HomeEmission Control > SensorsWalker 350-34536 Oxygen Sensor - Upstream
Part #: 350-34536

Walker 350-34536 Oxygen Sensor - Upstream

Walker Products Aftermarket, Upstream
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ 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, Upstream
🚗Fitment: Lexus and Toyota, LX450 and Land Cruiser
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker Oxygen Sensor 350-34536

The Walker 350-34536 oxygen sensor is designed specifically for Lexus and Toyota vehicles, including the Land Cruiser and LX450 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 Lexus Land Cruiser and Toyota LX450
  • 8.39-inch wiring harness length with 22 gauge wire
  • Four-wire configuration with radiused polygon male connector
  • Flange mount with 18.0 mm thread diameter
  • Overall length of 11.93 inches for precise installation

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 line emphasizes exact fitment and quality construction, ensuring compatibility and durability for replacement parts like the 350-34536 oxygen sensor.

Technical Description and Features

The Walker 350-34536 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its four-wire design includes a radiused polygon male connector, which ensures secure and accurate electrical connections. The sensor’s flange mount and 18.0 mm thread diameter provide a stable and precise fit in the exhaust system. With an overall length of 11.93 inches and an 8.39-inch wiring harness, this sensor is engineered for the specific requirements of Lexus Land Cruiser and Toyota LX450 models.

Common Applications and Problem Solving

  • Restores accurate oxygen level readings for engine control units
  • Helps resolve rough idling and poor fuel economy issues
  • Reduces emissions by ensuring proper air-fuel mixture
  • Eliminates check engine light triggers related to oxygen sensor faults
  • Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

When installing the Walker 350-34536 oxygen sensor, ensure the flange mount is securely tightened to the exhaust manifold or pipe. Verify the connector’s radiused polygon male shape matches the vehicle’s wiring harness for a proper fit. Avoid damaging the wiring harness during installation and confirm the sensor’s orientation aligns with OEM specifications for Lexus Land Cruiser and Toyota LX450 models.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet OEM standards for durability and performance. The 350-34536 part number is manufactured to provide consistent emissions control and reliable operation. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandWalker
Part Number350-34536
PositionWalker Products Aftermarket, Upstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeFlange Mount
Overall Length11.93
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement22
Wire Quantity4
Wiring Harness Length8.39

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1997LexusLX4504.5LL6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
1997ToyotaLand Cruiser4.5LL6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
1996LexusLX4504.5LL6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
1996ToyotaLand Cruiser4.5LL6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
1995ToyotaLand Cruiser4.5LL6GASUpstreamFrom 1/95; Del 1/95; Upstream; Walker Products Aftermarket
1995ToyotaLand Cruiser4.5LL6GASUpstream1995 and newer models; installed before the catalytic converter.; 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.