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Carquest: 86674
Verify ESM / ECM calibration and sensor harness connector before substituting — later Cummins EGR-equipped platforms (some 4984929-spec applications) use a different sensor part number
11 PSI bypass valve
1993 – 1999) Cross References
or reduced ride quality
Cummins 4921728 EGR Differential Pressure Sensor Replacement PAI 050741 Trailer Spring Brake Valve Carquest: 86674Cummins 4921728 EGR differential pressure sensor (also known as Delta P) for EGR equipped Cummins HD on highway engines principally the ISX ISX15 QSX15 platform, with broader use across ISM, ISL, QSM, and certain ISB QSB applications. Reads the pressure drop across the EGR cooler venturi and reports to the ECM so the EGR valve can meter recirculated exhaust correctly. PAI 050741 is the equivalent aftermarket replacement; sensor is a 3 pin,
