DORMAN 904-421 NITROGEN OXIDE (NOX) SENSOR (DOWNSTREAM) 2011-2014 GM 6.6L DURAMAX LML/LGH

The DORMAN 904-421 Nitrogen Oxide (NOx) Sensor (Downstream) for the 2011-2014 GM 6.6L Duramax LML/LGH vehicles is a precision-engineered replacement part designed to restore proper nitrogen oxide detection and ensure compliance with emission regulations. This NOx sensor is an exact match to the original equipment sensor, providing seamless integration and reliable performance.

Featuring a direct replacement design, this sensor replicates the function and efficiency of the original sensor to bring back optimal performance. By accurately detecting nitrogen oxide levels, it effectively aids in maintaining emission compliance. Specifically engineered for certain vehicle years, makes, and models, this sensor is a tailored solution for your automotive needs.

Manufactured with attention to quality, this NOx sensor is supported by a team of proficient engineers and quality specialists based in the United States. This ensures a trustworthy and reliable product that upholds high standards in automotive engineering.

The DORMAN 904-421 Nitrogen Oxide (NOx) Sensor comes in a sleek silver color with a black and silver female connector. The rounded rectangle connector shape and plain finish enhance its durability and longevity. Additionally, this product includes 1 sensor with module and features a male terminal with M6 - 1.0 pins for a secure connection. The 20 AWG wire gauge and 920mm wiring harness length make it an ideal fit for specific applications.

OE Numbers:
- Direct OE Cross: 12671388
- General Motors: 19256344

Invest in the DORMAN 904-421 Nitrogen Oxide (NOx) Sensor for reliable performance, quality engineering, and precise emissions control in your vehicle.