HomeEmission Control > SensorsWalker 350-35124 Oxygen Sensor - Upstream, Upstream Left or Upstream Right
Part #: 350-35124

Walker 350-35124 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

OE Replacement, Upstream, Upstream Right, and Upstream Left
⚙️ 20 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Replacement, Upstream, Upstream Right, and Upstream Left
🚗Fitment: Mitsubishi, Montero, Outlander, and Outlander PHEV
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Oxygen Sensor for Mitsubishi Montero and Outlander Models

The Walker 350-35124 oxygen sensor is designed to provide accurate emissions monitoring for select Mitsubishi vehicles. This sensor helps maintain optimal engine performance and emission control for the Montero, Outlander, and Outlander PHEV models.

  • Compatible with Mitsubishi Montero, Outlander, and Outlander PHEV
  • Walker Products Aftermarket quality and reliability
  • Part number 350-35124 for precise fitment
  • Essential component for emission control systems
  • Ensures accurate oxygen level readings for engine management

Product Overview and Brand Line Information

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing dependable replacement parts for emission control systems. Walker Products Aftermarket parts are engineered to meet or exceed OEM specifications, ensuring proper fit and function. The 350-35124 oxygen sensor is manufactured to deliver consistent performance and durability for Mitsubishi vehicles requiring precise emissions monitoring.

Function and Application

The Walker 350-35124 oxygen sensor plays a critical role in monitoring the oxygen content in the exhaust gases of Mitsubishi Montero, Outlander, and Outlander PHEV models. By providing real-time data to the engine control unit (ECU), it helps optimize fuel mixture and reduce harmful emissions.

  • Helps correct engine fuel mixture for efficient combustion
  • Reduces emissions by monitoring exhaust oxygen levels
  • Prevents engine performance issues related to faulty sensors
  • Supports compliance with emission regulations
  • Improves fuel economy by enabling accurate air-fuel ratio adjustments

Installation Notes and Tips

When replacing the oxygen sensor on Mitsubishi Montero or Outlander vehicles, ensure the engine is cool before beginning installation. Use appropriate tools to avoid damaging the sensor or exhaust components. Verify the part number 350-35124 matches the original sensor to ensure compatibility. Proper installation will help maintain accurate sensor readings and engine performance.

Quality Assurance and Warranty

Walker Products Aftermarket parts, including the 350-35124 oxygen sensor, are manufactured to meet industry standards for quality and durability. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Using this sensor supports maintaining your vehicle’s emission control system within factory specifications.

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2022MitsubishiOutlander2.4LL4UpstreamOE Replacement
2022MitsubishiOutlander PHEV2.4LL4UpstreamOE Replacement
2021MitsubishiOutlander2.4LL4UpstreamOE Replacement
2021MitsubishiOutlander PHEV2.4LL4UpstreamOE Replacement
2020MitsubishiOutlander2.4LL4GASUpstreamB1S1; OE Replacement
2020MitsubishiOutlander PHEV2.0LL4UpstreamOE Replacement
2019MitsubishiOutlander2.4LL4GASUpstreamB1S1; OE Replacement
2019MitsubishiOutlander PHEV2.0LL4UpstreamOE Replacement
2018MitsubishiOutlander2.4LL4GASUpstreamB1S1; OE Replacement
2018MitsubishiOutlander PHEV2.0LL4UpstreamOE Replacement
2017MitsubishiOutlander2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2017MitsubishiOutlander2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2016MitsubishiMontero3.8LV6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2016MitsubishiMontero3.8LV6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2016MitsubishiOutlander2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2016MitsubishiOutlander2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2015MitsubishiOutlander2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2015MitsubishiOutlander2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2014MitsubishiOutlander2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2014MitsubishiOutlander2.4LL4GASUpstreamFront 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.