GPD 1815142 Nitrogen Oxide NOx Sensor Direct Fit Replacement

The GPD 1815142 is a direct-fit replacement Nitrogen Oxide (NOx) Sensor engineered for diesel-powered vehicles equipped with Selective Catalytic Reduction (SCR) emissions systems. The NOx sensor continuously monitors nitrogen oxide concentrations in the exhaust stream, supplying real-time data to the engine control module (ECM) to optimize urea/DEF injection and ensure the SCR system operates within emissions compliance.

A failed or degraded NOx sensor can trigger check engine lights, emissions-related fault codes (such as P2200 or P2201), and may cause the SCR system to enter a derate or limp mode. Replacing a faulty sensor with this direct-fit GPD unit restores proper emissions monitoring and engine performance.

Key Features:

• Direct-fit replacement — engineered to match OEM connector, mounting, and calibration specifications
• Designed to meet or exceed OEM fit, form, and function — no modifications required for installation
• Application specific — built for North American vehicle applications
• Durability tested on every new design to ensure long service life
• Compatible with SCR/DEF-equipped diesel emissions systems
• Sold as a single sensor

GPD (Global Parts Distributors, LLC) is a nationally recognized aftermarket supplier of automotive and heavy-duty engine management sensors, HVAC components, and heat exchange parts, with warehouses across the USA and a product line built to OE quality standards.