HomeEmission Control > SensorsDenso 234-4519 Oxygen Sensor - Downstream Left or Downstream Right
Part #: 234-4519

Denso 234-4519 Oxygen Sensor - Downstream Left or Downstream Right

OE Style, Downstream Right
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Downstream Right
🚗Fitment: Lexus, GS350
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Overview of Denso OE Style Oxygen Sensor 234-4519

The Denso OE Style Oxygen Sensor 234-4519 is designed specifically for Lexus GS350 models, ensuring precise fitment and reliable performance. This heated oxygen sensor features a threaded mounting type and a 43.50-inch wiring harness, making it a direct replacement for your vehicle's emission control system.

  • Heated sensor type for faster response times
  • Specific fit for Lexus GS350
  • 43.50-inch wiring harness length for optimal installation
  • Threaded mounting with 0.708-inch thread diameter
  • 4-wire configuration with male connector

Detailed Product Description

The Denso 234-4519 oxygen sensor is engineered to meet the exact specifications of the Lexus GS350. Its heated sensor design allows for quicker activation and improved fuel efficiency by accurately monitoring oxygen levels in the exhaust gases. The 4-wire setup includes a male connector, facilitating straightforward electrical connections. With a 0.708-inch threaded mounting, this sensor installs securely into the exhaust system. The 43.50-inch wiring harness length provides sufficient reach for proper routing without excess slack.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that match original equipment specifications for fit, form, and function. This ensures that the 234-4519 oxygen sensor integrates seamlessly with the Lexus GS350’s emission control system, maintaining factory performance standards and compliance.

Common Applications and Issues Addressed

  • Restores accurate air-fuel ratio readings for optimal engine performance
  • Resolves check engine light triggers related to oxygen sensor faults
  • Improves fuel economy by providing precise exhaust gas data
  • Reduces emissions by ensuring proper catalytic converter operation
  • Eliminates rough idling or hesitation caused by faulty sensors

Installation Notes and Tips

When installing the Denso 234-4519 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 0.708-inch threaded sensor to prevent damage. Verify the 4-wire male connector matches the vehicle harness before securing. Properly route the 43.50-inch wiring harness to avoid contact with hot or moving parts.

Quality Assurance and Warranty

Denso manufactures the 234-4519 oxygen sensor to meet stringent quality standards, ensuring durability and reliable operation. The OE Style product line is designed to match original equipment specifications, providing confidence in fit and function. Warranty coverage details should be confirmed with the supplier or manufacturer.

BrandDenso
Part Number234-4519
PositionOE Style, Downstream Right
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length43.50

This part fits 6 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2013LexusGS350AWDDownstream RightOE Style
2011LexusGS350AWDDownstream LeftOE Style
2010LexusGS350AWDDownstream LeftOE Style
2009LexusGS350AWDDownstream LeftOE Style
2008LexusGS350AWDDownstream LeftOE Style
2007LexusGS350AWDDownstream LeftOE Style

* 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:

15759

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.