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SINOTRUK HOWO SPARE PARTS ENGINE PARTS HOWO A7 HOWO371 WD615 ENGINE HIGH PRESSURE FUEL PUMP VG1560080023
Function
1. Fuel pressurization: The low-pressure diesel fuel is pressurized to extremely high pressure, ensuring that the fuel is properly atomized and injected into the combustion chamber for efficient combustion.
2. Precise fuel metering: Based on engine load, speed, and throttle position, the amount of fuel injected in each cycle is adjusted through plunger stroke and governor control, achieving a balance between fuel economy and power output.
3. Control of fuel injection timing: Ensures that fuel is injected into the cylinder at the precise moment before the piston reaches top dead center during the compression stroke, optimizing the combustion process, increasing power output, and reducing emissions.
4. Equipped with a K-type governor: This is one of its distinctive features. The K-type governor is a full-range mechanical governor that automatically adjusts the fuel supply under various operating conditions, maintaining stable engine speed (especially preventing overspeeding or stalling during idling, high speed, and load changes). It offers quick response and high reliability, making it suitable for long-term, heavy-duty operation in heavy trucks.
Applicable engines: Weichai WD615 series (WD615.47/69/87, etc.)
Pump type: Inline plunger pump + K-type governor
Fuel supply method: Mechanical drive (driven by engine timing gears or camshaft)
DETAILS
| DESCRIPTION | HIGH PRESSURE FUEL PUMP | PART NUMBER | VG1560080023 |
| WEIGHT |
0.5 KG |
VOLUME | length: 100 mm |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | COUNTRY OF ORIGIN | CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | engine |
When is it recommended to replace it?
Difficulty starting the engine (especially cold starts), unstable idle speed, or engine racing.
Significant power loss, weak acceleration, and excessive black/white smoke.
Sudden increase in fuel consumption (more than 20% higher than normal).
Abnormal noise, oil leaks, or plunger wear in the high-pressure fuel pump itself (oil seepage from the pump body, governor malfunction).
Mileage exceeding 500,000-800,000 kilometers, or the pump has been repaired multiple times but still malfunctions.
Indirect symptoms such as insufficient low-pressure fuel supply and frequent filter clogging are discovered during regular maintenance.
Blindly replacing the pump is not recommended: first, diagnose and confirm that the problem lies with the pump (by checking the low-pressure fuel line, injectors, cylinder pressure, etc.). Sometimes, only the pump's plunger assembly or outlet valve is worn, which can be repaired locally.
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