OEM part numbers:21608511 21545138 21397771
Electric Fuel Pump replacement for Volvo Pen-ta 4.3L 5.0L 5.7L for 5.7OSXI 5.7OSI 5.7GXI 5.0GXI 5.7GI 5.0OSI 4.3GXI 4.3OSI.
Low pressure:maximum 101-123psi,working pressure 5-7psi
High pressure: maximum pressure 108-130psi, Working pressure 43.5psi
Symptoms of wear or malfunction:
1. The whining noise of the fuel tank
2. Difficulty starting
3. Engine sputtering
4. Stall at high temperature
5. Power loss under pressure
6. Low fuel consumption