Global Parts 1816081 Nitrogen Oxide (NOx) Sensor - Upstream

Upstream NOx Sensor for Silverado and Sierra HD

Global Parts 1816081 is a specific-fit nitrogen oxide sensor for diesel emission control systems. It is built with a 6-pin oval female connector, male terminals, and 6 wires for direct replacement service on select heavy-duty GM trucks.

• Specific-fit nitrogen oxide (NOx) sensor
• Upstream position application
• Oval connector shape with female connector gender
• Male terminal gender with pin-style terminals
• 6 connector pins and 6 wires
• Cross-reference: Standard Ignition NOX007

Detailed Product Overview

This Global Parts NOx sensor, part number 1816081, is intended for emission control service on 2018-2020 Chevrolet Silverado 2500 HD, 2018-2020 Chevrolet Silverado 3500 HD, 2018-2020 GMC Sierra 2500 HD, and 2018-2020 GMC Sierra 3500 HD in the upstream location. It is a direct-fit sensor for diesel exhaust aftertreatment monitoring, helping the vehicle’s control system measure nitrogen oxide levels accurately. This part also cross-references Standard Ignition NOX007 for the same application.

For buyers searching for a 2018-2020 Chevrolet Silverado 2500 HD upstream NOx sensor or a 2018-2020 GMC Sierra 3500 HD upstream nitrogen oxide sensor, part number 1816081 provides the specified connector and terminal configuration needed for the listed trucks. The OE-style fitment and connector layout support straightforward replacement on the confirmed applications.

What This Part Helps Address

• NOx sensor fault codes related to upstream emissions monitoring
• Check engine lights tied to diesel aftertreatment sensor failure
• Incorrect nitrogen oxide readings from a worn or damaged sensor
• Emission system drivability issues caused by sensor signal loss
• Service needs on Silverado HD and Sierra HD diesel emission control systems

Installation Notes and Tips

Verify the upstream sensor location before ordering and match the connector shape, pin count, and terminal configuration to the original part. Confirm vehicle year, make, model, and engine/emissions setup against the listed fitment for 2018-2020 Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD. Use the existing harness routing and connector orientation as a reference during replacement.

Quality Assurance

Global Parts supplies this NOx sensor as a specific-fit replacement for the confirmed GM heavy-duty truck applications listed above. Part number 1816081 is built to match the required upstream sensor configuration for those vehicles.