Upstream NOX Sensor for Chevy Silverado GMC Sierra 2500 3500 HD 6.6L 2017-2019

Product Overview

This aftermarket replacement NOX sensor is intended for the listed Chevrolet Silverado and GMC Sierra 2500 and 3500 HD 6.6L applications from 2017 to 2019. A NOX sensor measures nitrogen oxide levels in the exhaust stream and provides that information to the emissions control system. The upstream position noted in the title identifies the sensor location for reference when comparing against the existing component.

Key Features & Performance

• NOX sensor that monitors nitrogen oxide levels in the exhaust stream for the emissions control system
• Upstream position as identified in the product title
• Intended for the listed Chevrolet Silverado and GMC Sierra 2500 and 3500 HD 6.6L applications from 2017 to 2019
• Replacement option when servicing a worn or malfunctioning NOX sensor

Fitment & Compatibility

• for Chevrolet Silverado 2500 HD 6.6L applications from 2017 to 2019
• for Chevrolet Silverado 3500 HD 6.6L applications from 2017 to 2019
• for GMC Sierra 2500 HD 6.6L applications from 2017 to 2019
• for GMC Sierra 3500 HD 6.6L applications from 2017 to 2019

Common Uses

• Replacing a worn, failed, or malfunctioning NOX sensor
• Servicing the vehicle exhaust emissions control system
• Restoring normal sensor function after the original unit has failed

Technical Specifications

• Product Type: NOX Sensor
• Position: Upstream
• Vehicle Application(s): Chevrolet Silverado 2500 HD 6.6L 2017-2019, Chevrolet Silverado 3500 HD 6.6L 2017-2019, GMC Sierra 2500 HD 6.6L 2017-2019, GMC Sierra 3500 HD 6.6L 2017-2019
• Engine Application(s): 6.6L

Frequently Asked Questions

Q: What does a NOX sensor do? A: A NOX sensor measures nitrogen oxide levels in the exhaust stream and provides that information to the emissions control system.

Q: How should fitment be verified? A: Compare the complete existing part number and the complete equipment model designation against the information provided before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.