Mando 18A1462 Oxygen Sensor - Downstream

Mando O2 Sensor for Hyundai and Kia

The Mando 18A1462 oxygen sensor is a New Original Equipment replacement built to factory precision specs for downstream exhaust monitoring. It helps your engine control system read the air-fuel mixture accurately, supporting smoother operation and proper emissions control on select Hyundai Sonata and Kia Optima applications.

Use this OE-style sensor when replacing a failed downstream unit on the listed vehicles. The Mando 18A1462 is engineered for direct-fit service on Hyundai and Kia models that require OEM-level sensor performance.

• OE replacement oxygen sensor for downstream exhaust placement
• Factory precision specifications for accurate air-fuel monitoring
• Supports emissions system feedback on Hyundai Sonata and Kia Optima
• Direct replacement for select 2011-2015 applications
• Cross-references Hyundai/Kia 39210-2G550 and 392102G550 for the same application

Detailed Product Information

Mando New Original Equipment parts are built to match original equipment requirements, and this oxygen sensor follows that approach for select Hyundai and Kia vehicles. The 18A1462 is used downstream, where it helps the engine management system monitor exhaust output and maintain proper combustion control. If your vehicle is showing sensor-related drivability concerns, this OE replacement provides the correct fitment for the listed applications.

Fits 2015 Kia Optima, Downstream. Fits 2011-2014 Kia Optima, Downstream. Fits 2011-2013 Kia Optima, Downstream, w/o Calif Emissions. Fits 2011 Hyundai Sonata, Downstream, To 03/21/2011. Fits 2011 Hyundai Sonata, Downstream, To 11/15/2010.

Common Issues This Sensor Can Address

• Check engine light related to oxygen sensor fault codes
• Rough or erratic engine idle
• Poor fuel economy from incorrect air-fuel readings
• Hard starting caused by inaccurate exhaust feedback
• Emissions monitoring problems on downstream sensor circuits

Installation Notes and Quality Assurance

Confirm the downstream position and match the vehicle’s emissions configuration before installation, especially on 2011-2013 Kia Optima models without California emissions and 2011 Hyundai Sonata build-date-specific applications. Verify connector style and OE part number 18A1462 against the original sensor before replacement.

Mando positions this part as a New Original Equipment replacement for Hyundai and Kia applications, with factory precision specifications for OE-level fit and function.