HomeEmission Control > SensorsDorman 904-6035 Nitrogen Oxide (NOx) Sensor - Downstream
Part #: 904-6035

Dorman 904-6035 Nitrogen Oxide (NOx) Sensor - Downstream

Downstream
⚙️ 6 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$452.84Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ram, 2500, 3500, and 4000
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman 904-6035 Nitrogen Oxide Sensor

The Dorman 904-6035 Nitrogen Oxide (NOx) Sensor is designed specifically for Ram 2500, 3500, and 4000 models. This sensor plays a critical role in monitoring and controlling emissions to ensure compliance with environmental standards.

  • Color: Black and Silver components for durability and corrosion resistance
  • Plated finish for enhanced protection against harsh conditions
  • Wiring harness length of 620 mm for precise fitment
  • 18-gauge wire measurement for reliable electrical performance
  • Black oval-shaped female connector with 4 male blade terminals
  • Specific fitment designed for Ram heavy-duty trucks
  • Includes one sensor with integrated module

Detailed Product Description

The Dorman 904-6035 NOx sensor features a plated finish and a combination of black and silver colors that contribute to its durability and resistance to environmental factors. The sensor’s wiring harness measures 620 mm in length and uses 18-gauge wiring, ensuring stable signal transmission and compatibility with the vehicle’s emission control system. The connector is oval-shaped, female, and equipped with four male blade terminals, providing a secure and precise connection. This sensor is engineered specifically for Ram 2500, 3500, and 4000 models, ensuring exact fitment and optimal performance.

Common Applications and Issues Addressed

  • Helps maintain accurate nitrogen oxide emission readings
  • Prevents emission control system warning lights
  • Reduces risk of failed emissions tests
  • Improves engine performance by providing accurate sensor data
  • Supports compliance with environmental regulations

Installation Notes and Tips

  • Ensure vehicle compatibility with Ram 2500, 3500, or 4000 before installation
  • Disconnect the battery before replacing the sensor to avoid electrical issues
  • Handle the sensor carefully to avoid damage to the wiring harness and connector
  • Verify the connector’s oval shape and terminal configuration match the vehicle’s harness
  • Use appropriate tools to secure the sensor and avoid over-tightening

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications. The 904-6035 NOx sensor undergoes rigorous quality control to ensure reliable performance and durability. This sensor is backed by Dorman’s limited warranty, providing coverage against defects in materials and workmanship under normal use.

BrandDorman
Part Number904-6035
ColorBlack
ColorSilver
Connector ColorBlack
Connector GenderFemale
Connector ShapeOval
Friction Material ThicknessPlated
Package Contents1 Sensor With Module
Terminal GenderMale
Terminal Quantity4
Terminal TypeBlade
Universal Or Specific FitSpecific
Wire Gauge Measurement18
Wiring Harness Length620

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012Ram25006.7LL6Downstream
2012Ram35006.7LL6Downstream
2012Ram40006.7LL6Downstream
2011Ram25006.7LL6Downstream
2011Ram35006.7LL6Downstream
2011Ram40006.7LL6Downstream

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

5149216AB

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.