HomeEmission Control > SensorsWalker 350-34209 Oxygen Sensor - Upstream
Part #: 350-34209

Walker 350-34209 Oxygen Sensor - Upstream

Walker Products Aftermarket, Upstream
⚙️ 6 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$40.78Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products Aftermarket, Upstream
🚗Fitment: Hyundai, Grand i10
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 350-34209 Oxygen Sensor

The Walker 350-34209 oxygen sensor is designed for precise emission control in Hyundai and Kia vehicles. Specifically compatible with Hyundai Grand i10 and Kia Seltos models, this sensor helps maintain optimal engine performance and emission standards.

  • Compatible with Hyundai Grand i10 and Kia Seltos
  • Part number 350-34209 for accurate identification
  • Category: Emission Control > Sensors
  • Type: Oxygen Sensor for exhaust gas monitoring
  • Manufactured by Walker, a recognized brand in automotive parts

About Walker Products Aftermarket

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM specifications. This product line focuses on delivering reliable sensors that support vehicle emission systems, ensuring compliance with environmental regulations. The 350-34209 oxygen sensor is part of this line, providing a dependable replacement option for Hyundai and Kia vehicles.

Product Description and Function

The Walker 350-34209 oxygen sensor monitors the oxygen levels in the exhaust gases of Hyundai Grand i10 and Kia Seltos models. By providing real-time data to the engine control unit (ECU), it helps regulate the air-fuel mixture for efficient combustion. This sensor plays a critical role in reducing harmful emissions and improving fuel economy.

Common Applications and Issues Addressed

  • Helps resolve engine performance issues related to incorrect air-fuel mixture
  • Reduces emissions by ensuring proper catalytic converter function
  • Prevents check engine light activation due to faulty oxygen sensor readings
  • Improves fuel efficiency by maintaining optimal combustion
  • Supports compliance with emission regulations for Hyundai Grand i10 and Kia Seltos

Installation Notes and Tips

  • Ensure vehicle compatibility with Hyundai Grand i10 or Kia Seltos before installation
  • Use proper tools to avoid damage to the sensor or exhaust system
  • Follow manufacturer torque specifications when securing the sensor
  • Check for any exhaust leaks after installation to ensure accurate sensor readings
  • Reset the vehicle’s ECU or clear error codes after replacement if necessary

Quality Assurance and Warranty

Walker oxygen sensors, including part number 350-34209, are manufactured to meet industry standards for durability and performance. While specific warranty details are not provided here, Walker Products Aftermarket parts typically come with a limited warranty covering defects in materials and workmanship. Always verify warranty terms with the supplier or manufacturer.

This part fits 6 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersFuel TypePositionNotes
2024KiaSeltosAWD2.0LL4UpstreamOE Replacement
2023KiaSeltosAWD2.0LL4UpstreamOE Replacement
2022KiaSeltosAWD2.0LL4UpstreamOE Replacement
2021KiaSeltosAWD2.0LL4UpstreamOE Replacement
2015HyundaiGrand i101.3LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2015HyundaiGrand i101.3LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.