Standard Ignition NOX045 Nitrogen Oxide (NOx) Sensor - Downstream

Downstream NOx Sensor for Cruze

Standard Ignition NOX045 is a downstream nitrogen oxide sensor for select 2017-2019 Chevrolet Cruze applications. It uses a female rectangular connector with 6 male pin terminals to match the vehicle’s emission control wiring and sensor interface.

Key Features

• Part number: NOX045
• Part type: Nitrogen Oxide (NOx) sensor
• Downstream emission control sensor location
• Female rectangular connector
• 1 connector with 6 male pin terminals
• Direct-fit application for select Chevrolet Cruze models

Detailed Description

Standard Ignition NOX045 is built for downstream NOx monitoring in 2017-2019 Chevrolet Cruze vehicles. As part of the emission control system, this sensor helps the engine control module track nitrogen oxide levels after exhaust treatment, supporting proper system feedback and diagnostic accuracy. If you are searching for a downstream NOx sensor for 2017 Chevrolet Cruze, 2018 Chevrolet Cruze, or 2019 Chevrolet Cruze, NOX045 is the listed application.

This part cross-references 24001908 and DNX045 for the same application.

What It Helps Address

• NOx sensor fault codes related to downstream exhaust monitoring
• Emission system warning lights tied to sensor signal issues
• Incorrect nitrogen oxide readings from a failing sensor
• Driveability concerns caused by emission control feedback errors
• Inspection or emissions test failures linked to sensor performance

Installation Notes and Tips

Verify the connector style, terminal count, and downstream position before installation. This NOX045 sensor is listed for the downstream location on 2017-2019 Chevrolet Cruze models, so confirm the original sensor placement and connector match the vehicle before replacement. After installation, clear diagnostic trouble codes and recheck the system for stored faults.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and emission control components. NOX045 is cataloged as a direct replacement for the listed Cruze applications and is identified by OE-style interchange references for fitment verification.