Compatible with diesel vehicles equipped with exhaust particulate (PM) sensor systems using OEM references HC34-5L239-DB / 0281006689 / HC34-5L239-DA / HC34-5L239-BA series in diesel aftertreatment (DPF system).

Typical applications include:

• Ford Super Duty diesel platforms (selected configurations)
• Heavy-duty diesel trucks using Bosch PM sensor architecture
• Commercial diesel engines with Euro emissions DPF systems
• Vehicles equipped with post-DPF soot monitoring for regeneration feedback
• CAN-bus diesel aftertreatment control systems

⚠️ Note: This is a post-DPF particulate matter (soot) sensor, not a NOx sensor or differential pressure sensor. It directly measures soot concentration after the diesel particulate filter to evaluate filter efficiency and manage regeneration cycles.

Function: Installed downstream of the DPF, the sensor continuously reports particulate load to the ECU/ACM. This enables precise regeneration timing, reduces DPF clogging risk, and ensures emissions compliance in modern diesel systems.