HomeEmission Control > SensorsWalker 350-64024 Oxygen Sensor - Upstream, Upstream Left or Upstream Right
Part #: 350-64024

Walker 350-64024 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Walker Products Aftermarket, Upstream Left
29 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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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 Left
Fitment: Subaru and Toyota, Outback, Camry, and Solara
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Overview of Walker 350-64024 Oxygen Sensor

The Walker 350-64024 oxygen sensor is designed specifically for select Subaru and Toyota models, including the Outback, Camry, and Solara. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

  • Heated sensor type for faster response times
  • Specific fit for Subaru Outback and Toyota Camry, Solara
  • 18.03-inch wiring harness length with 4 wires
  • 20 gauge wire for reliable signal transmission
  • Radiused polygon male connector for secure connection
  • Threaded mounting with 18.0 mm thread diameter
  • Overall length of 21.57 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-64024) is engineered to meet the exact specifications of your vehicle’s emission system. The heated sensor element allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes a dedicated heater circuit and signal wires, ensuring accurate oxygen level readings. The 18.03-inch wiring harness length and radiused polygon male connector provide a precise and secure fit, minimizing installation issues. Threaded mounting with an 18.0 mm diameter ensures compatibility with the exhaust manifold or pipe on compatible Subaru and Toyota models.

Compatible Vehicles and Applications

This oxygen sensor is compatible with specific Subaru and Toyota vehicles, including:

  • Subaru Outback
  • Toyota Camry
  • Toyota Solara

It is designed to replace the factory oxygen sensor and restore proper emissions control and engine management functions.

Common Issues Addressed by This Oxygen Sensor

  • Check engine light triggered by faulty oxygen sensor readings
  • Poor fuel economy due to incorrect air-fuel mixture
  • Increased emissions and failed emissions tests
  • Engine hesitation or rough idling caused by sensor malfunction
  • Reduced engine performance and drivability problems

Installation Notes and Tips

When installing the Walker 350-64024 oxygen sensor, ensure the vehicle is cool to avoid burns. Use anti-seize compound on the threaded portion if recommended by the vehicle manufacturer. Verify the connector shape and wiring harness length match the original sensor to ensure proper fitment. Tighten the sensor to the specified torque to prevent exhaust leaks.

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet or exceed OEM standards. The 350-64024 oxygen sensor undergoes rigorous testing to ensure durability and reliable performance. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandWalker
Part Number350-64024
PositionWalker Products Aftermarket, Upstream Left
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length21.57
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length18.03

This part fits 29 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2004SubaruOutback3.0LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2004SubaruOutback3.0LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2003SubaruOutback3.0LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2003SubaruOutback3.0LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2003ToyotaCamry2.4LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket
2003ToyotaCamry2.4LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket
2003ToyotaCamry2.4LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products Aftermarket
2003ToyotaSolara2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2003ToyotaSolara2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2002SubaruOutback3.0LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2002SubaruOutback3.0LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2002ToyotaCamry2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2002ToyotaCamry2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2002ToyotaSolara2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2002ToyotaSolara2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2001SubaruOutback3.0LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2001SubaruOutback3.0LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2001ToyotaCamry2.2LL4GASUpstreamCompatible with California-ESV vehicles, Upstream Oxygen Sensor; Walker Products Aftermarket
2001ToyotaCamry2.2LL4CNGUpstreamCompatible with California-ESV vehicles, Upstream Oxygen Sensor; Walker Products Aftermarket
2001ToyotaCamry2.2LL4GASUpstreamCalifornia emissions ESV vehicles oxygen sensor; Walker Products Aftermarket
2001ToyotaCamry2.2LL4CNGUpstreamCalifornia emissions ESV vehicles oxygen sensor; Walker Products Aftermarket
2001ToyotaSolara2.2LL4GASUpstreamCompatible with California-ESV vehicles, Upstream Oxygen Sensor; Walker Products Aftermarket
2001ToyotaSolara2.2LL4GASUpstreamCalifornia emissions ESV vehicles oxygen sensor; Walker Products Aftermarket
2000ToyotaCamry2.2LL4GASUpstreamCompatible with California-ESV vehicles, Upstream Oxygen Sensor; Walker Products Aftermarket
2000ToyotaCamry2.2LL4CNGUpstreamCompatible with California-ESV vehicles, Upstream Oxygen Sensor; Walker Products Aftermarket
2000ToyotaCamry2.2LL4GASUpstreamCalifornia emissions ESV vehicles oxygen sensor; Walker Products Aftermarket
2000ToyotaCamry2.2LL4CNGUpstreamCalifornia emissions ESV vehicles oxygen sensor; Walker Products Aftermarket
2000ToyotaSolara2.2LL4GASUpstreamCompatible with California-ESV vehicles, Upstream Oxygen Sensor; Walker Products Aftermarket
2000ToyotaSolara2.2LL4GASUpstreamCalifornia emissions ESV vehicles oxygen sensor; 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.