HomeEmission Control > SensorsWalker 350-35084 Oxygen Sensor - Upstream Left or Upstream Right
Part #: 350-35084

Walker 350-35084 Oxygen Sensor - Upstream Left or Upstream Right

Walker Products Aftermarket, Upstream Left
⚙️ 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 Left
🚗Fitment: INFINITI, Q70, Q70L, QX80, M56, and QX56
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Walker Oxygen Sensor 350-35084

The Walker 350-35084 oxygen sensor is designed specifically for select Infiniti models, including the M56, Q70, Q70L, QX56, and QX80. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

  • Heated oxygen sensor with 5-wire configuration
  • Specific fit for Infiniti M56, Q70, Q70L, QX56, and QX80
  • Threaded mounting type with 18.0 mm thread diameter
  • 16.26 inches wiring harness length and 19.8 inches overall length
  • Radiused polygon male connector for secure connection
  • 20 gauge wire for reliable signal transmission

Detailed Product Features and Specifications

This Walker oxygen sensor (part number 350-35084) features a heated sensor type that allows for faster warm-up times and improved sensor responsiveness. The 5-wire design supports both the sensor element and the heating element, ensuring consistent operation under various engine conditions. The sensor is designed with a threaded mounting type and an 18.0 mm thread diameter, making installation straightforward and secure. The wiring harness length of 16.26 inches and overall length of 19.8 inches provide adequate reach for proper placement within the exhaust system. The radiused polygon male connector ensures a precise and stable electrical connection, reducing the risk of signal loss or corrosion. The 20 gauge wire measurement balances durability and flexibility for long-term use.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on providing reliable emission control components that meet or exceed OEM specifications. This oxygen sensor is part of that line, offering a direct replacement solution tailored to specific vehicle applications. By adhering to strict quality standards, Walker Products Aftermarket ensures compatibility and performance for Infiniti vehicles requiring precise emission sensor functionality.

Common Applications and Problem Resolution

  • Restores accurate air-fuel ratio readings for engine control units
  • Helps resolve check engine light issues related to oxygen sensor faults
  • Improves fuel efficiency by providing correct emissions data
  • Reduces harmful exhaust emissions by maintaining proper combustion
  • Prevents engine performance problems caused by faulty sensor signals

Installation Notes and Tips

When installing the Walker 350-35084 oxygen sensor, ensure the vehicle is compatible with the specific Infiniti models listed. Use appropriate tools to avoid damaging the threaded mounting or connector. Verify the connector's radiused polygon shape and male gender match the vehicle harness for a secure fit. It is recommended to inspect the wiring harness for any damage before installation and to apply anti-seize compound on the threads if necessary to facilitate future removal.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details for part number 350-35084 may vary, Walker typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the supplier for exact warranty terms related to this oxygen sensor.

BrandWalker
Part Number350-35084
PositionWalker Products Aftermarket, Upstream Left
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length19.8
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity5
Wiring Harness Length16.26

This part fits 28 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2015INFINITIQ705.65.6LV8GASUpstream RightTo 07/2014; Al 07/2014; Upstream; Right; Walker Products Aftermarket
2015INFINITIQ705.65.6LV8GASUpstream LeftTo 07/2014; Al 07/2014; Upstream; Left; Walker Products Aftermarket
2015INFINITIQ705.65.6LV8GASUpstream RightTo 07/2014; Upstream; Right; Walker Products Aftermarket
2015INFINITIQ705.65.6LV8GASUpstream LeftTo 07/2014; Upstream; Left; Walker Products Aftermarket
2015INFINITIQ70L5.65.6LV8GASUpstream RightTo 07/2014; Al 07/2014; Upstream; Right; Walker Products Aftermarket
2015INFINITIQ70L5.65.6LV8GASUpstream LeftTo 07/2014; Al 07/2014; Upstream; Left; Walker Products Aftermarket
2015INFINITIQ70L5.65.6LV8GASUpstream RightTo 07/2014; Upstream; Right; Walker Products Aftermarket
2015INFINITIQ70L5.65.6LV8GASUpstream LeftTo 07/2014; Upstream; Left; Walker Products Aftermarket
2015INFINITIQX80Base5.6LV8GASUpstream RightAl 08/2014; Upstream; Right; To 08/2014; Walker Products Aftermarket
2015INFINITIQX80Base5.6LV8GASUpstream LeftAl 08/2014; Upstream; Left; To 08/2014; Walker Products Aftermarket
2015INFINITIQX80Base5.6LV8GASUpstream RightUpstream; Right; To 08/2014; Walker Products Aftermarket
2015INFINITIQX80Base5.6LV8GASUpstream LeftUpstream; Left; To 08/2014; Walker Products Aftermarket
2014INFINITIQ705.65.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2014INFINITIQ705.65.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2014INFINITIQX80Base5.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2014INFINITIQX80Base5.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2013INFINITIM565.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2013INFINITIM565.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2013INFINITIQX565.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2013INFINITIQX565.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2012INFINITIM565.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2012INFINITIM565.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2012INFINITIQX565.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2012INFINITIQX565.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2011INFINITIM565.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2011INFINITIM565.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products Aftermarket
2011INFINITIQX565.6LV8Upstream RightInstall upstream oxygen sensor on the right side.; Walker Products Aftermarket
2011INFINITIQX565.6LV8Upstream LeftInstall upstream oxygen sensor on the left side.; 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.