HomeEmission Control > SensorsWalker 250-241123 Oxygen Sensor - Downstream
Part #: 250-241123

Walker 250-241123 Oxygen Sensor - Downstream

Walker Products OE, Downstream
⚙️ 9 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products OE, Downstream
🚗Fitment: Honda, CR-V and Civic
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 250-241123 Oxygen Sensor for Honda Civic and CR-V

The Walker 250-241123 oxygen sensor is designed specifically for Honda Civic and CR-V 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 installation.

  • Heated oxygen sensor with 4-wire configuration
  • Specific fit for Honda Civic and CR-V
  • 9.37-inch wiring harness length for flexible placement
  • 20 gauge wire for reliable signal transmission
  • Threaded mounting with 18.0 mm thread diameter
  • Radiused polygon female connector for secure connection
  • Overall length of 12.91 inches for proper fitment

Detailed Features and Specifications

This Walker Products OE oxygen sensor (part number 250-241123) is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring accurate oxygen level readings. The wiring harness length of 9.37 inches allows for proper routing within the engine bay, while the 20 gauge wire ensures durability and consistent electrical performance. The sensor’s threaded mounting type with an 18.0 mm diameter thread guarantees a secure fit in the exhaust system. 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

The Walker Products OE line focuses on delivering emission control components that meet or exceed original equipment specifications. This oxygen sensor is part of that line, providing a direct replacement solution for Honda Civic and CR-V vehicles. Walker Products OE parts are engineered to maintain factory performance standards, ensuring compatibility and reliability in emission systems.

Common Applications and Problem Resolution

  • Restores accurate air-fuel mixture readings for improved engine efficiency
  • Resolves check engine light issues related to oxygen sensor faults
  • Helps reduce harmful emissions by maintaining proper sensor function
  • Prevents rough idling and poor fuel economy caused by faulty sensors
  • Supports smooth engine performance and drivability

Installation Notes and Tips

When installing the Walker 250-241123 oxygen sensor, ensure the engine and exhaust system are cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the radiused polygon female connector matches the vehicle’s wiring harness before connecting. It is recommended to inspect the wiring harness for any damage or corrosion prior to installation. Proper torque specifications should be followed to secure the sensor without over-tightening.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. While specific warranty details for part number 250-241123 may vary, Walker typically offers coverage against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.

BrandWalker
Part Number250-241123
PositionWalker Products OE, Downstream
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length12.91
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length9.37

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2006HondaCR-V2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2005HondaCivic1.3LL4ELECTRIC/GASDownstreamDownstream oxygen sensor for B1S2 position in California emissions.; Walker Products OE
2005HondaCivic1.3LL4ELECTRIC/GASDownstreamDownstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products OE
2005HondaCR-V2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2004HondaCivic1.3LL4ELECTRIC/GASDownstreamDownstream oxygen sensor for B1S2 position in California emissions.; Walker Products OE
2004HondaCivic1.3LL4ELECTRIC/GASDownstreamDownstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products OE
2003HondaCivic1.3LL4ELECTRIC/GASDownstreamCalif-ESV, From Chassis/VIN #3S020169; B1S2; Calif-ESV, De Chasis / VIN # 3S020169; Downstream; Walker Products OE
2003HondaCivic1.3LL4ELECTRIC/GASDownstreamCalif-ESV, From Chassis/VIN #3S020169; Calif-ESV, De Chasis / VIN # 3S020169; Downstream; B1S2; Walker Products OE
2003HondaCivic1.3LL4ELECTRIC/GASDownstreamCalif-ESV, From Chassis/VIN #3S020169; B1S2; Downstream; 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.