HomeEmission Control > SensorsWalker 350-34347 Oxygen Sensor - Upstream, Upstream Left or Upstream Right
Part #: 350-34347

Walker 350-34347 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Walker Products Aftermarket, Upstream
⚙️ 28 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
📦Walker Products Aftermarket, Upstream
🚗Fitment: Suzuki and Chevrolet, Aerio, Grand Vitara, Tracker, Vitara, and Esteem
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Overview of Walker 350-34347 Oxygen Sensor

The Walker 350-34347 oxygen sensor is designed specifically for select Chevrolet and Suzuki models, including the Esteem, Grand Vitara, Tracker, and Vitara. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

  • Heated sensor type for faster activation
  • Specific fit for Chevrolet Esteem, Suzuki Grand Vitara, Tracker, and Vitara
  • Threaded mounting type with 18.0 mm thread diameter
  • 11.34-inch wiring harness length with 4 wires of 20 gauge
  • Radiused polygon female connector for secure connection
  • Overall length of 14.88 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34347) is engineered to meet the exact specifications of your vehicle’s emission system. Featuring a heated sensor element, it reaches operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor’s 4-wire design includes a dedicated heater circuit, enhancing responsiveness and durability. The 11.34-inch wiring harness and radiused polygon female connector ensure a reliable and secure electrical connection, while the 18.0 mm threaded mounting type allows for straightforward installation in the exhaust system.

Compatible Vehicles and Applications

This oxygen sensor is compatible with specific Chevrolet and Suzuki models, including:

  • Chevrolet Esteem
  • Suzuki Grand Vitara
  • Suzuki Tracker
  • Suzuki Vitara

Using the correct sensor for these vehicles helps maintain proper engine management and emissions compliance.

Common Issues Addressed by This Oxygen Sensor

  • Incorrect air-fuel mixture readings causing poor fuel economy
  • Check engine light triggered by faulty oxygen sensor signals
  • Increased emissions due to sensor failure
  • Engine performance problems such as rough idling or hesitation
  • Failed emissions tests related to sensor malfunction

Installation Notes and Tips

When installing the Walker 350-34347 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the wiring harness length and connector type match your vehicle’s factory setup. Proper torque specifications should be followed to avoid sensor or exhaust system damage. It is recommended to inspect the wiring and connector for corrosion or damage before installation.

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet or exceed OEM standards. The 350-34347 oxygen sensor undergoes rigorous testing to ensure durability and performance under normal operating conditions. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandWalker
Part Number350-34347
PositionWalker Products Aftermarket, Upstream
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length14.88
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length11.34

This part fits 28 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2005SuzukiGrand Vitara2.5LV6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2005SuzukiGrand Vitara2.5LV6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2004ChevroletTracker2.5LV6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2004ChevroletTracker2.5LV6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2004SuzukiGrand Vitara2.5LV6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2004SuzukiGrand Vitara2.5LV6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2004SuzukiVitara2.5LV6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2004SuzukiVitara2.5LV6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2003ChevroletTracker2.5LV6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2003ChevroletTracker2.5LV6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2003SuzukiGrand Vitara2.5LV6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2003SuzukiGrand Vitara2.5LV6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2002ChevroletTracker2.5LV6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2002ChevroletTracker2.5LV6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2002SuzukiEsteem1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2002SuzukiEsteem1.8LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2002SuzukiGrand Vitara2.5LV6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2002SuzukiGrand Vitara2.5LV6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2001ChevroletTracker2.5LV6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2001ChevroletTracker2.5LV6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2001SuzukiEsteem1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2001SuzukiEsteem1.8LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2001SuzukiGrand Vitara2.5LV6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2001SuzukiGrand Vitara2.5LV6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2000SuzukiEsteem1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2000SuzukiEsteem1.8LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1999SuzukiEsteem1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1999SuzukiEsteem1.8LL4GASUpstreamFront 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.