HomeEmission Control > SensorsWalker 250-24496 Oxygen Sensor - Upstream Left or Upstream Right
Part #: 250-24496

Walker 250-24496 Oxygen Sensor - Upstream Left or Upstream Right

Walker Products OE, Upstream Left
30 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$61.41Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products OE, Upstream Left
Fitment: Land Rover, Discovery, Freelander, and Range Rover
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 250-24496 Oxygen Sensor for Land Rover

The Walker 250-24496 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 monitoring exhaust gases precisely.

  • Heated oxygen sensor with 4 wires for reliable operation
  • Specific fit for Land Rover Discovery, Freelander, and Range Rover
  • 16.06-inch wiring harness length for proper installation
  • Threaded mounting type with 18.0 mm thread diameter
  • Radiused polygon female connector for secure connection
  • Overall length of 19.61 inches for correct positioning
  • 20 gauge wire for durability and signal integrity

Detailed Features and Specifications

This Walker Products OE oxygen sensor (part number 250-24496) is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. The sensor includes a 16.06-inch wiring harness and four wires, allowing for precise signal transmission. Its 18.0 mm threaded mounting ensures a secure fit in the exhaust system, while the radiused polygon female connector guarantees compatibility with the vehicle’s wiring harness. The overall length of 19.61 inches supports proper placement within the exhaust stream, critical for accurate oxygen level readings.

Walker Products OE Brand Line

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 it matches the exact fit and function required by Land Rover Discovery, Freelander, and Range Rover vehicles. Using a Walker Products OE sensor helps maintain emission standards and engine performance consistent with the original manufacturer’s design.

Common Applications and Problem Solving

  • Restores accurate air-fuel mixture readings for improved engine efficiency
  • Helps resolve check engine light issues related to oxygen sensor faults
  • Reduces emissions by providing precise exhaust gas data
  • Prevents rough idling and poor acceleration caused by faulty sensors
  • Supports proper catalytic converter function by monitoring oxygen levels

Installation Notes and Tips

When installing the Walker 250-24496 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. Connect the radiused polygon female connector securely to the vehicle’s wiring harness, verifying the four-wire configuration matches the original sensor. Proper torque specifications should be followed to avoid damage.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. 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 long-term vehicle operation.

BrandWalker
Part Number250-24496
PositionWalker Products OE, Upstream Left
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length19.61
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length16.06

This part fits 30 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2004Land RoverDiscovery4.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2004Land RoverDiscovery4.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2004Land RoverFreelander2.5LV6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2004Land RoverFreelander2.5LV6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2003Land RoverDiscovery4.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2003Land RoverDiscovery4.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2003Land RoverFreelander2.5LV6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2003Land RoverFreelander2.5LV6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2002Land RoverDiscovery4.0LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2002Land RoverDiscovery4.0LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2002Land RoverFreelander2.5LV6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2002Land RoverFreelander2.5LV6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2002Land RoverRange Rover4.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2002Land RoverRange Rover4.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2001Land RoverDiscovery4.0LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2001Land RoverDiscovery4.0LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2001Land RoverRange Rover4.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2001Land RoverRange Rover4.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2000Land RoverDiscovery4.0LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2000Land RoverDiscovery4.0LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2000Land RoverRange Rover4.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2000Land RoverRange Rover4.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
2000Land RoverRange Rover4.0LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
2000Land RoverRange Rover4.0LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
1999Land RoverDiscoverySeries II4.0LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
1999Land RoverDiscoverySeries II4.0LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
1999Land RoverRange Rover4.6LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
1999Land RoverRange Rover4.6LV8GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
1999Land RoverRange Rover4.0LV8GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
1999Land RoverRange Rover4.0LV8GASUpstream LeftInstall upstream oxygen sensor on the left 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.