The DPD Sensor for Isuzu 4HK1 Engine is a vital component of the diesel particulate filtration system, responsible for monitoring exhaust pressure and particulate buildup inside the DPD unit. Accurate readings from this sensor help the ECU optimize regeneration cycles, ensuring clean combustion, reduced soot buildup, and compliance with emission standards.
Manufactured to OEM specifications, this sensor guarantees proper fitment, fast response, and long-term durability even in high-temperature exhaust environments. It’s a direct replacement for faulty or worn sensors in Isuzu NPR, NQR, and NRR models equipped with the 4HK1 engine.
Key Features:
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Compatible with Isuzu 4HK1 diesel engines
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Provides real-time DPD system feedback for regeneration control
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Helps maintain emission efficiency and prevent clogging
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Built with heat-resistant, corrosion-proof materials
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Direct OEM-fit replacement — plug-and-play installation
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Ensures smoother engine performance and reduced downtime
Compatible Applications:
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Engines: Isuzu 4HK1
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Models: Isuzu NPR, NQR, NRR (various years)
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Applications: Trucks, buses, and medium-duty vehicles with DPD exhaust systems
Frequently Asked Questions (FAQ)
What does the DPD sensor do in an Isuzu 4HK1 engine?
The DPD sensor measures exhaust pressure and soot accumulation levels inside the diesel particulate diffuser, allowing the ECU to control regeneration cycles efficiently.
How do I know if my DPD sensor is faulty?
Common signs include DPD warning lights, loss of power, excessive smoke, or incomplete regeneration cycles.
Is this sensor compatible with all Isuzu 4HK1 models?
Yes, it fits all 4HK1 engine configurations used in Isuzu NPR, NQR, and NRR models.
Can I install the DPD sensor myself?
Installation is straightforward with basic tools, but professional installation is recommended to ensure accurate calibration.
What benefits does replacing a bad DPD sensor provide?
Replacing a faulty sensor restores correct exhaust pressure readings, ensuring efficient regeneration and preventing costly DPD or turbo damage.
Sensor Dpd For Isuzu 4HK1 Engine
OE Replacement: Not Available
Fits Following: Provide vin# or serial number for Model Information
Year: Provide vin# or serial number for Year Information




