HomeEmission Control > SensorsWalker 250-24627 Oxygen Sensor - Downstream Front or Downstream Rear
Part #: 250-24627

Walker 250-24627 Oxygen Sensor - Downstream Front or Downstream Rear

Walker Products OE, Downstream Front
8 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 Front
Fitment: Ford and Mazda, Probe, 626, and MX-6
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Overview of Walker Products OE Oxygen Sensor 250-24627

The Walker Products OE Oxygen Sensor 250-24627 is designed specifically for select Chevrolet, Ford, and Mazda 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 sensor type for faster response times
  • Specific fit for Chevrolet 626, Ford Probe, Mazda MX-6, and Beat models
  • 20.39-inch wiring harness length with 4 wires and 20 gauge measurement
  • Radiused polygon male connector for secure electrical connection
  • Threaded mounting type with 18.0 mm thread diameter
  • Overall length of 23.94 inches for proper installation depth

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE features a heated sensor element that allows it to reach operating temperature quickly, improving emissions control efficiency. The 4-wire design supports both sensor heating and signal transmission, with a 20 gauge wire size ensuring durability and reliable electrical performance. The wiring harness length of 20.39 inches provides sufficient reach for installation in the specified vehicle models. The sensor’s connector is a radiused polygon male type, designed to fit securely and prevent disconnections during operation. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and a tight seal in the exhaust system.

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 part of that line, ensuring compatibility and performance consistent with factory-installed components. Using a Walker Products OE sensor like the 250-24627 helps maintain the integrity of your vehicle’s emissions system and supports compliance with environmental regulations.

Compatible Vehicles and Common Applications

  • Chevrolet 626
  • Ford Probe
  • Mazda MX-6
  • Mazda Beat

This oxygen sensor is designed specifically for these models, providing a direct replacement that matches original fit and function.

Common Issues Addressed by Oxygen Sensor 250-24627

  • Check engine light triggered by faulty oxygen sensor readings
  • Poor fuel economy due to incorrect air-fuel mixture data
  • Increased emissions and failed emissions tests
  • Engine performance problems such as rough idling or hesitation
  • Damage to catalytic converter caused by improper sensor function

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and install the new one with the 18.0 mm threaded mounting. Verify the connector matches the radiused polygon male type for a secure fit. Avoid twisting or damaging the wiring harness during installation. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and OEM specifications. While specific warranty details for part number 250-24627 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to ensure reliable performance.

BrandWalker
Part Number250-24627
PositionWalker Products OE, Downstream Front
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 8 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2021ChevroletBeat1.2LL4UpstreamOE Base Sensor
2020ChevroletBeat1.2LL4UpstreamOE Base Sensor
2019ChevroletBeat1.2LL4UpstreamOE Base Sensor
2018ChevroletBeat1.2LL4UpstreamOE Base Sensor
1997FordProbe2.5LV6GASDownstream FrontDownstream front oxygen sensor required.; Walker Products OE
1996FordProbe2.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
1996Mazda6262.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
1996MazdaMX-62.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; 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.