the HP3 pump, it places very high demands on the diesel fuel filter. High-quality fuel filters must be replaced regularly to prevent impurities from causing wear to the plungers.
2. SCV Valve Replacement: In many cases, the pump body itself is not damaged; rather, only the SCV valve has failed. The unit can be repaired simply by replacing the valve component independently.
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