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Walker 285-1122 Nitrogen Oxide (NOx) Sensor - Downstream
| Brand | Walker 285-1122 |
|---|---|
| Position | Downstream |
| Color | Black |
| Finish | Matte |
| Connector Color | Black |
| Terminal Type | Spade |
| Connector Shape | Square |
| Terminal Quantity | 4 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Product line | Genuine OE |
| Fits | Nissan · 4 vehicles |
Genuine OE. OE-level quality, fit, and reliability from Walker Products.
Plug-and-play solution. Seamless installation with OE connectors and harness lengths.
Precision technology. Built with exacting standards and high-quality materials.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Walker Genuine OE NOx Sensor for Nissan TITAN XD
Walker Genuine OE Part Number 285-1122 is a nitrogen oxide (NOx) sensor built for diesel and gasoline emission systems that rely on accurate exhaust monitoring. It is a direct-fit solution for 2016-2019 Nissan TITAN XD downstream applications and is engineered for OE-style performance, connector fit, and harness length.
Key Features
- Genuine OE NOx sensor for selective catalytic reduction (SCR) emission systems
- Fits 2016-2019 Nissan TITAN XD, downstream
- Walker part number 285-1122 for direct identification
- OE connector and harness length for plug-and-play installation
- Black matte housing with square connector shape
- 4-terminal design with female connector and male terminals
- Built by Tier 1 OE suppliers using OE-level materials and manufacturing standards
Product Details
Walker Products Genuine OE NOx sensors are produced to monitor nitrogen oxide levels in SCR-equipped exhaust systems. Accurate NOx readings are critical for aftertreatment control, helping the vehicle manage emissions, protect components such as diesel particulate filters, and maintain efficient engine operation. This Walker 285-1122 sensor is designed for the downstream position on the Nissan TITAN XD and uses OE-style electrical and physical interfaces for straightforward replacement.
The Genuine OE product line focuses on direct replacement parts built with the same precision technology used by leading vehicle manufacturers. For buyers searching for a downstream NOx sensor for 2016-2019 Nissan TITAN XD or a Walker 285-1122 emission sensor replacement, this part provides a factory-style fit and configuration.
Common Issues This Part Addresses
- Fault codes related to NOx sensor performance
- Incorrect exhaust emissions readings in SCR systems
- Aftertreatment control problems affecting emission system operation
- Reduced efficiency from a failed downstream NOx sensor
- Drivability or emissions compliance issues tied to sensor signal loss
Installation Notes
Verify the downstream sensor location and connector style before installation. Match the OE connector, terminal layout, and harness routing to the original part for proper fitment on the Nissan TITAN XD. This sensor is designed as a direct replacement, so installation should follow the vehicle service procedure for the emission system.
Quality Assurance
Walker Genuine OE NOx sensors are manufactured to OE-level standards by Tier 1 suppliers and are field-proven in demanding exhaust environments with heat, vibration, and corrosion exposure. Part number 285-1122 is built for dependable emission-system service on the Nissan TITAN XD.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Nissan | TITAN XD | 5.0L | V8 | Downstream | Genuine OE |
| 2018 | Nissan | TITAN XD | 5.0L | V8 | Downstream | Genuine OE |
| 2017 | Nissan | TITAN XD | 5.0L | V8 | Downstream | Genuine OE |
| 2016 | Nissan | TITAN XD | 5.0L | V8 | Downstream | Genuine OE |
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