GPD 1815182 Nitrogen Oxide NOx Sensor Direct Fit

The GPD 1815182 is a direct-fit aftermarket Nitrogen Oxide (NOx) sensor designed to restore proper emissions system function. NOx sensors are a critical component of modern diesel exhaust aftertreatment systems, continuously monitoring nitrogen oxide concentrations in the exhaust stream to allow the engine control module (ECM) to regulate the Selective Catalytic Reduction (SCR) system and Diesel Exhaust Fluid (DEF) injection.

A failed or degraded NOx sensor can trigger check engine lights, fault codes, and reduced engine performance. Replacing it with a quality direct-fit unit restores accurate emissions monitoring and helps maintain compliance with emissions regulations.

Key Features:

• Direct-fit replacement — no modifications required
• Restores accurate nitrogen oxide monitoring for SCR/DEF system control
• Helps resolve related OBD fault codes (e.g., P229E, P2201, P2202)
• Manufactured by GPD (Global Parts Distributors), a trusted national distributor of aftermarket engine management and HVAC parts
• Designed to meet original equipment specifications

GPD (Global Parts Distributors, LLC) has been supplying quality aftermarket automotive and heavy-duty parts since 1974, with a broad catalog covering engine management sensors, A/C components, and heat exchangers.