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Part #: 250-54005

Walker 250-54005 Oxygen Sensor - Upstream

Walker Products OE, Upstream
⚙️ 32 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, Upstream
🚗Fitment: Honda, Insight and Accord
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Overview of Walker 250-54005 Oxygen Sensor for Honda Accord and Insight

The Walker 250-54005 oxygen sensor is designed specifically for Honda Accord and Insight 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 wires for accurate readings
  • Specific fit for Honda Accord and Insight vehicles
  • Threaded mounting with 18.0 mm thread diameter
  • 10.75-inch wiring harness length and 14.29-inch overall length
  • 20 gauge wire measurement for durability and signal integrity
  • Radiused polygon female connector for reliable connection

Detailed Product Description and Attributes

This Walker Products OE oxygen sensor (part number 250-54005) is engineered to meet the exact specifications of Honda Accord and Insight models. The sensor type is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. It includes four wires with a 20 gauge measurement, providing stable and accurate signal transmission. The wiring harness length is 10.75 inches, while the overall length of the sensor is 14.29 inches, making it suitable for the designated vehicle fitment. The sensor mounts via a threaded connection with an 18.0 mm diameter, ensuring a secure and leak-free installation. The connector is a radiused polygon shape with a female gender, designed to match the factory wiring harness for a direct replacement.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM standards. This oxygen sensor is part of that line, providing reliable emission control components tailored for specific vehicle applications. Using a Walker Products OE sensor like the 250-54005 helps maintain factory-level performance and compliance with emission regulations for Honda Accord and Insight models.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper air-fuel mixture control
  • Helps resolve rough idling and engine hesitation
  • Reduces increased emissions and failed emissions tests
  • Prevents poor fuel economy caused by faulty sensor readings
  • Eliminates check engine light codes related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 250-54005 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the connector matches the radiused polygon female shape on the vehicle harness before installation. Properly route the 10.75-inch wiring harness to avoid contact with hot or moving parts. After installation, clear any diagnostic trouble codes and perform a test drive to confirm sensor operation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards for durability and performance. This part number 250-54005 undergoes rigorous testing to ensure compatibility and reliability with Honda Accord and Insight vehicles. Warranty coverage details should be confirmed with the original parts provider or distributor.

BrandWalker
Part Number250-54005
PositionWalker Products OE, Upstream
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length14.29
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length10.75

This part fits 32 vehicles. Search below:

YearMakeModelSubmodelTransmissionLitersCylindersFuel TypePositionNotes
2006HondaInsightManual1.0LL3ELECTRIC/GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2006HondaInsightAutomatic CVT1.0LL3ELECTRIC/GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2006HondaInsightManual1.0LL3ELECTRIC/GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2006HondaInsightAutomatic CVT1.0LL3ELECTRIC/GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2005HondaInsightManual1.0LL3ELECTRIC/GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2005HondaInsightAutomatic CVT1.0LL3ELECTRIC/GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2005HondaInsightManual1.0LL3ELECTRIC/GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2005HondaInsightAutomatic CVT1.0LL3ELECTRIC/GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2004HondaInsightManual1.0LL3ELECTRIC/GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2004HondaInsightAutomatic CVT1.0LL3ELECTRIC/GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2004HondaInsightManual1.0LL3ELECTRIC/GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2004HondaInsightAutomatic CVT1.0LL3ELECTRIC/GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2003HondaInsightManual1.0LL3ELECTRIC/GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2003HondaInsightAutomatic CVT1.0LL3ELECTRIC/GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2003HondaInsightManual1.0LL3ELECTRIC/GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2003HondaInsightAutomatic CVT1.0LL3ELECTRIC/GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2002HondaAccordSE2.3LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2002HondaAccordLX2.3LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2002HondaAccordEX2.3LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2002HondaAccordSE2.3LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2002HondaAccordLX2.3LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2002HondaAccordEX2.3LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2002HondaInsightManual1.0LL3ELECTRIC/GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2002HondaInsightAutomatic CVT1.0LL3ELECTRIC/GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2002HondaInsightManual1.0LL3ELECTRIC/GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2002HondaInsightAutomatic CVT1.0LL3ELECTRIC/GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2001HondaAccordLX2.3LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2001HondaAccordEX2.3LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2001HondaAccordLX2.3LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2001HondaAccordEX2.3LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2001HondaInsightAutomatic CVT1.0LL3ELECTRIC/GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2001HondaInsightAutomatic CVT1.0LL3ELECTRIC/GASUpstreamFront 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.