163-8516 [SENSOR GP PR]

The 163-8516 is a Caterpillar pressure sensor (GP-PR = Group Pressure Sensor) used in engine and generator systems.

🔧 Type

👉 Low-Pressure Sensor (Electronic Sensor)

⚙️ Main Function

• Measures pressure (oil/boost/air/fuel depending on installation)
• Converts pressure into an electrical signal
• Sends data to:
  • ECM (Engine Control Module)
  • EMCP (Generator Control Panel)

👉 Helps monitor and protect the engine in real time