4921776RX | Genuine Cummins® Engine Control Module For ISB, QSB, ISL DEF Pump Fits 3088‑S2396 For transmissions in

Fits 3088‑S2396 For transmissions in heavy trucks

8980863253

Mack Anthem

Audible hissing sound around the valve or lines

Especially under load (towing

4921776RX | Genuine Cummins® Engine Control Module For ISB, QSB, ISL DEF Pump Fits 3088‑S2396 For transmissions inDescription: An ECM, or Engine Control Module 4921776RX, is essentially the computer that manages and controls how your vehicles engine operates. The Engine Control Module (ECM) sometimes called the Engine Control Unit (ECU) or Powertrain Control Module (PCM) is an electronic control unit that monitors and regulates engine performance. It uses sensors throughout the engine and vehicle to make real time adjustments. Part Number: 4921776RX Condition: