HomeEmission Control > SensorsWalker 350-34612 Oxygen Sensor - Downstream Right
Part #: 350-34612

Walker 350-34612 Oxygen Sensor - Downstream Right

Walker Products Aftermarket, Downstream Right
⚙️ 2 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, Downstream Right
🚗Fitment: Nissan, Frontier and Xterra
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 350-34612 Oxygen Sensor for Nissan Frontier and Xterra

The Walker 350-34612 oxygen sensor is designed specifically for Nissan Frontier and Xterra models, providing precise emission control and engine performance monitoring. This heated oxygen sensor ensures accurate readings for optimal fuel efficiency and reduced emissions.

  • Heated oxygen sensor with 4-wire configuration
  • Specific fit for Nissan Frontier and Xterra vehicles
  • 31.02-inch wiring harness length for flexible installation
  • Threaded mounting type with 18.0 mm thread diameter
  • Radiused polygon female connector for secure connection
  • Wire gauge measurement of 20 for reliable signal transmission
  • Overall length of 34.57 inches for proper fitment

Detailed Product Features and Specifications

This Walker oxygen sensor (part number 350-34612) is a heated sensor designed to provide fast warm-up times and accurate oxygen level readings. The 4-wire design includes two heater wires and two signal wires, which help maintain sensor temperature and improve response time. The wiring harness length of 31.02 inches allows for convenient routing within the engine bay, while the 20-gauge wire ensures durability and consistent electrical performance.

The sensor features a threaded mounting type with an 18.0 mm thread diameter, making installation straightforward and secure. The connector is a radiused polygon female type, engineered to fit precisely with the vehicle’s wiring harness, reducing the risk of connection issues. With an overall length of 34.57 inches, this sensor is tailored to fit the specific layout of Nissan Frontier and Xterra models.

Walker Products Aftermarket Line

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM specifications. This oxygen sensor is part of their aftermarket line, which focuses on providing reliable, vehicle-specific parts that support emission compliance and engine efficiency. The 350-34612 sensor reflects Walker’s commitment to quality and fitment accuracy within their product range.

Common Applications and Issues Addressed

  • Replacement for faulty or failing oxygen sensors in Nissan Frontier and Xterra
  • Helps resolve engine performance issues related to incorrect air-fuel mixture
  • Reduces emissions by providing accurate oxygen level data to the engine control unit
  • Prevents check engine light triggers caused by sensor malfunctions
  • Improves fuel economy by ensuring proper combustion monitoring

Installation Notes and Tips

When installing the Walker 350-34612 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 harness before installation. Properly route the wiring harness to prevent contact with hot or moving engine parts. 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 for durability and performance. While specific warranty details for part number 350-34612 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship. This ensures confidence in the sensor’s reliability for Nissan Frontier and Xterra applications.

BrandWalker
Part Number350-34612
PositionWalker Products Aftermarket, Downstream Right
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length34.57
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length31.02

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2004NissanFrontier3.3LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products Aftermarket
2004NissanXterra3.3LV6GASDownstream RightInstall downstream oxygen sensor on the right 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.