HomeEmission Control > SensorsWalker 250-24868 Oxygen Sensor - Downstream Right
Part #: 250-24868

Walker 250-24868 Oxygen Sensor - Downstream Right

Walker Products OE, Downstream Right
2 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 OE, Downstream Right
Fitment: Nissan, Frontier and Xterra
Easy Returns — Return within 60 days for a full refund
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Overview of Walker 250-24868 Oxygen Sensor for Nissan Frontier and Xterra

The Walker Products OE 250-24868 oxygen sensor is designed specifically for Nissan Frontier and Xterra models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

  • Heated oxygen sensor with 4-wire design for reliable operation
  • 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 durability and signal integrity
  • Overall length of 34.57 inches to accommodate vehicle design

Detailed Features and Specifications

This Walker 250-24868 oxygen sensor features a heated sensor type that allows for faster warm-up times and improved emissions control. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The wiring harness length of 31.02 inches provides sufficient reach for installation in Nissan Frontier and Xterra exhaust systems. The sensor’s threaded mounting type with an 18.0 mm diameter allows for secure and precise placement. The radiused polygon female connector is designed to match the factory wiring harness, reducing installation complexity. With a wire gauge of 20, the sensor wiring maintains signal quality and durability under typical operating conditions.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring compatibility and performance tailored to Nissan Frontier and Xterra vehicles. Walker Products OE parts are engineered to provide reliable emissions control solutions that integrate seamlessly with vehicle systems.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper air-fuel mixture control
  • Resolves check engine light triggers related to oxygen sensor faults
  • Improves fuel efficiency by providing precise exhaust gas data
  • Reduces harmful emissions by maintaining proper catalytic converter function
  • Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Walker 250-24868 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the radiused polygon female connector matches the factory harness for a secure fit. Thread the sensor carefully into the exhaust port to the specified torque to prevent leaks or damage. Verify wiring connections and sensor operation after installation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 250-24868 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to ensure long-term reliability in Nissan Frontier and Xterra applications.

BrandWalker
Part Number250-24868
PositionWalker Products OE, 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 OE
2004NissanXterra3.3LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE

* 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.