HomeEmission Control > SensorsWalker 250-24498 Oxygen Sensor - Downstream Left or Downstream Right
Part #: 250-24498

Walker 250-24498 Oxygen Sensor - Downstream Left or Downstream Right

Walker Products OE, Downstream Left
32 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 Left
Fitment: Land Rover, Freelander, Discovery, and Range Rover
Easy Returns — Return within 60 days for a full refund
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Overview of Walker 250-24498 Oxygen Sensor for Land Rover

The Walker 250-24498 oxygen sensor is designed specifically for Land Rover Discovery, Freelander, and Range Rover models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

  • Heated oxygen sensor with 4-wire design for reliable operation
  • Specific fit for Land Rover Discovery, Freelander, and Range Rover
  • Threaded mounting type with 18.0 mm thread diameter
  • Connector features a radiused polygon shape with male gender
  • Wiring harness length of 20.39 inches and overall length of 23.94 inches
  • Wire gauge measurement of 20 for durability and signal integrity

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-24498) is engineered to meet the exact specifications required by Land Rover vehicles, including Discovery, Freelander, and Range Rover models. The sensor’s heated design allows it to reach operating temperature quickly, improving emissions control during cold starts. Featuring a 4-wire configuration, it provides both the sensor signal and heater power, ensuring consistent performance. The threaded mounting type with an 18.0 mm diameter allows for secure installation in the exhaust system. The connector’s radiused polygon shape and male gender ensure a precise and secure electrical connection. With a wiring harness length of 20.39 inches and an overall length of 23.94 inches, this sensor fits perfectly without modification.

Walker Products OE Brand Line

The Walker Products OE line focuses on delivering original equipment quality parts designed to meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring compatibility and reliability for Land Rover vehicles. Walker Products OE parts are engineered to provide consistent performance and durability, supporting proper emissions control and engine efficiency.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper air-fuel mixture adjustment
  • Helps resolve rough idling and engine hesitation caused by faulty sensors
  • Reduces increased emissions and failed emissions tests
  • Prevents poor fuel economy linked to incorrect sensor readings
  • Eliminates check engine light codes related to oxygen sensor faults

Installation Notes and Tips

Installation requires removal of the old oxygen sensor from the exhaust manifold or pipe. Use an oxygen sensor socket to avoid damage during removal. Ensure the threaded mounting hole is clean before installing the new sensor. Connect the wiring harness securely, matching the radiused polygon connector to the vehicle’s harness. Avoid twisting or stretching the wiring harness to maintain sensor integrity.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for fit, form, and function. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports vehicle reliability.

BrandWalker
Part Number250-24498
PositionWalker Products OE, Downstream Left
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length23.94
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length20.39

This part fits 32 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2005Land RoverFreelander2.5LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2005Land RoverFreelander2.5LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2004Land RoverDiscovery4.6LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2004Land RoverDiscovery4.6LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2004Land RoverFreelander2.5LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2004Land RoverFreelander2.5LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2003Land RoverDiscovery4.6LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2003Land RoverDiscovery4.6LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2003Land RoverFreelander2.5LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2003Land RoverFreelander2.5LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2002Land RoverDiscovery4.0LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2002Land RoverDiscovery4.0LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2002Land RoverFreelander2.5LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2002Land RoverFreelander2.5LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2002Land RoverRange Rover4.6LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2002Land RoverRange Rover4.6LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2001Land RoverDiscovery4.0LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2001Land RoverDiscovery4.0LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2001Land RoverRange Rover4.6LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2001Land RoverRange Rover4.6LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2000Land RoverDiscovery4.0LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2000Land RoverDiscovery4.0LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2000Land RoverRange Rover4.6LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2000Land RoverRange Rover4.6LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2000Land RoverRange Rover4.0LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2000Land RoverRange Rover4.0LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
1999Land RoverDiscoverySeries II4.0LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
1999Land RoverDiscoverySeries II4.0LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
1999Land RoverRange Rover4.6LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
1999Land RoverRange Rover4.6LV8GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
1999Land RoverRange Rover4.0LV8GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
1999Land RoverRange Rover4.0LV8GASDownstream LeftDownstream left oxygen sensor required.; 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.