HomeEmission Control > SensorsWalker 250-21055 Oxygen Sensor - Upstream
Part #: 250-21055

Walker 250-21055 Oxygen Sensor - Upstream

Walker Products OE, Upstream
6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products OE, Upstream
Fitment: Toyota, Camry
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Overview of Walker 250-21055 Oxygen Sensor for Toyota Camry

The Walker 250-21055 oxygen sensor is designed specifically for Toyota Camry models, providing accurate emission control sensor functionality. This non-heated oxygen sensor features a flange mount design and a radiused polygon male connector for precise fitment and reliable performance.

  • Wiring harness length: 17.44 inches
  • Wire gauge measurement: 20 gauge
  • Sensor type: Non-heated oxygen sensor
  • Specific fit for Toyota Camry
  • Wire quantity: 1 wire
  • Connector shape: Radiused polygon
  • Connector gender: Male
  • Thread diameter: 18.0 mm
  • Overall length: 20.98 inches
  • Mounting type: Flange mount

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality parts designed to meet or exceed factory specifications. The Walker Products OE line ensures compatibility and durability, making it a suitable replacement part for emission control systems in Toyota Camry vehicles.

Product Description and Specifications

The Walker 250-21055 oxygen sensor is engineered as a non-heated sensor with a single wire, optimized for specific fitment on Toyota Camry models. Its 17.44-inch wiring harness and 20 gauge wire provide reliable electrical connectivity, while the radiused polygon male connector ensures secure attachment. The sensor’s flange mount and 18.0 mm thread diameter allow for straightforward installation and stable positioning within the exhaust system. With an overall length of 20.98 inches, this sensor fits precisely in the designated mounting location, maintaining proper sensor function and emission control.

Common Applications and Issues Addressed

  • Helps maintain optimal air-fuel mixture for efficient combustion
  • Reduces harmful emissions by providing accurate oxygen level readings
  • Prevents engine performance issues related to faulty oxygen sensors
  • Addresses check engine light triggers related to sensor malfunction
  • Supports proper operation of the vehicle’s emission control system

Installation Notes and Tips

When installing the Walker 250-21055 oxygen sensor, ensure the flange mount is securely fastened and the thread diameter matches the exhaust port. Handle the sensor wiring carefully to avoid damage to the 20 gauge wire and connector. Confirm the radiused polygon male connector is fully engaged to prevent electrical connection issues. It is recommended to use proper torque specifications to avoid sensor damage and ensure a tight seal.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number 250-21055 undergoes rigorous testing to comply with OEM specifications for Toyota Camry vehicles. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.

BrandWalker
Part Number250-21055
PositionWalker Products OE, Upstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeFlange Mount
Overall Length20.98
Sensor TypeNon Heated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity1
Wiring Harness Length17.44

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1993ToyotaCamry2.2LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1993ToyotaCamry2.2LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1993ToyotaCamry2.2LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1992ToyotaCamry2.2LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1992ToyotaCamry2.2LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1992ToyotaCamry2.2LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; 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.