Fitment Level: OE Match / Platform Verified

Compatible with Ford diesel emission aftertreatment systems using OEM references:

• LK21-5L216-AA
• LK21 5L216 AA
• 0281008055
• Bosch PM sensor family 0 281 008 055

Typical applications include:

• Ford Transit Mk8 / Mk9 2.0 EcoBlue diesel
• Ford Transit Custom 2.0 EcoBlue diesel
• Ford Ranger 2.0 EcoBlue diesel (selected Euro 6d variants)
• Ford light commercial diesel platforms with Bosch PM sensing system

This sensor is used in diesel particulate matter monitoring systems, where it measures soot concentration downstream of the diesel particulate filter (DPF). The ECU uses this signal to:

• verify DPF regeneration efficiency
• detect soot breakthrough or filter degradation
• optimize regeneration timing
• improve emission control accuracy in Euro 6d systems

⚠️ Important:
This is a DPF particulate matter (PM) sensor, not a NOx or pressure sensor.
It directly measures soot concentration after the DPF and is critical for Ford EcoBlue emissions strategy and regeneration control logic.

Fitment must always be confirmed strictly by OEM number (LK21-5L216-AA / 0281008055), as Ford EcoBlue platforms vary by calibration and vehicle application (Transit vs Ranger).