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(888) 312-8812 Login SignupProtect inlet exhaust accuracy with the Mack Nitrogen Oxide (NOx) Sensor. This inlet NOx sensor monitors nitrogen oxide levels before the exhaust aftertreatment system on compatible Mack heavy-duty trucks. Its signal helps the SCR system manage dosing and emissions response under changing engine load. The new Mack 22303390 sensor supports MP7 and MP8 engine applications that require precise exhaust data for EPA10 emissions performance.
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