Mando 18A1402 Air / Fuel Ratio Sensor - Upstream

OE Replacement Air/Fuel Ratio Sensor

Mando 18A1402 is a New Original Equipment air/fuel ratio sensor for precise exhaust feedback and engine management. It is a direct-fit replacement for the upstream sensor on the 2010 Hyundai Elantra and supports accurate air and fuel mixture monitoring.

Key Features

• OE replacement sensor built to factory precision specifications
• Upstream position for the 2010 Hyundai Elantra
• Helps the engine control system monitor combustion mixture
• Direct replacement for Hyundai OE part number 39210-23910
• Mando New Original Equipment line for Hyundai and Kia applications

Product Details

This Mando air/fuel ratio sensor is engineered for the 2010 Hyundai Elantra, upstream location, and is intended to restore accurate exhaust signal input to the engine control module. The Mando 18A1402 follows factory-style specifications for fit and sensor performance, making it a practical OE replacement for Hyundai Elantra owners addressing drivability or emissions-related concerns. This part cross-references Hyundai (e.g., 39210-23910) for the same application.

Common Issues It May Address

• Check engine light related to oxygen sensor or air/fuel ratio sensor faults
• Rough or unstable engine idle
• Poor fuel economy from inaccurate mixture feedback
• Hard starting or extended crank conditions
• Emissions monitor or trouble code concerns

Installation Notes

Install in the upstream sensor location specified for the 2010 Hyundai Elantra. Verify connector style, routing, and sensor placement before installation, and clear diagnostic trouble codes after replacement if required by the vehicle repair procedure.

Quality Assurance

Mando New Original Equipment parts are built to OE-style specifications for Hyundai and Kia vehicles. The 18A1402 is a factory-precision replacement intended to match original engine management requirements.