GPD 1815139 Nitrogen Oxide NOx Sensor Direct Fit Replacement

The GPD 1815139 is a direct-fit replacement Nitrogen Oxide (NOx) Sensor engineered to meet or exceed OEM fit, form, and function. NOx sensors play a critical role in modern diesel emissions systems by continuously monitoring nitrogen oxide levels in the exhaust stream, enabling the vehicle's ECU to optimize the Selective Catalytic Reduction (SCR) system and maintain compliance with emissions regulations.

Key Features:

• Direct-fit replacement — no modifications required for installation
• Designed to meet or exceed OEM specifications for accurate NOx measurement
• Compatible with 12-volt vehicle electrical systems
• Durability tested to withstand high-temperature and high-vibration exhaust environments
• Helps eliminate NOx-related diagnostic trouble codes (DTCs)
• Supports proper SCR system operation for optimal fuel efficiency and emissions control

Cross-Reference Part Numbers: 1815139, 2872944, 2872944RX, 3687930, 3687930RX, 4326870, 4326870RX, 4709447, 5WK96740B, 904-6009, 577-90652, 577-90656, 5EL012, S28551

GPD (Global Parts Distributors) is a national distributor of aftermarket automotive and heavy-duty engine management and HVAC parts, with decades of experience supplying quality replacement components to professional technicians and repair shops across the United States.

California Residents: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.