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Total price $384.99

Product Description

This NOx sensor, part 577.23428, is a direct-fit replacement for Detroit Diesel engines, cross-referencing to EA0111534028 and EA0121536728. Monitors exhaust NOx levels for proper SCR/aftertreatment operation and emissions compliance — a common cause of check-engine and derate codes when failing.

In stock at United Truck Parts, Breinigsville, PA — fast I-78 corridor shipping, financing available. Call to confirm fitment for your Detroit Diesel engine.

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