HomeEmission Control > SensorsWalker 250-24423 Oxygen Sensor
Part #: 250-24423

Walker 250-24423 Oxygen Sensor

Walker Products OE, Upstream Right, Upstream Left, Downstream Right, and Downstream Left
14 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, Upstream Right, Upstream Left, Downstream Right, and Downstream Left
Fitment: Porsche, Boxster
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Overview of Walker 250-24423 Oxygen Sensor for Porsche Boxster

The Walker Products OE 250-24423 oxygen sensor is designed specifically for Porsche Boxster models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure and accurate installation.

  • Heated oxygen sensor with 4-wire configuration
  • Specific fit for Porsche Boxster vehicles
  • 7.8-inch wiring harness length for flexible installation
  • 20-gauge wire for reliable signal transmission
  • Threaded mounting with 18.0 mm thread diameter
  • Radiused polygon female connector for secure connection
  • Overall sensor length of 11.34 inches

Detailed Product Features and Specifications

This Walker 250-24423 oxygen sensor is engineered with a heated sensor type, which allows for faster warm-up times and improved emission readings under various operating conditions. The sensor includes a 7.8-inch wiring harness and uses 20-gauge wire to maintain signal integrity. Its 4-wire design supports both the sensor signal and heater circuit, essential for accurate oxygen level detection and efficient engine management.

The sensor’s threaded mounting type with an 18.0 mm thread diameter ensures a secure fit in the exhaust system. The radiused polygon female connector provides a precise and reliable electrical connection, reducing the risk of disconnection or signal loss. With an overall length of 11.34 inches, this sensor is designed to fit seamlessly within the exhaust assembly of Porsche Boxster models.

Walker Products OE Brand Line

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor is part of that line, offering a direct replacement solution engineered to maintain factory performance and emissions standards for Porsche Boxster vehicles. Choosing Walker Products OE ensures compatibility and durability aligned with the vehicle’s original design.

Common Applications and Issues Addressed

  • Restores accurate oxygen level readings for proper air-fuel mixture control
  • Helps resolve engine performance issues such as rough idling or hesitation
  • Reduces emissions by ensuring efficient catalytic converter operation
  • Prevents check engine light triggers related to oxygen sensor faults
  • Improves fuel economy by maintaining optimal combustion conditions

Installation Notes and Tips

When installing the Walker 250-24423 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use appropriate tools to avoid damaging the sensor or connector. The 4-wire heated sensor requires proper connection to the vehicle’s wiring harness, matching the radiused polygon female connector to the corresponding male plug. Verify sensor orientation and torque specifications according to Porsche Boxster service guidelines.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details are not provided here, Walker typically offers coverage consistent with OEM replacement parts. This sensor is GTIN registered under 00724620043055, confirming its authenticity and traceability.

BrandWalker
Part Number250-24423
PositionWalker Products OE, Upstream Right, Upstream Left, Downstream Right, and Downstream Left
Wiring Harness Length7.8
Wire Gauge Measurement20
Sensor TypeHeated
Universal Or Specific FitSpecific
Wire Quantity4
Connector ShapeRadiused polygon
Connector GenderFemale
Thread Diameter18.0
Overall Length11.34
Mounting TypeThreaded

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2003PorscheBoxster3.2LH6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2003PorscheBoxster3.2LH6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
1999PorscheBoxster2.5LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
1999PorscheBoxster2.5LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
1999PorscheBoxster2.5LH6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
1999PorscheBoxster2.5LH6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
1998PorscheBoxster2.5LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
1998PorscheBoxster2.5LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
1998PorscheBoxster2.5LH6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
1998PorscheBoxster2.5LH6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
1997PorscheBoxster2.5LH6GASUpstream RightInstall upstream oxygen sensor on the right side.; Walker Products OE
1997PorscheBoxster2.5LH6GASUpstream LeftInstall upstream oxygen sensor on the left side.; Walker Products OE
1997PorscheBoxster2.5LH6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
1997PorscheBoxster2.5LH6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.