Application 4.3OSI, 4.3GXI, 5.0OSI, 5.0GXI, 5.7GI, 5.7GXI, 5.7OSI, 5.7OSXI OEM Number or Interchangable Part Number 3861355, 3860210, 21608511, 3588865, 21545138, 3594444, 21397771 Features: -With high quality our fuel pump can perfect deliver the appropriate amount of fuel and at a high enough pressure to provide the engine adequate fuel in all conditions. -Electric pumps generate positive electrical pressure, which inject fuel into the combustion engine. A relay, which is activated by an ignition switch, manages the higher current that is necessary to increase the fuel pressure. -Ensure that runs smoothly and does not suffer from fuel starvation. -The fuel pump is running the entire time the engine is running, so replacement becomes more common as mileage increases.
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