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Fitment
Compatible with Volvo and Mack heavy-duty diesel trucks equipped with SCR (Selective Catalytic Reduction) emission systems requiring NOx monitoring. Commonly used in exhaust aftertreatment systems for Euro emission standard engines. Verify OEM part numbers 22303391, 21479638, or 21567764 before installation.

FAQ
Q1: What is the function of this NOx sensor?
A: It measures nitrogen oxide concentration in exhaust gases to support SCR emission control system operation.

Q2: Which trucks use this sensor?
A: It is used in selected Volvo and Mack diesel trucks depending on engine and emission system configuration.

Q3: Is this a universal part?
A: No, correct application depends strictly on OEM part number and vehicle emission system setup.

Q4: Does installation require programming?
A: Some vehicles may require ECU reset or adaptation using diagnostic equipment after replacement.

Q5: Where is the sensor located?
A: It is installed in the exhaust aftertreatment system, typically upstream or downstream of the SCR catalyst.

ASHENG

NOx Sensor for Volvo Truck Mack Diesel Engine Emissions Systems 22303391 21479638 21567764 Replacement Unit

$146.00

Fitment
Compatible with Volvo and Mack heavy-duty diesel trucks equipped with SCR (Selective Catalytic Reduction) emission systems requiring NOx monitoring. Commonly used in exhaust aftertreatment systems for Euro emission standard engines. Verify OEM part numbers 22303391, 21479638, or 21567764 before installation.

FAQ
Q1: What is the function of this NOx sensor?
A: It measures nitrogen oxide concentration in exhaust gases to support SCR emission control system operation.

Q2: Which trucks use this sensor?
A: It is used in selected Volvo and Mack diesel trucks depending on engine and emission system configuration.

Q3: Is this a universal part?
A: No, correct application depends strictly on OEM part number and vehicle emission system setup.

Q4: Does installation require programming?
A: Some vehicles may require ECU reset or adaptation using diagnostic equipment after replacement.

Q5: Where is the sensor located?
A: It is installed in the exhaust aftertreatment system, typically upstream or downstream of the SCR catalyst.
$146.00
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    Description

Fitment
Compatible with Volvo and Mack heavy-duty diesel trucks equipped with SCR (Selective Catalytic Reduction) emission systems requiring NOx monitoring. Commonly used in exhaust aftertreatment systems for Euro emission standard engines. Verify OEM part numbers 22303391, 21479638, or 21567764 before installation.

FAQ
Q1: What is the function of this NOx sensor?
A: It measures nitrogen oxide concentration in exhaust gases to support SCR emission control system operation.

Q2: Which trucks use this sensor?
A: It is used in selected Volvo and Mack diesel trucks depending on engine and emission system configuration.

Q3: Is this a universal part?
A: No, correct application depends strictly on OEM part number and vehicle emission system setup.

Q4: Does installation require programming?
A: Some vehicles may require ECU reset or adaptation using diagnostic equipment after replacement.

Q5: Where is the sensor located?
A: It is installed in the exhaust aftertreatment system, typically upstream or downstream of the SCR catalyst.

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