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Unit Pump PLN
The Unit Pump PLN supplies high-pressure fuel to the injector for precise combustion control.
This pump is engineered to deliver accurate fuel quantity and timing for each cylinder, ensuring efficient engine operation. Its robust design withstands high pressure, continuous vibration, and extreme temperature fluctuations found in commercial diesel engines. Advanced internal components maintain stable injection pressure, improving combustion quality and reducing emissions.
By providing consistent fuel delivery, the unit pump enhances power output, fuel efficiency, and overall engine responsiveness. It also helps reduce smoke, ensures smoother idling, and supports long-term reliability even under demanding load conditions.
Key Features
- Precision-engineered high-pressure fuel pump
- Provides accurate fuel metering and timing
- Built to withstand high pressure and heavy vibration
- Enhances combustion efficiency and engine performance
- Ideal for heavy-duty commercial diesel vehicles
Product Specifications
| GROUP | MODEL | REF. PART NUMBER | SPECIFICATIONS |
|---|---|---|---|
| 19.055 | 3128, 2523, 2528 | A0280746902 | Unit Pump PLN – High-Pressure Injection Pump |
Process Steps
- Depressurize the fuel system before removal
- Disconnect fuel lines and electrical connectors
- Remove old unit pump from its mounting location
- Install new pump and torque mounting bolts
- Reconnect all lines and perform system priming
- Start engine and check injection pressure and performance
FAQ
What does the Unit Pump PLN do?
It delivers high-pressure fuel to the injector, ensuring precise combustion and efficient engine operation.
When should the unit pump be replaced?
When there is hard starting, misfiring, pressure loss, fuel leakage, or poor combustion performance.
