This oxygen sensor kit is a direct-fit aftermarket replacement for gasoline vehicle exhaust systems. This package comes with 2 O2 sensors to cover upstream and downstream positions as needed for your vehicle. Cross reference part numbers: 234-5029 and 234-4238.

Features

• Delivers oxygen signal feedback to the ECU to keep the air-fuel ratio within the correct range
• Upstream sensor manages air-fuel mixture; downstream sensor monitors catalytic converter efficiency
• Rugged stainless steel protective housing withstands extreme exhaust heat
• Direct replacement plug connector for matching applications. Always check plug shape before installation
• Heated sensing element enables faster warm-up to enter closed-loop operation quickly
• Made as a compatible replacement set for gasoline engines

Specifications

Sensor Type: Heated Oxygen Sensor (O2 Sensor)

Application: Gasoline vehicle exhaust system

Package Quantity: 2 Oxygen Sensors

Function: Monitor exhaust oxygen for ECU fuel adjustment and emission control

Construction: High-temperature resistant stainless steel housing

Installation Style: Direct replacement for matching connector applications

Position: Upstream and/or downstream based on vehicle fitment

Item Specifics

Condition: New

Type: Oxygen Sensor

Quantity: 2

Placement on Vehicle: Upstream, Downstream

Material:Metal,Zirconia Ceramic,Plastic

Fitment Type: Direct Replacement

Fuel Type: Gasoline Interchange

Part Number: 234-5029, 234-4238

Other Part Number: 234-5029, 234-4238

Compatible Vehicles (Verify year/make/model before ordering)

FOR HYUNDAI SANTA FE 2010-2016

FOR HYUNDAI SONATA 2009-2015

FOR HYUNDAI TUCSON 2010-2015

FOR KIA FORTE 2010-2013

FOR KIA FORTE5 2012-2013

FOR KIA OPTIMA 2011-2016

FOR KIA RONDO 2009-2012

FOR KIA SORENTO 2011-2015

FOR KIA SPORTAGE 2011-2016

Package Includes

2 x Oxygen Sensors

Important Notes

• Confirm the interchange part number and vehicle information match before purchase
• Compare connector shape and pin layout with your original sensor. Do not install if connectors do not match
• Upstream and downstream sensors are not interchangeable. Do not reverse installation positions
• Professional installation is recommended. Clear fault codes after installation if necessary
• This oxygen sensor set is only for gasoline vehicles, not suitable for diesel engines