HomeEmission Control > SensorsWalker 350-34067 Oxygen Sensor - Downstream Left
Part #: 350-34067

Walker 350-34067 Oxygen Sensor - Downstream Left

Walker Products Aftermarket, Downstream Left
6 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products Aftermarket, Downstream Left
Fitment: BMW, X5
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Overview of Walker Oxygen Sensor 350-34067 for BMW X5

The Walker 350-34067 oxygen sensor is designed specifically for BMW X5 models, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure and accurate installation.

  • Heated oxygen sensor with 4-wire configuration
  • Specific fit for BMW X5 vehicles
  • 42.44-inch wiring harness length for flexible installation
  • Threaded mounting with 18.0 mm thread diameter
  • Radiused polygon female connector for reliable connection
  • Wire gauge measurement of 20 for optimal signal transmission
  • Overall length of 45.98 inches

Detailed Product Description

The Walker 350-34067 oxygen sensor is part of the Walker Products Aftermarket line, known for delivering reliable emission control components tailored to specific vehicle applications. This sensor is a heated type, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes two wires for the heating element and two for the sensor signal, ensuring accurate oxygen level readings. The wiring harness length of 42.44 inches provides ample reach for installation in the BMW X5 engine bay, while the 20-gauge wire ensures durability and consistent electrical performance. The sensor’s threaded mounting type with an 18.0 mm diameter allows for secure attachment, and the radiused polygon female connector ensures a precise fit with the vehicle’s wiring harness.

Applications and Common Issues Addressed

  • Helps maintain optimal air-fuel mixture for BMW X5 engines
  • Reduces engine misfires and rough idling caused by faulty sensors
  • Prevents increased emissions and failed emissions tests
  • Improves fuel economy by providing accurate oxygen level data
  • Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 350-34067 oxygen sensor, ensure the engine is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle’s wiring harness before installation. The 42.44-inch wiring harness length allows for flexible routing, but avoid sharp bends or contact with hot engine components. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty

Walker Products Aftermarket components undergo rigorous testing to meet OEM specifications for fit, form, and function. The 350-34067 oxygen sensor is manufactured to provide consistent performance and durability in emission control systems. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to ensure customer confidence in their products.

BrandWalker
Part Number350-34067
PositionWalker Products Aftermarket, Downstream Left
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length45.98
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length42.44

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2006BMWX54.8LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
2006BMWX54.4LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
2005BMWX54.8LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
2005BMWX54.4LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
2004BMWX54.8LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products Aftermarket
2004BMWX54.4LV8GASDownstream LeftDownstream left oxygen sensor required.; 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.