HomeEmission Control > SensorsWalker 350-34115 Oxygen Sensor - Downstream Left or Downstream Right
Part #: 350-34115

Walker 350-34115 Oxygen Sensor - Downstream Left or Downstream Right

Walker Products Aftermarket, Downstream Right
8 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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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products Aftermarket, Downstream Right
Fitment: Nissan, Sentra
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 350-34115 Oxygen Sensor for Nissan Sentra

The Walker 350-34115 oxygen sensor is designed specifically for Nissan Sentra 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 design for reliable operation
  • Specific fit for Nissan Sentra vehicles
  • 28.27-inch wiring harness length for flexible installation
  • Threaded mounting type with 18.0 mm thread diameter
  • Radiused polygon male connector for secure electrical connection
  • Wire gauge measurement of 20 for durability and signal integrity
  • Overall length of 31.81 inches to accommodate engine bay layout

Detailed Product Features and Specifications

This Walker oxygen sensor (part number 350-34115) features a heated sensor element that allows for faster warm-up times and more accurate oxygen level readings. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance under various operating conditions. The wiring harness length of 28.27 inches provides sufficient reach for installation in the Nissan Sentra engine compartment, while the 20-gauge wire ensures durability and resistance to electrical interference.

The sensor’s threaded mounting type with an 18.0 mm diameter allows for secure attachment to the exhaust system. Its radiused polygon male connector is designed for a precise fit, reducing the risk of connection issues. With an overall length of 31.81 inches, this sensor is engineered to fit the specific layout of Nissan Sentra models, ensuring compatibility and ease of installation.

Walker Products Aftermarket Line

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM specifications. This product line focuses on delivering reliable, vehicle-specific parts such as oxygen sensors that maintain proper engine function and emissions compliance. The 350-34115 oxygen sensor is part of this line, providing Nissan Sentra owners with a sensor engineered for exact fitment and dependable performance.

Common Applications and Issues Addressed

  • Restores accurate air-fuel mixture readings for improved engine efficiency
  • Helps resolve check engine light triggers related to oxygen sensor faults
  • Reduces emissions by ensuring proper catalytic converter operation
  • Prevents rough idling and poor acceleration caused by faulty sensors
  • Supports fuel economy by maintaining optimal combustion conditions

Installation Notes and Tips

When installing the Walker 350-34115 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 exhaust components or moving 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, ensuring durability and reliable performance. While specific warranty details for part number 350-34115 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Nissan Sentra vehicles.

BrandWalker
Part Number350-34115
PositionWalker Products Aftermarket, Downstream Right
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length31.81
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length28.27

This part fits 8 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2002NissanSentraXE1.8LL4GASDownstream RightExc. CA Series; Excluye Serie CA; Downstream; Right; Walker Products Aftermarket
2002NissanSentraGXE1.8LL4GASDownstream RightExc. CA Series; Excluye Serie CA; Downstream; Right; Walker Products Aftermarket
2002NissanSentraXE1.8LL4GASDownstream RightExc. CA Series; Downstream; Right; Walker Products Aftermarket
2002NissanSentraGXE1.8LL4GASDownstream RightExc. CA Series; Downstream; Right; Walker Products Aftermarket
2001NissanSentraXE1.8LL4GASDownstream LeftExcl. CA Series, w/ Mid Year Emissions; Downstream; Left; Walker Products Aftermarket
2001NissanSentraGXE1.8LL4GASDownstream LeftExcl. CA Series, w/ Mid Year Emissions; Downstream; Left; Walker Products Aftermarket
2001NissanSentraXE1.8LL4GASDownstream LeftExc.CA Series, w/ Mid Year Emissions; Downstream; Left; Walker Products Aftermarket
2001NissanSentraGXE1.8LL4GASDownstream LeftExc.CA Series, w/ Mid Year Emissions; Downstream; Left; 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.