NTK 25210 Oxygen Sensor - Upstream

Direct-Fit Oxygen Sensor for Hyundai Genesis Coupe

NTK 25210 is a direct-fit heated oxygen sensor built for specific applications, including the 2010-2012 Hyundai Genesis Coupe upstream Bank 1 Sensor 1 position. With a threaded mounting design, 4-wire configuration, and 19-inch wiring harness length, it is built to match the original sensor layout for accurate replacement service.

NTK’s Direct Fit Oxygen Sensor line focuses on OE-style fit, form, and function for import and domestic vehicles. Part number 25210 is engineered for the 2010-2012 Hyundai Genesis Coupe and supports precise exhaust feedback in the upstream location.

Key Features

• Direct-fit oxygen sensor for specific vehicle applications
• Heated sensor design for faster operating readiness
• 4-wire configuration for OE-style electrical connection
• 19-inch wiring harness length
• 18 mm threaded mounting type
• Built for upstream Bank 1 Sensor 1 placement on the Hyundai Genesis Coupe
• NTK 25210 cross-references DENSO Auto Parts 234-4449 and Davico Mfg 18049 for the same application

Product Details

NTK 25210 is part of the Direct Fit Oxygen Sensor line, a product range focused on streamlined coverage and application-specific replacement. NTK manufactures oxygen sensors with ceramic technology control from raw material through finished component, and each sensor is extensively tested during production to meet or exceed OE specifications. For drivers and technicians servicing a 2010-2012 Hyundai Genesis Coupe, this sensor provides the correct upstream Bank 1 Sensor 1 configuration without the need to adapt the vehicle’s original sensor location or connector layout.

Common Issues This Sensor Can Address

• Check engine light related to oxygen sensor performance
• Incorrect air-fuel feedback from a worn upstream sensor
• Slow sensor response during closed-loop operation
• Fault codes tied to Bank 1 Sensor 1 readings
• Exhaust emissions concerns caused by degraded sensor output

Installation Notes

Verify the vehicle is a 2010-2012 Hyundai Genesis Coupe with the upstream Bank 1 Sensor 1 application before installation. Confirm the 4-wire connector, threaded mounting style, and 18 mm thread diameter match the original sensor. Inspect the exhaust bung and harness routing before fitting NTK 25210, and route the 19-inch lead away from heat sources and moving components.

Quality Assurance

NTK is a major original equipment oxygen sensor manufacturer, and this Direct Fit Oxygen Sensor line is manufactured and tested to support OE-level fit and performance expectations. Part number 25210 is built for specific application coverage and validated during production for reliability in import and domestic service.