Cummins QSB 6.7L Fuel Rail Pressure Sensor 2017-2023: OEM 4307165

Reliable Pressure Monitoring for Cummins QSB 6.7L Engines

What Is It?

The OEM 4307165 Fuel Rail Pressure Sensor is a critical component in the fuel injection system of Cummins QSB 6.7L engines built between 2017 and 2023. This sensor monitors high-pressure fuel levels within the common rail and sends real-time data to the engine control module (ECM), which uses this input to regulate injection timing and fuel delivery.

Why Choose OEM 4307165?

Built to Cummins’ exacting standards, this sensor ensures accurate pressure readings and dependable communication with the ECM. A faulty or inaccurate sensor can lead to drivability issues, emissions faults, or injector misfiring. Choosing the OEM sensor ensures precise operation and system compatibility.

Key Benefits

✅ Accurate High-Pressure Monitoring
✅ OEM Fit for QSB 6.7L Engines (2017–2023)
✅ Supports Stable Fuel Injection Control
✅ Direct Plug-In with Factory Harness
✅ Engineered for High-Temperature, High-Vibration Environments

Applications

This pressure sensor is used in Cummins QSB 6.7L engines found in industrial equipment, agricultural machinery, and commercial vehicles. It is especially critical for engines operating under EPA Tier 4 Final standards or equivalent regulatory systems.

Installation Notes

The sensor should be installed by a qualified technician. Always disconnect battery power before sensor replacement. Inspect the electrical connector and sensor port for corrosion or debris. After installation, clear any active diagnostic trouble codes and verify sensor readings using Cummins-compatible diagnostic tools.

Final Thoughts

The OEM 4307165 Fuel Rail Pressure Sensor is a vital part of your Cummins QSB 6.7L engine’s fuel control system. With dependable OEM-grade construction and precise feedback capability, it helps ensure accurate fuel delivery and emissions system integrity across demanding work conditions.