HomeEmission Control > SensorsWalker 250-54046 Oxygen Sensor - Upstream
Part #: 250-54046

Walker 250-54046 Oxygen Sensor - Upstream

Walker Products OE, Upstream
28 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products OE, Upstream
Fitment: Honda and Acura, Element, RSX, and CR-V
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 250-54046 Oxygen Sensor for Acura and Honda

The Walker 250-54046 oxygen sensor is designed specifically for select Acura and Honda models, including the CR-V, Element, and RSX. 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 oxygen sensor with 4-wire configuration
  • Wiring harness length: 12.32 inches for flexible installation
  • Wire gauge measurement: 20 gauge for reliable signal transmission
  • Thread diameter: 18.0 mm with threaded mounting type
  • Connector features a radiused polygon shape with male gender
  • Overall length of 15.87 inches for proper fitment
  • Specific fit designed for Acura CR-V, Honda Element, and RSX

Walker Products OE Brand Line Details

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. The 250-54046 oxygen sensor is part of this line, ensuring compatibility and performance consistent with factory-installed components. This product line emphasizes precise fitment and durability, making it suitable for emission control systems in Acura and Honda vehicles.

Product Features and Technical Specifications

This oxygen sensor features a heated sensor type with a 4-wire design, which allows for faster sensor warm-up and improved accuracy in measuring exhaust oxygen levels. The wiring harness length of 12.32 inches provides sufficient reach for installation without excess slack. The 20 gauge wire ensures stable electrical conductivity, while the radiused polygon male connector guarantees a secure and proper connection to the vehicle’s wiring harness. The sensor’s threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation in the exhaust system. With an overall length of 15.87 inches, this sensor fits precisely in the designated mounting location on compatible Acura and Honda models.

Common Applications and Issues Addressed

  • Restores accurate air-fuel ratio readings for improved engine efficiency
  • Helps resolve check engine light triggers related to oxygen sensor faults
  • Reduces emissions by ensuring proper catalytic converter function
  • Improves fuel economy by providing correct sensor data to the ECU
  • Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

When installing the Walker 250-54046 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector shape and gender match the vehicle’s wiring harness before installation. Tighten the sensor to the manufacturer’s torque specifications to prevent exhaust leaks. It is recommended to inspect the wiring harness for any damage or corrosion during replacement.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and OEM specifications. This ensures reliable performance and durability in emission control applications. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Always refer to the product packaging or manufacturer documentation for exact warranty terms.

BrandWalker
Part Number250-54046
PositionWalker Products OE, Upstream
Connector GenderMale
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 28 vehicles. Search below:

YearMakeModelSubmodelTransmissionLitersCylindersFuel TypePositionNotes
2010HondaElement2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2010HondaElement2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2009HondaElement2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2009HondaElement2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2008HondaElement2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2008HondaElement2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2007HondaElement2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2007HondaElement2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2006AcuraRSXType-S2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2006AcuraRSXBaseManual2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2006AcuraRSXType-S2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2006AcuraRSXBaseManual2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2006HondaCR-V2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2006HondaCR-V2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2006HondaElement2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2006HondaElement2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2005AcuraRSXType-S2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2005AcuraRSXBaseManual2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2005AcuraRSXType-S2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2005AcuraRSXBaseManual2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2005HondaCR-V2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2005HondaCR-V2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2005HondaElement2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2005HondaElement2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2004HondaElement2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2004HondaElement2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2003HondaElement2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2003HondaElement2.4LL4GASUpstreamFront oxygen sensor compatible with various 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.