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Walker
Walker Products AftermarketWalker 350-34081 Oxygen Sensor - Downstream
| Brand | Walker 350-34081 |
|---|---|
| Position | Downstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 25.71 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 22 |
| Wire Quantity | 4 |
| Wiring Harness Length | 22.17 |
| Product line | Walker Products Aftermarket |
| Fits | Hyundai and Kia · 118 vehicles |
OE replacement. Engineered as a direct-fit oxygen sensor for the specific application.
Heated sensor. Delivers fast diagnostic feedback to the ECU.
Threaded mount. Installs with a secure, threaded connection.
$64.10Free shipping
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Walker 350-34081 Oxygen Sensor for Hyundai and Kia
Walker Products 350-34081 is a heated oxygen sensor built as a specific-fit OE replacement for select Hyundai and Kia applications. It is engineered to deliver the diagnostic feedback the ECU expects, helping maintain proper fuel control and emissions performance.
Walker Products Aftermarket focuses on engine management and oxygen/air-fuel sensors for exact application fitment. For drivers servicing a Hyundai Elantra, Kia Forte, or Kia Sportage, this sensor is matched to the listed position and connector style for straightforward replacement.
Key Features
- Heated oxygen sensor for faster operating response
- Specific-fit design for the listed vehicle applications
- Threaded mounting with 18.0 mm thread diameter
- 4-wire configuration with male connector
- Wiring harness length: 22.17 in.
- Overall length: 25.71 in.
- Radiused polygon connector shape
- Walker Products part number 350-34081
Detailed Description
Walker 350-34081 is an emissions control sensor designed for downstream and upstream positions where listed. It is built to replace the original oxygen sensor on specific Hyundai and Kia models, including applications such as the Hyundai Elantra, Hyundai Tucson, Kia Forte, Kia Optima, Kia Seltos, and Kia Sportage. The sensor is manufactured for the correct fitment position and ECU feedback requirements, which is important for vehicles that monitor sensor performance through stored fault codes.
When an oxygen sensor begins to fail, the engine may run poorly, fuel consumption can increase, exhaust emissions can rise, and the malfunction indicator light may illuminate. This part number, 350-34081, is intended for those exact service scenarios where the original sensor has reached the end of its service life.
This part cross-references no listed aftermarket part numbers in the provided data.
What It Helps Address
- Check engine light related to oxygen sensor performance
- Rough engine operation caused by incorrect air-fuel feedback
- Higher fuel consumption from inaccurate exhaust readings
- Increased exhaust emissions from a failing sensor
- Fault codes stored in the ECU for the affected sensor circuit
Installation Notes and Tips
Confirm the vehicle year, make, model, and sensor position before ordering. This Walker oxygen sensor is a specific-fit threaded unit, so the connector style, wire count, and mounting location should match the original part. Inspect the sensor wiring harness and connector for damage during replacement, since physical wear can shorten sensor life and affect operation.
Fitment includes select 2011-2024 Hyundai and Kia applications, such as 2021-2024 Kia Forte downstream, 2021-2024 Kia Seltos upstream, 2017-2022 Kia Sportage downstream, 2018-2021 Hyundai Kona downstream, 2019-2021 Hyundai Tucson downstream, and 2016-2019 Hyundai Sonata downstream. Additional coverage includes Hyundai Elantra, Elantra Coupe, Elantra GT, Creta, and Kia Optima, Forte Koup, Forte5, and Forte applications in the listed positions.
Quality Assurance
Walker Products has manufactured engine management and oxygen sensor components since 1946 and operates as an Automotive ISO9001/TS 16949 certified company. The 350-34081 is built as an OE replacement for the specified application and position, with fitment and diagnostic feedback aligned to the vehicle’s ECU requirements.
This part fits 118 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Drive Type | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | Kia | Forte | — | — | — | 2.0L | L4 | — | Downstream | OE Replacement |
| 2024 | Kia | Seltos | — | FWD | — | 2.0L | L4 | — | Upstream | OE Replacement |
| 2023 | Kia | Forte | — | — | — | 2.0L | L4 | — | Downstream | OE Replacement |
| 2023 | Kia | Seltos | — | FWD | — | 2.0L | L4 | — | Upstream | OE Replacement |
| 2022 | Kia | Forte | — | — | — | 2.0L | L4 | — | Downstream | OE Replacement |
| 2022 | Kia | Seltos | — | FWD | — | 2.0L | L4 | — | Upstream | OE Replacement |
| 2022 | Kia | Sportage | — | — | — | 2.0L | L4 | — | Downstream | OE Replacement |
| 2021 | Hyundai | Kona | — | — | — | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2021 | Hyundai | Tucson | — | FWD | — | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2021 | Kia | Forte | — | — | — | 2.0L | L4 | — | Downstream | OE Replacement |
| 2021 | Kia | Seltos | — | FWD | — | 2.0L | L4 | — | Upstream | OE Replacement |
| 2021 | Kia | Sportage | — | — | — | 2.0L | L4 | — | Downstream | OE Replacement |
| 2020 | Hyundai | Elantra | Value Edition | — | — | 2.0L | L4 | GAS | Downstream | To 04/15/2019; B1S2; Al 04/15/2019; Downstream; Walker Products Aftermarket |
| 2020 | Hyundai | Elantra | SEL | — | — | 2.0L | L4 | GAS | Downstream | To 04/15/2019; B1S2; Al 04/15/2019; Downstream; Walker Products Aftermarket |
| 2020 | Hyundai | Elantra | SE | — | — | 2.0L | L4 | GAS | Downstream | To 04/15/2019; B1S2; Al 04/15/2019; Downstream; Walker Products Aftermarket |
| 2020 | Hyundai | Elantra | Limited | — | — | 2.0L | L4 | GAS | Downstream | To 04/15/2019; B1S2; Al 04/15/2019; Downstream; Walker Products Aftermarket |
| 2020 | Hyundai | Elantra | Value Edition | — | — | 2.0L | L4 | GAS | Downstream | To 04/15/2019; Al 04/15/2019; Downstream; B1S2; Walker Products Aftermarket |
| 2020 | Hyundai | Elantra | SEL | — | — | 2.0L | L4 | GAS | Downstream | To 04/15/2019; Al 04/15/2019; Downstream; B1S2; Walker Products Aftermarket |
| 2020 | Hyundai | Elantra | SE | — | — | 2.0L | L4 | GAS | Downstream | To 04/15/2019; Al 04/15/2019; Downstream; B1S2; Walker Products Aftermarket |
| 2020 | Hyundai | Elantra | Limited | — | — | 2.0L | L4 | GAS | Downstream | To 04/15/2019; Al 04/15/2019; Downstream; B1S2; Walker Products Aftermarket |
| 2020 | Hyundai | Elantra | Value Edition | — | — | 2.0L | L4 | GAS | Downstream | To 04/15/2019; B1S2; Downstream; Walker Products Aftermarket |
| 2020 | Hyundai | Elantra | SEL | — | — | 2.0L | L4 | GAS | Downstream | To 04/15/2019; B1S2; Downstream; Walker Products Aftermarket |
| 2020 | Hyundai | Elantra | SE | — | — | 2.0L | L4 | GAS | Downstream | To 04/15/2019; B1S2; Downstream; Walker Products Aftermarket |
| 2020 | Hyundai | Elantra | Limited | — | — | 2.0L | L4 | GAS | Downstream | To 04/15/2019; B1S2; Downstream; Walker Products Aftermarket |
| 2020 | Hyundai | Kona | — | — | — | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2020 | Hyundai | Tucson | — | FWD | — | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2020 | Kia | Forte | LXS | — | — | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket |
| 2020 | Kia | Forte | GT-Line | — | — | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket |
| 2020 | Kia | Forte | FE | — | — | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket |
| 2020 | Kia | Forte | EX | — | — | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket |
| 2020 | Kia | Optima | Plug-In Hybrid EX | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2020 | Kia | Optima | Hybrid EX | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2020 | Kia | Sportage | — | — | — | 2.0L | L4 | — | Downstream | OE Replacement |
| 2019 | Hyundai | Kona | — | — | — | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2019 | Hyundai | Sonata | Plug-In Hybrid | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2019 | Hyundai | Sonata | Plug-In Hybrid Limited | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2019 | Hyundai | Sonata | Hybrid SE | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2019 | Hyundai | Sonata | Hybrid Limited | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2019 | Hyundai | Tucson | — | FWD | — | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2019 | Kia | Forte | S | — | — | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket |
| 2019 | Kia | Forte | LXS | — | — | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket |
| 2019 | Kia | Forte | FE | — | — | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket |
| 2019 | Kia | Forte | EX | — | — | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket |
| 2019 | Kia | Optima | Plug-In Hybrid EX | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2019 | Kia | Optima | Hybrid EX | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2019 | Kia | Sportage | — | — | — | 2.0L | L4 | — | Downstream | OE Replacement |
| 2018 | Hyundai | Creta | — | — | Automatic | 1.6L | L4 | — | Upstream | To 05/07/2018; OE Replacement |
| 2018 | Hyundai | Kona | — | — | — | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2018 | Hyundai | Sonata | Plug-In Hybrid | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2018 | Hyundai | Sonata | Plug-In Hybrid Limited | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2018 | Hyundai | Sonata | Hybrid SE | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2018 | Hyundai | Sonata | Hybrid Limited | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2018 | Hyundai | Tucson | — | — | — | 2.0L | L4 | — | Downstream | OE Replacement |
| 2018 | Kia | Optima | Plug-In Hybrid EX | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2018 | Kia | Optima | Hybrid Premium | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2018 | Kia | Optima | Hybrid EX | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2018 | Kia | Sportage | — | — | — | 2.0L | L4 | — | Downstream | OE Replacement |
| 2017 | Hyundai | Creta | — | — | — | 1.6L | L4 | — | Upstream | OE Replacement |
| 2017 | Hyundai | Elantra | — | — | — | 2.0L | L4 | — | Upstream | OE Replacement |
| 2017 | Hyundai | Sonata | Plug-In Hybrid | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2017 | Hyundai | Sonata | Plug-In Hybrid Limited | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2017 | Hyundai | Sonata | Hybrid SE | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2017 | Hyundai | Sonata | Hybrid Limited | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2017 | Kia | Optima | — | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2017 | Kia | Sportage | — | — | — | 2.0L | L4 | — | Downstream | OE Replacement |
| 2016 | Hyundai | Elantra | Sport | — | — | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2016 | Hyundai | Elantra | Value Edition | — | — | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2016 | Hyundai | Elantra | SE | — | — | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2016 | Hyundai | Elantra | Limited | — | — | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2016 | Hyundai | Elantra | — | — | — | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2016 | Hyundai | Sonata | Plug-In Hybrid | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2016 | Hyundai | Sonata | Plug-In Hybrid Limited | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2016 | Hyundai | Sonata | Hybrid | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2016 | Hyundai | Sonata | Hybrid Limited | — | — | 2.0L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2016 | Kia | Forte | EX | — | — | 2.0L | L4 | GAS | Downstream | Calif ESV; B1S2; Downstream; Walker Products Aftermarket |
| 2016 | Kia | Forte | LX | — | — | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2016 | Kia | Forte | EX | — | — | 2.0L | L4 | GAS | Downstream | Calif ESV; Downstream; B1S2; Walker Products Aftermarket |
| 2016 | Kia | Forte Koup | EX | — | Automatic | 2.0L | L4 | GAS | Downstream | Calif ESV; B1S2; Downstream; Walker Products Aftermarket |
| 2016 | Kia | Forte Koup | EX | — | Automatic | 2.0L | L4 | GAS | Downstream | Calif ESV; Downstream; B1S2; Walker Products Aftermarket |
| 2016 | Kia | Forte5 | LX | — | Automatic | 2.0L | L4 | GAS | Downstream | Calif ESV; B1S2; Downstream; Walker Products Aftermarket |
| 2016 | Kia | Forte5 | EX | — | Automatic | 2.0L | L4 | GAS | Downstream | Calif ESV; B1S2; Downstream; Walker Products Aftermarket |
| 2016 | Kia | Forte5 | LX | — | Automatic | 2.0L | L4 | GAS | Downstream | Calif ESV; Downstream; B1S2; Walker Products Aftermarket |
| 2016 | Kia | Forte5 | EX | — | Automatic | 2.0L | L4 | GAS | Downstream | Calif ESV; Downstream; B1S2; Walker Products Aftermarket |
| 2015 | Hyundai | Elantra | Sport | — | — | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2015 | Hyundai | Elantra | SE | — | — | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2015 | Hyundai | Elantra | Limited | — | — | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2015 | Hyundai | Elantra | — | — | — | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2015 | Kia | Forte | EX | — | — | 2.0L | L4 | GAS | Downstream | Calif ESV; B1S2; Downstream; Walker Products Aftermarket |
| 2015 | Kia | Forte | LX | — | — | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2015 | Kia | Forte | EX | — | — | 2.0L | L4 | GAS | Downstream | Calif ESV; Downstream; B1S2; Walker Products Aftermarket |
| 2015 | Kia | Forte Koup | EX | — | Automatic | 2.0L | L4 | GAS | Downstream | Calif ESV; B1S2; Downstream; Walker Products Aftermarket |
| 2015 | Kia | Forte Koup | EX | — | Automatic | 2.0L | L4 | GAS | Downstream | Calif ESV; Downstream; B1S2; Walker Products Aftermarket |
| 2015 | Kia | Forte5 | EX | — | Automatic | 2.0L | L4 | GAS | Downstream | Calif ESV; B1S2; Downstream; Walker Products Aftermarket |
| 2015 | Kia | Forte5 | EX | — | Automatic | 2.0L | L4 | GAS | Downstream | Calif ESV; Downstream; B1S2; Walker Products Aftermarket |
| 2014 | Hyundai | Elantra | — | — | — | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 2014 | Hyundai | Elantra | — | — | — | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2014 | Hyundai | Elantra | — | — | — | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 2014 | Hyundai | Elantra Coupe | — | — | — | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 2014 | Hyundai | Elantra Coupe | — | — | — | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 2014 | Hyundai | Elantra GT | — | — | — | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 2014 | Hyundai | Elantra GT | — | — | — | 2.0L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 2014 | Kia | Forte | EX | — | — | 2.0L | L4 | GAS | Downstream | Calif ESV; B1S2; Downstream; Walker Products Aftermarket |
| 2014 | Kia | Forte | LX | — | — | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2014 | Kia | Forte | EX | — | — | 2.0L | L4 | GAS | Downstream | Calif ESV; Downstream; B1S2; Walker Products Aftermarket |
| 2014 | Kia | Forte Koup | EX | — | Automatic | 2.0L | L4 | GAS | Downstream | Calif ESV; B1S2; Downstream; Walker Products Aftermarket |
| 2014 | Kia | Forte Koup | EX | — | Automatic | 2.0L | L4 | GAS | Downstream | Calif ESV; Downstream; B1S2; Walker Products Aftermarket |
| 2014 | Kia | Forte5 | — | — | — | 2.0L | L4 | — | Upstream Right | B1S2; OE Replacement |
| 2013 | Hyundai | Elantra | — | — | — | 1.8L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 2013 | Hyundai | Elantra | — | — | — | 1.8L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 2013 | Hyundai | Elantra Coupe | — | — | — | 1.8L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 2013 | Hyundai | Elantra Coupe | — | — | — | 1.8L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 2013 | Hyundai | Elantra GT | — | — | — | 1.8L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 2013 | Hyundai | Elantra GT | — | — | — | 1.8L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 2012 | Hyundai | Elantra | — | — | — | 1.8L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 2012 | Hyundai | Elantra | — | — | — | 1.8L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
| 2011 | Dodge | Attitude | — | — | — | 1.6L | L4 | — | N/A | OE Replacement |
| 2011 | Hyundai | Elantra | — | — | — | 1.8L | L4 | GAS | Downstream | Downstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket |
| 2011 | Hyundai | Elantra | — | — | — | 1.8L | L4 | GAS | Downstream | Downstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket |
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