Detroit Diesel NOx Sensor – Skyline OE Manufactured – Replaces A0111534028Maintain the efficiency of your aftertreatment system and ensure strict emissions compliance with the Detroit Diesel NOx Sensor by Skyline. As an OE manufactured component, this sensor provides the precision monitoring required to measure Nitrogen Oxide levels in your exhaust stream. Specifically designed for the outlet position, this sensor is a critical link in your engine's ability to manage DEF dosing and prevent costly "limp mode" conditions.