HomeEmission Control > SensorsWalker 350-34301 Oxygen Sensor - Downstream Left or Downstream Right
Part #: 350-34301

Walker 350-34301 Oxygen Sensor - Downstream Left or Downstream Right

Walker Products Aftermarket, Downstream Left
24 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$54.45Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*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 Left
Fitment: Chevrolet and Pontiac, Caprice and G8
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 350-34301 Oxygen Sensor

The Walker 350-34301 oxygen sensor is designed specifically for Chevrolet Caprice and Pontiac G8 models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

  • Heated sensor type for faster response times
  • Specific fit for Chevrolet Caprice and Pontiac G8
  • 10.35-inch wiring harness length for precise installation
  • 20 gauge wire measurement with 4 wires for reliable signal transmission
  • Radiused polygon female connector for secure connection
  • 18.0 mm threaded mounting for easy replacement
  • Overall length of 13.9 inches to fit designated exhaust systems

Walker Products Aftermarket Line Details

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing direct-fit replacement parts engineered to meet or exceed OEM specifications. The line emphasizes compatibility and durability, making it suitable for emission control systems in specific vehicle models like the Chevrolet Caprice and Pontiac G8.

Product Description and Features

The Walker 350-34301 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 4-wire design includes a dedicated heater circuit and signal wires, ensuring accurate oxygen level readings. The radiused polygon female connector and threaded mounting type simplify installation and provide a secure fit. With a wiring harness length of 10.35 inches and an overall length of 13.9 inches, this sensor is tailored for the exhaust systems of the Chevrolet Caprice and Pontiac G8.

Common Applications and Problem Resolution

  • Helps correct engine running issues caused by faulty oxygen sensors
  • Reduces rough idling and engine hesitation
  • Improves fuel economy by providing accurate air-fuel mixture data
  • Prevents emission test failures due to sensor malfunction
  • Eliminates check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 350-34301 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the radiused polygon female connector is securely attached to the vehicle’s wiring harness. Thread the sensor carefully into the exhaust port to prevent cross-threading. After installation, clear any diagnostic trouble codes to reset the engine control unit.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 350-34301 part number undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandWalker
Part Number350-34301
PositionWalker Products Aftermarket, Downstream Left
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length13.9
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length10.35

This part fits 24 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2013ChevroletCaprice6.0LV8FLEXDownstream RightDownstream oxygen sensor for Bank 2 Sensor 2 on right side.; Walker Products Aftermarket
2013ChevroletCaprice6.0LV8FLEXDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products Aftermarket
2013ChevroletCaprice6.0LV8FLEXDownstream RightDownstream oxygen sensor compatible with bank 2 sensor 2.; Walker Products Aftermarket
2013ChevroletCaprice6.0LV8FLEXDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products Aftermarket
2012ChevroletCaprice6.0LV8Downstream RightDownstream oxygen sensor for Bank 2 Sensor 2 on right side.; Walker Products Aftermarket
2012ChevroletCaprice6.0LV8Downstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products Aftermarket
2012ChevroletCaprice6.0LV8Downstream RightDownstream oxygen sensor compatible with bank 2 sensor 2.; Walker Products Aftermarket
2012ChevroletCaprice6.0LV8Downstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products Aftermarket
2011ChevroletCaprice6.0LV8FLEXDownstream RightDownstream oxygen sensor for Bank 2 Sensor 2 on right side.; Walker Products Aftermarket
2011ChevroletCaprice6.0LV8FLEXDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products Aftermarket
2011ChevroletCaprice6.0LV8FLEXDownstream RightDownstream oxygen sensor compatible with bank 2 sensor 2.; Walker Products Aftermarket
2011ChevroletCaprice6.0LV8FLEXDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products Aftermarket
2009PontiacG86.2LV8GASDownstream RightDownstream oxygen sensor for Bank 2 Sensor 2 on right side.; Walker Products Aftermarket
2009PontiacG86.2LV8GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products Aftermarket
2009PontiacG86.0LV8GASDownstream RightDownstream oxygen sensor for Bank 2 Sensor 2 on right side.; Walker Products Aftermarket
2009PontiacG86.0LV8GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products Aftermarket
2009PontiacG86.2LV8GASDownstream RightDownstream oxygen sensor compatible with bank 2 sensor 2.; Walker Products Aftermarket
2009PontiacG86.2LV8GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products Aftermarket
2009PontiacG86.0LV8GASDownstream RightDownstream oxygen sensor compatible with bank 2 sensor 2.; Walker Products Aftermarket
2009PontiacG86.0LV8GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products Aftermarket
2008PontiacG86.0LV8GASDownstream RightDownstream oxygen sensor for Bank 2 Sensor 2 on right side.; Walker Products Aftermarket
2008PontiacG86.0LV8GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products Aftermarket
2008PontiacG86.0LV8GASDownstream RightDownstream oxygen sensor compatible with bank 2 sensor 2.; Walker Products Aftermarket
2008PontiacG86.0LV8GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; 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.