HomeEmission Control > SensorsWalker 350-34459 Oxygen Sensor - Upstream, Upstream Front or Upstream Rear
Part #: 350-34459

Walker 350-34459 Oxygen Sensor - Upstream, Upstream Front or Upstream Rear

Walker Products Aftermarket, Upstream Front
65 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$37.83Free 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 Front
Fitment: Chrysler, Dodge, Mitsubishi, Eagle, and Jeep, Sebring, Avenger, Eclipse, Talon, and Grand Cherokee
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 350-34459 Oxygen Sensor

The Walker 350-34459 oxygen sensor is designed for specific vehicle applications including Chrysler, Dodge, Jeep, and Mitsubishi models such as the Avenger, Eclipse, Grand Cherokee, and Sebring. This heated oxygen sensor ensures accurate emissions control and optimal engine performance.

  • Heated sensor type for faster response times
  • Specific fit for select Chrysler, Dodge, Jeep, and Mitsubishi vehicles
  • Threaded mounting type with 18.0 mm thread diameter
  • Four-wire design with 20 gauge wire for reliable signal transmission
  • Radiused polygon female connector for secure electrical connection
  • Overall length of 24.72 inches with a wiring harness length of 21.18 inches

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed OEM specifications. The line emphasizes precise fitment and durability, making it suitable for maintaining factory-level emissions performance in compatible vehicles.

Product Features and Specifications

The Walker 350-34459 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its four-wire configuration supports both the sensor signal and heater circuit, ensuring consistent operation. The radiused polygon female connector is designed for a secure and corrosion-resistant connection, while the threaded mounting type with an 18.0 mm diameter ensures proper installation in the exhaust system.

Common Applications and Problem Resolution

  • Restores accurate air-fuel ratio readings for Chrysler Avenger and Dodge Eclipse models
  • Helps resolve engine performance issues in Jeep Grand Cherokee and Mitsubishi Sebring
  • Reduces emissions by providing precise oxygen level data to the engine control unit
  • Eliminates check engine light triggers related to faulty oxygen sensors
  • Improves fuel economy by maintaining proper combustion efficiency

Installation Notes and Tips

When installing the Walker 350-34459 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Verify the connector matches the radiused polygon female design for a proper fit. It is advisable to disconnect the battery before installation to avoid electrical shorts. After installation, clear any diagnostic trouble codes and perform a test drive to confirm sensor operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 350-34459 part number undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.

BrandWalker
Part Number350-34459
PositionWalker Products Aftermarket, Upstream Front
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length24.72
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length21.18

This part fits 65 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2000ChryslerSebringLXi2.5LV6GASUpstream RearNon California engine, no California engine, upstream position, rear location; Walker Products Aftermarket
2000ChryslerSebringLXi2.5LV6GASUpstream FrontNon-Calif-ESV No Calif-ESV Upstream Front; Walker Products Aftermarket
2000ChryslerSebringLX2.5LV6GASUpstream RearNon California engine, no California engine, upstream position, rear location; Walker Products Aftermarket
2000ChryslerSebringLX2.5LV6GASUpstream FrontNon-Calif-ESV No Calif-ESV Upstream Front; Walker Products Aftermarket
2000ChryslerSebringLXi2.5LV6GASUpstream RearNon Calif-ESV Upstream Rear Oxygen Sensor; Walker Products Aftermarket
2000ChryslerSebringLXi2.5LV6GASUpstream FrontFits non-California emissions vehicles upstream of catalytic converter.; Walker Products Aftermarket
2000ChryslerSebringLX2.5LV6GASUpstream RearNon Calif-ESV Upstream Rear Oxygen Sensor; Walker Products Aftermarket
2000ChryslerSebringLX2.5LV6GASUpstream FrontFits non-California emissions vehicles upstream of catalytic converter.; Walker Products Aftermarket
2000DodgeAvenger2.5LV6GASUpstream RearNon California engine, no California engine, upstream position, rear location; Walker Products Aftermarket
2000DodgeAvenger2.5LV6GASUpstream FrontNon-Calif-ESV No Calif-ESV Upstream Front; Walker Products Aftermarket
2000DodgeAvenger2.5LV6GASUpstream RearNon Calif-ESV Upstream Rear Oxygen Sensor; Walker Products Aftermarket
2000DodgeAvenger2.5LV6GASUpstream FrontFits non-California emissions vehicles upstream of catalytic converter.; Walker Products Aftermarket
1999ChryslerSebringLXi2.5LV6GASUpstream RearNon California engine, no California engine, upstream position, rear location; Walker Products Aftermarket
1999ChryslerSebringLXi2.5LV6GASUpstream FrontNon-Calif-ESV No Calif-ESV Upstream Front; Walker Products Aftermarket
1999ChryslerSebringLX2.5LV6GASUpstream RearNon California engine, no California engine, upstream position, rear location; Walker Products Aftermarket
1999ChryslerSebringLX2.5LV6GASUpstream FrontNon-Calif-ESV No Calif-ESV Upstream Front; Walker Products Aftermarket
1999ChryslerSebring2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1999ChryslerSebring2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1999ChryslerSebringLXi2.5LV6GASUpstream RearNon Calif-ESV Upstream Rear Oxygen Sensor; Walker Products Aftermarket
1999ChryslerSebringLXi2.5LV6GASUpstream FrontFits non-California emissions vehicles upstream of catalytic converter.; Walker Products Aftermarket
1999ChryslerSebringLX2.5LV6GASUpstream RearNon Calif-ESV Upstream Rear Oxygen Sensor; Walker Products Aftermarket
1999ChryslerSebringLX2.5LV6GASUpstream FrontFits non-California emissions vehicles upstream of catalytic converter.; Walker Products Aftermarket
1999DodgeAvenger2.5LV6GASUpstream RearNon California engine, no California engine, upstream position, rear location; Walker Products Aftermarket
1999DodgeAvenger2.5LV6GASUpstream FrontNon-Calif-ESV No Calif-ESV Upstream Front; Walker Products Aftermarket
1999DodgeAvenger2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1999DodgeAvenger2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1999DodgeAvenger2.5LV6GASUpstream RearNon Calif-ESV Upstream Rear Oxygen Sensor; Walker Products Aftermarket
1999DodgeAvenger2.5LV6GASUpstream FrontFits non-California emissions vehicles upstream of catalytic converter.; Walker Products Aftermarket
1999MitsubishiEclipseRS2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1999MitsubishiEclipseGS2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1999MitsubishiEclipseRS2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1999MitsubishiEclipseGS2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1998ChryslerSebringLXi2.5LV6GASUpstream RearNon California engine, no California engine, upstream position, rear location; Walker Products Aftermarket
1998ChryslerSebringLXi2.5LV6GASUpstream FrontNon-Calif-ESV No Calif-ESV Upstream Front; Walker Products Aftermarket
1998ChryslerSebringLX2.5LV6GASUpstream RearNon California engine, no California engine, upstream position, rear location; Walker Products Aftermarket
1998ChryslerSebringLX2.5LV6GASUpstream FrontNon-Calif-ESV No Calif-ESV Upstream Front; Walker Products Aftermarket
1998ChryslerSebring2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1998ChryslerSebring2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1998ChryslerSebringLXi2.5LV6GASUpstream RearNon Calif-ESV Upstream Rear Oxygen Sensor; Walker Products Aftermarket
1998ChryslerSebringLXi2.5LV6GASUpstream FrontFits non-California emissions vehicles upstream of catalytic converter.; Walker Products Aftermarket
1998ChryslerSebringLX2.5LV6GASUpstream RearNon Calif-ESV Upstream Rear Oxygen Sensor; Walker Products Aftermarket
1998ChryslerSebringLX2.5LV6GASUpstream FrontFits non-California emissions vehicles upstream of catalytic converter.; Walker Products Aftermarket
1998DodgeAvenger2.5LV6GASUpstream RearNon California engine, no California engine, upstream position, rear location; Walker Products Aftermarket
1998DodgeAvenger2.5LV6GASUpstream FrontNon-Calif-ESV No Calif-ESV Upstream Front; Walker Products Aftermarket
1998DodgeAvenger2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1998DodgeAvenger2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1998DodgeAvenger2.5LV6GASUpstream RearNon Calif-ESV Upstream Rear Oxygen Sensor; Walker Products Aftermarket
1998DodgeAvenger2.5LV6GASUpstream FrontFits non-California emissions vehicles upstream of catalytic converter.; Walker Products Aftermarket
1998JeepGrand Cherokee4.0LL6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
1998MitsubishiEclipseRS2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1998MitsubishiEclipseGS2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1998MitsubishiEclipseRS2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1998MitsubishiEclipseGS2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1997ChryslerSebring2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1997ChryslerSebring2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1997DodgeAvenger2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1997DodgeAvenger2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1997JeepGrand Cherokee4.0LL6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
1997MitsubishiEclipseRS2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1997MitsubishiEclipseGS2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1997MitsubishiEclipseBase2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1997MitsubishiEclipseRS2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1997MitsubishiEclipseGS2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1997MitsubishiEclipseBase2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1996JeepGrand Cherokee4.0LL6GASUpstreamInstall upstream oxygen sensor for optimal performance.; 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.