HomeEmission Control > SensorsWalker 350-34835 Oxygen Sensor - Upstream
Part #: 350-34835

Walker 350-34835 Oxygen Sensor - Upstream

Walker Products Aftermarket, Upstream
20 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products Aftermarket, Upstream
Fitment: Chevrolet and Toyota, Prizm and Corolla
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 350-34835 Oxygen Sensor

The Walker 350-34835 oxygen sensor is designed specifically for select Chevrolet and Toyota models, including the Corolla and Prizm. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

  • Heated sensor type for faster response times
  • Specific fit for Chevrolet and Toyota Corolla, Prizm models
  • 11.34-inch wiring harness length with 4 wires
  • 20 gauge wire measurement for reliable signal transmission
  • Radiused polygon male connector for secure connection
  • 18.0 mm thread diameter with flange mount installation
  • Overall length of 14.88 inches for proper fitment

Detailed Product Description

The Walker 350-34835 oxygen sensor is engineered to meet the exact specifications required by Chevrolet and Toyota vehicles such as the Corolla and Prizm. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings. The sensor includes a wiring harness length of 11.34 inches with four 20-gauge wires, ensuring consistent electrical performance. Its radiused polygon male connector and flange mount design facilitate straightforward installation and secure fitment. The 18.0 mm thread diameter matches OEM standards, while the overall length of 14.88 inches accommodates the specific mounting locations on compatible vehicles.

This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on delivering reliable emission control components designed to meet or exceed OEM requirements. Walker Products Aftermarket parts are engineered for durability and precise fitment, making them suitable replacements for factory-installed sensors in Chevrolet and Toyota models.

Common Applications and Issues Addressed

  • Restores accurate air-fuel ratio readings for improved engine efficiency
  • Helps resolve check engine light triggers related to oxygen sensor faults
  • Reduces emissions by ensuring proper catalytic converter function
  • Prevents rough idling and poor fuel economy caused by faulty sensors
  • Supports compliance with emissions testing standards

Installation Notes and Tips

  • Verify compatibility with Chevrolet Corolla or Toyota Prizm before installation
  • Use appropriate tools to avoid damaging the 18.0 mm threaded sensor
  • Ensure the radiused polygon male connector is fully seated for secure electrical connection
  • Inspect wiring harness length (11.34 inches) to confirm routing clearance
  • Follow vehicle manufacturer torque specifications for flange mount installation

Quality Assurance and Warranty

Walker oxygen sensors, including part number 350-34835, are manufactured to meet stringent quality standards. The heated sensor design enhances durability and performance under varying operating conditions. While specific warranty details may vary, Walker Products Aftermarket parts typically come with a limited warranty covering defects in materials and workmanship to provide confidence in product reliability.

BrandWalker
Part Number350-34835
PositionWalker Products Aftermarket, Upstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeFlange Mount
Overall Length14.88
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length11.34

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2002ChevroletPrizm1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2002ChevroletPrizm1.8LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2002ToyotaCorolla1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2002ToyotaCorolla1.8LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2001ChevroletPrizm1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2001ChevroletPrizm1.8LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2001ToyotaCorolla1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2001ToyotaCorolla1.8LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2000ChevroletPrizm1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2000ChevroletPrizm1.8LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
2000ToyotaCorolla1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
2000ToyotaCorolla1.8LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1999ChevroletPrizm1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1999ChevroletPrizm1.8LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1999ToyotaCorolla1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1999ToyotaCorolla1.8LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1998ChevroletPrizm1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1998ChevroletPrizm1.8LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1998ToyotaCorolla1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1998ToyotaCorolla1.8LL4GASUpstreamFront oxygen sensor compatible with various 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.