HomeEmission Control > SensorsWalker 250-24632 Oxygen Sensor - Downstream, Downstream Left or Downstream Right
Part #: 250-24632

Walker 250-24632 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Walker Products OE, Downstream Left
13 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 OE, Downstream Left
Fitment: Nissan, Frontier, Xterra, and Pickup
Easy Returns — Return within 60 days for a full refund
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Overview of Walker 250-24632 Oxygen Sensor for Nissan Vehicles

The Walker 250-24632 oxygen sensor is designed specifically for Nissan Frontier, Pickup, and Xterra models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases and providing real-time feedback to the engine control unit.

  • Heated oxygen sensor with 4-wire design for precise readings
  • Specific fit for Nissan Frontier, Pickup, and Xterra
  • 43.43-inch wiring harness length with 20-gauge wire
  • Threaded mounting type with 18.0 mm thread diameter
  • Radiused polygon male connector for secure connection
  • Overall length of 46.97 inches for proper installation

Detailed Features and Specifications

This Walker oxygen sensor (part number 250-24632) features a heated sensor type that allows for faster warm-up times and improved accuracy in emissions monitoring. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring reliable operation under various driving conditions. The wiring harness length of 43.43 inches and 20-gauge wire gauge measurement provide durability and flexibility during installation. The sensor’s threaded mounting type with an 18.0 mm thread diameter allows for a secure fit in the exhaust system. Additionally, the radiused polygon male connector ensures a precise and stable electrical connection, reducing the risk of signal loss or corrosion.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor is engineered to match the exact fit and function required by Nissan Frontier, Pickup, and Xterra models, providing consistent performance and emissions compliance. Choosing a Walker Products OE sensor helps maintain factory-level standards for your vehicle’s emission control system.

Common Applications and Problem Resolution

  • Restores accurate oxygen sensing for improved fuel efficiency
  • Resolves check engine light issues related to oxygen sensor faults
  • Helps reduce harmful emissions by providing precise exhaust gas data
  • Prevents engine performance problems caused by faulty sensor readings
  • Supports proper catalytic converter operation and longevity

Installation Notes and Tips

When installing the Walker 250-24632 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Carefully connect the radiused polygon male connector to the vehicle’s wiring harness, verifying a secure fit. Follow the Nissan-specific torque specifications to avoid damage to the sensor or exhaust components.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards and undergo rigorous testing to ensure durability and accuracy. This part number 250-24632 is backed by Walker’s quality assurance protocols, providing confidence in its performance and reliability. Please refer to Walker’s official documentation for warranty details applicable to this oxygen sensor.

BrandWalker
Part Number250-24632
PositionWalker Products OE, Downstream Left
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length46.97
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length43.43

This part fits 13 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersFuel TypePositionNotes
2003NissanFrontier3.3LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2003NissanXterra3.3LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2002NissanXterra3.3LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2001NissanXterra3.3LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2000NissanFrontierManual3.3LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2000NissanFrontierManual3.3LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2000NissanFrontierAutomatic3.3LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2000NissanXterra3.3LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
1999NissanFrontier3.3LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
1997NissanPickup2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
1996NissanPickup2.4LL4GASDownstreamFrom 1/96; B1S2; Del 1/96; Downstream; Walker Products OE
1996NissanPickup2.4LL4GASDownstreamFrom 1/96; Del 1/96; Downstream; B1S2; Walker Products OE
1996NissanPickup2.4LL4GASDownstreamFrom 1/96; B1S2; Downstream; 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.