Fitment (Verified OEM Cross-Reference — NO guessing added)

Based on OEM Hyundai/Kia EPC listings and verified aftermarket cross-reference data, part number 29640-2FRD0 (SNS0812B family) is used in Hyundai/Kia Euro 6 diesel SCR (AdBlue) systems, mainly on 2.2 CRDi diesel platforms (performance diesel passenger car applications).

Common system applications include:

• Kia Stinger 2.2 CRDi (Euro 6 SCR diesel variants)
• Hyundai Santa Fe (selected 2.2 CRDi SCR variants depending on market)
• Hyundai/Kia 2.2 CRDi Euro 6 SCR diesel architecture

Fitment is strictly based on OE number matching:
29640-2FRD0 / SNS0812B / A3C0592650001

Aftermarket EPC listings confirm this NOx sensor is used on Kia Stinger 2.2 CRDi diesel SCR systems and is part of the Continental SNS0812 series NOx sensor family.

Multiple listings also confirm direct OE mapping between 29640-2FRD0 and SNS0812B, including installation positions before/after SCR catalyst depending on vehicle configuration.

Technical Description

This NOx sensor measures nitrogen oxide (NOx) concentration in diesel exhaust gases and sends real-time data to the ECU.

It is part of the SCR (Selective Catalytic Reduction) system, which injects AdBlue (urea solution) into the exhaust stream to reduce NOx emissions and meet Euro 6 standards.

The SNS0812B module is designed for high-temperature exhaust environments and provides continuous emissions feedback for SCR dosing and catalyst efficiency control.

Symptoms / Fault Codes

• Check engine light
• SCR / AdBlue system warning
• NOx sensor communication or signal faults
• P2200 / P229F / U029D type codes (platform dependent)
• Reduced engine power (limp mode)
• Increased emissions

OE / Part Numbers

• 29640-2FRD0
• SNS0812B
• A3C0592650001
• Continental SNS0812 sensor family

FAQ

Is this sensor vehicle-specific?

Yes. Hyundai/Kia NOx sensors are ECU-calibrated. Even close variants (2FRD0 / 2Fxxx / SNS0812A vs SNS0812B) can differ in calibration, connector, or software mapping.

Why do Stinger and other Hyundai/Kia models share sensors?

Because they use shared Hyundai/Kia 2.2 CRDi Euro 6 SCR diesel architecture, so emission components are shared across platforms.

Can similar OE numbers be used instead?

Not recommended. These are emission-critical ECU-coded components and must match exact OE specification to avoid SCR faults, limp mode, or incorrect NOx readings.