HomeEmission Control > SensorsWalker 350-35049 Oxygen Sensor - Upstream
Part #: 350-35049

Walker 350-35049 Oxygen Sensor - Upstream

Walker Products Aftermarket, Upstream
⚙️ 42 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products Aftermarket, Upstream
🚗Fitment: Hyundai and Kia, Tucson and Sportage
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker Oxygen Sensor 350-35049

The Walker 350-35049 oxygen sensor is designed specifically for Hyundai Sportage and Kia Tucson models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

  • Heated sensor type for faster response times
  • Specific fit for Hyundai Sportage and Kia Tucson
  • Threaded mounting type with 18.0 mm thread diameter
  • 25.12 inches wiring harness length with 5 wires of 20 gauge
  • Radiused polygon male connector for secure connection
  • Overall length of 28.66 inches for proper installation

Detailed Product Description

The Walker Products Aftermarket 350-35049 oxygen sensor is engineered to meet the exact specifications of Hyundai Sportage and Kia Tucson vehicles. Featuring a heated sensor element, it provides quicker warm-up times, which helps reduce emissions during cold starts. The sensor includes a 25.12-inch wiring harness with five 20-gauge wires, ensuring reliable electrical connectivity. Its radiused polygon male connector and threaded mounting type with an 18.0 mm diameter allow for a secure and precise fit. The overall length of 28.66 inches supports proper placement within the exhaust system.

Walker Products Aftermarket is a dedicated product line focused on delivering reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, designed to provide consistent performance and durability for specific vehicle applications.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper air-fuel mixture
  • Helps resolve check engine light codes related to O2 sensor failure
  • Improves fuel efficiency by providing correct emissions data
  • Reduces harmful exhaust emissions for compliance with regulations
  • Prevents engine performance issues caused by faulty sensors

Installation Notes and Tips

  • Ensure vehicle compatibility with Hyundai Sportage or Kia Tucson before installation
  • Use proper tools to avoid damaging the 18.0 mm threaded mounting
  • Check connector type and wiring harness length for fitment accuracy
  • Follow manufacturer torque specifications for sensor installation
  • Inspect wiring and connector for damage before installation

Quality Assurance and Warranty

The Walker 350-35049 oxygen sensor is manufactured to meet stringent quality standards for emission control sensors. It undergoes rigorous testing to ensure durability and reliable performance in Hyundai Sportage and Kia Tucson vehicles. While specific warranty details are not provided here, Walker Products Aftermarket parts typically come with a limited warranty covering defects in materials and workmanship.

BrandWalker
Part Number350-35049
PositionWalker Products Aftermarket, Upstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length28.66
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity5
Wiring Harness Length25.12

This part fits 42 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersFuel TypePositionNotes
2013HyundaiTucsonManual2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2013HyundaiTucsonAutomatic2.4LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket
2013HyundaiTucson2.0LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket
2013HyundaiTucsonManual2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2013HyundaiTucsonAutomatic2.4LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket
2013HyundaiTucson2.0LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket
2013HyundaiTucsonAutomatic2.4LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products Aftermarket
2013HyundaiTucson2.0LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products Aftermarket
2013KiaSportageManual2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2013KiaSportageAutomatic2.4LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket
2013KiaSportageManual2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2013KiaSportageAutomatic2.4LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket
2013KiaSportageAutomatic2.4LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products Aftermarket
2012HyundaiTucsonAutomatic2.4LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket
2012HyundaiTucson2.0LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket
2012HyundaiTucsonAutomatic2.4LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket
2012HyundaiTucson2.0LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket
2012HyundaiTucsonAutomatic2.4LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products Aftermarket
2012HyundaiTucson2.0LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products Aftermarket
2012KiaSportageManual2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2012KiaSportageAutomatic2.4LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket
2012KiaSportageManual2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2012KiaSportageAutomatic2.4LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket
2012KiaSportageAutomatic2.4LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products Aftermarket
2011HyundaiTucsonManual2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2011HyundaiTucsonAutomatic2.4LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket
2011HyundaiTucson2.0LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket
2011HyundaiTucsonManual2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2011HyundaiTucsonAutomatic2.4LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket
2011HyundaiTucson2.0LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket
2011HyundaiTucsonAutomatic2.4LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products Aftermarket
2011HyundaiTucson2.0LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products Aftermarket
2011KiaSportageManual2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2011KiaSportageAutomatic2.4LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket
2011KiaSportageManual2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2011KiaSportageAutomatic2.4LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket
2011KiaSportageAutomatic2.4LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products Aftermarket
2010HyundaiTucsonManual2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2010HyundaiTucsonAutomatic2.4LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket
2010HyundaiTucsonManual2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2010HyundaiTucsonAutomatic2.4LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket
2010HyundaiTucsonAutomatic2.4LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; 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.