WJIECO 12641557 NOx Sensor Dependable. Cross references 12662659, 5WK96736. 12V downstream post-SCR NOx Sensor for Chevrolet Cruze 2.0L LUZ Diesel 2014–2015. Plug & play direct replacement.

12641557 NOx Sensor Overview

The 12641557 NOx Sensor manufactured by WJIECO is the downstream post-SCR position 2 NOx sensor for Chevrolet Cruze 2.0L LUZ diesel from 2014 to 2015. This post-catalyst NOx sensor measures NOx levels exiting the SCR, so the ECM can confirm the SCR system works properly and stay compliant with EPA emissions standards.

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A faulty downstream NOx sensor commonly triggers SCR efficiency codes, check engine light and engine derate. Common related DTCs include P20EE, P2201, P220A. Many Cruze LUZ diesel owners experience intermittent faults during highway driving, which are typical signs of degraded NOx sensing element. This sensor cross-references interchange numbers: 12641557, 12662659, 5WK96736 for fast lookup by repair shops and diesel technicians across the USA.

H2: OEM-Grade Construction & Strict Factory Testing

Our 12641557 NOx Sensor adopts a high-stability ceramic sensing chip, heavy-duty heat-resistant stainless steel probe housing and fully sealed wiring assembly with OEM matching connector. It is built to withstand sustained exhaust heat, engine vibration, rapid thermal cycling, soot buildup, plus road salt, mud and moisture during daily commuting and highway driving. Low-cost generic NOx sensors commonly skip long-duration high-temperature burn-in calibration, which leads to unstable readings and premature failure after short service time.

Every finished 12641557 NOx Sensor passes a full series of factory quality validation steps: precision NOx signal calibration, high-temperature aging cycle test, waterproof seal pressure test and connector pin continuity inspection before packing. This strict QC process guarantees stable NOx readings, reliable CAN communication with the ECM and extended service life inside the harsh diesel exhaust aftertreatment environment.

H2: Vehicle Fitment (Amazon US Chevy Cruze LUZ Diesel Fitment List)

Compatible Engine: 2.0L LUZ L4 Turbo Diesel (2014–2015)

• Chevrolet Cruze 2.0L LUZ Diesel Sedan (2014–2015)

Important note: This is the 12V DOWNSTREAM POST-SCR POSITION 2 NOx Sensor. NOT compatible with upstream position 1 NOx sensor 12662658, NOT compatible with gasoline Cruze models, NOT compatible with GM heavy-duty Duramax trucks, Ford or Ram diesel. Verify your VIN, engine, connector shape and original OEM part number before placing your order. Installing the wrong NOx Sensor will result in persistent SCR faults and derate that cannot be cleared easily.

H2: Core Benefits of 12641557 NOx Sensor

Replacing your faulty downstream post-SCR NOx Sensor with the WJIECO 12641557 NOx Sensor restores accurate post-SCR NOx monitoring for the emissions control system. Reliable downstream NOx readings let the ECM verify SCR conversion efficiency, clear NOx and SCR related diagnostic trouble codes, remove engine power derate restrictions, and complete emissions readiness monitors required for state inspection. For Cruze diesel daily drivers, proactive replacement prevents unexpected derate and roadside breakdowns.

Robust, factory-calibrated construction greatly reduces early failure and intermittent fault codes that plague low-cost alternatives. This aftermarket NOx Sensor delivers OEM-matching performance at a much lower price than dealership replacement parts, making it a reliable choice for US compact diesel car owners and professional repair facilities.

H2: Plug-and-Play Installation, No Dealer Programming Required

This 12641557 NOx Sensor is a true direct-fit replacement for the factory downstream post-SCR NOx Sensor on 2014–2015 Chevrolet Cruze 2.0 LUZ diesel. Thread size, probe length, mounting thread, connector profile and wiring pinout all match OEM specifications exactly. Remove the old faulty sensor, torque the new sensor to factory torque specs and reconnect the stock wiring harness. There is no wire cutting, harness modification or ECM flash programming needed. After installation, clear all associated diagnostic trouble codes with a diesel scan tool and perform a loaded test drive. A full drive cycle is recommended so the ECM can run its SCR self-test and reset emissions readiness status.

Every WJIECO 12641557 NOx Sensor is fully bench tested before shipment. If you need a reliable 12V downstream NOx Sensor compatible with 12641557 5WK96736 for Chevrolet Cruze 2.0 LUZ diesel, this WJIECO NOx Sensor will return your SCR emissions system to normal operation.

Product Tags

12641557, 12662659, 5WK96736, NOx Sensor, Nitrogen Oxide Sensor, downstream position 2 NOx sensor, Chevrolet Cruze diesel NOx sensor, LUZ diesel exhaust sensor, WJIECO exhaust sensor

https://wjieco-autoparts.com/product/24000395-nox-sensor/

WJIECO 24000395 NOx Sensor Long-lasting. Cross references 55495040, 55496922. 12V upstream upper NOx Sensor for GM 2.8L LWN Duramax Diesel 2016–2019. Fits Chevrolet Colorado, GMC Canyon, plug & play install.