HomeEmission Control > SensorsWalker 250-24795 Oxygen Sensor - Downstream
Part #: 250-24795

Walker 250-24795 Oxygen Sensor - Downstream

Walker Products OE, Downstream
7 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
Fitment: Mazda, 3
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 250-24795 Oxygen Sensor for Mazda 3

The Walker Products OE 250-24795 oxygen sensor is designed specifically for Mazda 3 models, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure installation.

  • Heated oxygen sensor with 4 wires for accurate readings
  • Specific fit for Mazda 3 ensuring compatibility and reliability
  • 12.32-inch wiring harness length for flexible installation
  • 20 gauge wire measurement for durability and signal integrity
  • Thread diameter of 18.0 mm with threaded mounting type
  • Radiused polygon female connector for secure connection
  • Overall length of 15.87 inches for proper fitment

Detailed Product Description

The Walker Products OE 250-24795 oxygen sensor is engineered to meet the exact specifications of Mazda 3 vehicles. This heated sensor uses four wires to provide fast and accurate oxygen level readings, which are critical for optimal fuel mixture and emissions control. The 12.32-inch wiring harness length allows for convenient routing within the engine bay, while the 20 gauge wire ensures reliable electrical performance. The sensor’s threaded mounting type with an 18.0 mm thread diameter guarantees a secure fit in the exhaust system. Additionally, the radiused polygon female connector is designed to match the factory harness, simplifying installation and reducing the risk of connection issues.

Walker Products OE Brand Line Information

Walker Products OE is a product line focused on delivering original equipment quality parts that meet or exceed OEM standards. This oxygen sensor is part of that line, ensuring it matches the fit, form, and function required by Mazda 3 vehicles. The OE line emphasizes precise engineering and durability, making it suitable for emission control systems that demand consistent sensor performance.

Common Applications and Issues Addressed

  • Replacement for faulty or failing oxygen sensors in Mazda 3 models
  • Helps resolve engine performance issues related to incorrect air-fuel mixture
  • Reduces emissions by providing accurate oxygen level data to the engine control unit
  • Prevents check engine light triggers caused by sensor malfunctions
  • Improves fuel efficiency by maintaining proper combustion control

Installation Notes and Tips

When installing the Walker 250-24795 oxygen sensor, ensure the engine is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector matches the factory harness before installation. Properly route the wiring harness to prevent contact with hot or moving parts. Torque the sensor to manufacturer specifications to ensure a secure fit and prevent exhaust leaks.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 250-24795 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Mazda 3 vehicles.

BrandWalker
Part Number250-24795
PositionWalker Products OE, Downstream
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length15.87
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length12.32

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2013Mazda32.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2012Mazda32.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2011Mazda32.3LL4DownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2010Mazda32.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2009Mazda32.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2008Mazda32.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2007Mazda32.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; 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.