HomeEmission Control > SensorsWalker 350-33074 Oxygen Sensor - Upstream
Part #: 350-33074

Walker 350-33074 Oxygen Sensor - Upstream

Walker Products Aftermarket, Upstream
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products Aftermarket, Upstream
Fitment: Peugeot, 505
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Overview of Walker 350-33074 Oxygen Sensor

The Walker 350-33074 oxygen sensor is a heated, specific-fit sensor designed to meet the emission control needs of various vehicle makes and models. Engineered with precision, this sensor ensures accurate air-fuel mixture readings to optimize engine performance and reduce emissions.

  • Heated oxygen sensor for faster response times
  • Specific fit with radiused polygon male connector
  • Threaded mounting type with 18.0 mm thread diameter
  • 17.83 inches wiring harness length for flexible installation
  • Three-wire design with 20 gauge wire for durability
  • Overall length of 21.38 inches for proper fitment

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components tailored to specific vehicle applications. The product line emphasizes quality construction and precise fitment, ensuring compatibility and performance that meet or exceed OEM standards.

Technical Description and Attributes

The Walker 350-33074 oxygen sensor features a heated sensor element that allows for quicker activation and more accurate readings shortly after engine start-up. Its specific fitment design includes a radiused polygon male connector, which ensures secure and proper connection to the vehicle’s wiring harness. The sensor’s three-wire configuration, with 20 gauge wiring, supports reliable signal transmission and durability under typical engine bay conditions. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in compatible exhaust systems. With a wiring harness length of 17.83 inches and an overall length of 21.38 inches, this sensor is engineered to fit precisely in designated vehicle models.

Common Applications and Problem Resolution

  • Restores accurate oxygen sensing for improved fuel efficiency
  • Resolves check engine light issues related to oxygen sensor faults
  • Helps reduce harmful emissions by maintaining proper air-fuel ratios
  • Eliminates rough idling caused by faulty sensor readings
  • Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

When installing the Walker 350-33074 oxygen sensor, ensure the vehicle is compatible with the specific fitment requirements. Use appropriate tools to avoid damaging the threaded mounting or connector. It is recommended to disconnect the battery before installation to prevent electrical shorts. Verify the connector’s radiused polygon shape matches the vehicle harness for a secure connection. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-33074 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship. This ensures dependable performance and peace of mind when replacing your vehicle’s oxygen sensor.

BrandWalker
Part Number350-33074
PositionWalker Products Aftermarket, Upstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length21.38
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity3
Wiring Harness Length17.83

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* 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.