HomeEmission Control > SensorsWalker 350-34122 Oxygen Sensor - Downstream
Part #: 350-34122

Walker 350-34122 Oxygen Sensor - Downstream

Walker Products Aftermarket, Downstream
10 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$49.86Free Shipping
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*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products Aftermarket, Downstream
Fitment: Acura and Honda, TSX and Accord
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 350-34122 Oxygen Sensor for Acura and Honda

The Walker 350-34122 oxygen sensor is designed specifically for Acura and Honda vehicles, including the Accord and TSX models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

  • Heated oxygen sensor with 4-wire design for precise readings
  • Specific fit for Acura Accord and Honda TSX models
  • Threaded mounting type with 18.0 mm thread diameter
  • Radiused polygon female connector for secure electrical connection
  • Wiring harness length of 39.69 inches and overall length of 43.23 inches
  • 20 gauge wire for durability and reliable signal transmission

Detailed Features and Specifications

This Walker Products Aftermarket oxygen sensor (part number 350-34122) features a heated sensor type that allows for faster warm-up times and improved fuel efficiency. The sensor includes a 4-wire configuration, which supports both the sensor signal and heater circuit. Its specific fitment ensures compatibility with Acura Accord and Honda TSX models, providing a direct replacement without modification. 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 female type, designed to match factory wiring harnesses for a reliable electrical connection. The wiring harness length of 39.69 inches and overall length of 43.23 inches provide ample reach for installation in the exhaust system.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on delivering emission control components that meet or exceed OEM specifications. This oxygen sensor is part of that line, offering a balance of quality and fitment precision for Acura and Honda vehicles. The product line emphasizes durability and accurate sensor performance to maintain proper engine management and emissions compliance.

Common Applications and Problem Resolution

  • Restores proper air-fuel ratio monitoring in Acura Accord and Honda TSX
  • Resolves check engine light issues related to oxygen sensor faults
  • Improves fuel economy by providing accurate exhaust gas data
  • Reduces harmful emissions by ensuring correct sensor operation
  • Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Walker 350-34122 oxygen sensor, ensure the engine and exhaust system are cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. Confirm the connector shape and gender match the vehicle’s harness before installation. Thread the sensor carefully to prevent cross-threading and tighten to manufacturer torque specifications. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for reliable performance. The 350-34122 part undergoes rigorous testing to ensure durability and accurate sensor output. While specific warranty details are not provided here, Walker typically offers limited warranties on their emission control components to cover defects in materials and workmanship.

BrandWalker
Part Number350-34122
PositionWalker Products Aftermarket, Downstream
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length43.23
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length39.69

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2008AcuraTSX2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2007AcuraTSX2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2007HondaAccord2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2006AcuraTSX2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2006HondaAccord2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2005AcuraTSX2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2005HondaAccord2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2004AcuraTSX2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2004HondaAccord2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
2003HondaAccord2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket

* 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.