The DEF DCM Sensor for Isuzu NPR, NQR, and NRR trucks (2011–2018) with 4HK1 engines is an essential emission control component designed to monitor Diesel Exhaust Fluid (DEF) levels and quality.
This sensor ensures your truck meets emission standards by providing precise data to the ECU, optimizing DEF injection, and reducing exhaust emissions. Manufactured to OEM specifications, it guarantees compatibility, durability, and reliable operation even in demanding environments.
Whether you’re replacing a malfunctioning sensor or performing a DEF system service, this OEM replacement ensures proper function of the DEF dosing control module (DCM) and improved overall system efficiency.
Key Features:
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OEM-grade DEF DCM sensor for Isuzu 4HK1 engine (2011–2018)
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Ensures accurate DEF level and quality monitoring
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Helps maintain emission compliance and engine performance
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Durable construction resists corrosion and thermal stress
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Direct-fit design for easy installation and plug-and-play operation
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Backed by reliable OEM quality and precision engineering
Compatible Models:
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Isuzu NPR (2011–2018)
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Isuzu NQR (2011–2018)
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Isuzu NRR (2011–2018)
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Engine: 4HK1
Frequently Asked Questions (FAQ)
What does the DEF DCM sensor do in an Isuzu truck?
The DEF DCM sensor monitors the level and quality of Diesel Exhaust Fluid (DEF) and sends accurate data to the ECU to control emissions effectively.
Is this sensor compatible with all 4HK1 engines?
Yes, it is compatible with Isuzu NPR, NQR, and NRR models equipped with the 4HK1 engine from 2011 to 2018.
Can a faulty DEF sensor cause engine performance issues?
Yes, a malfunctioning DEF sensor can trigger warning lights, reduce power, and affect the emission system’s operation.
Is this part an OEM or aftermarket replacement?
This is an OEM-quality sensor designed to meet or exceed factory specifications for reliability and fitment.
Do I need special tools to install this sensor?
No, the sensor is a direct-fit plug-and-play design. However, professional installation is recommended for optimal performance.
Sensor Def Dcm Isuzu NPR NQR NRR / 4HK1 | 2011-18
OE Replacement: Not Available
Fits Following: NPR NQR NRR NPR-HD / 4HK1 5.2
Year: 2011-18
