Denso 234-9067 Air / Fuel Ratio Sensor - Upstream Left or Upstream Right

Overview of the Denso OE Style Air/Fuel Ratio Sensor 234-9067

The Denso OE Style Air/Fuel Ratio Sensor 234-9067 is designed specifically for select Lexus and Toyota models, including the Highlander, IS250, and Tacoma. This heated sensor ensures accurate air and fuel mixture readings to support optimal engine performance and emissions control.

• Heated sensor type for faster response times
• Specific fit for Lexus Highlander, IS250, and Toyota Tacoma
• 11.42-inch wiring harness length for precise installation
• Four-wire configuration with male connector
• Thread diameter of 0.711 inches for secure mounting
• Regular grade type for standard OE replacement

Detailed Product Features and Specifications

This air/fuel ratio sensor from Denso's OE Style line is engineered to meet original equipment specifications, providing reliable sensor performance and durability. The heated sensor element allows quicker warm-up, improving fuel efficiency and reducing emissions during cold starts. With a wiring harness length of 11.42 inches and a four-wire setup, this sensor integrates seamlessly with the vehicle's existing electrical system. The male connector and 0.711-inch thread diameter ensure a secure and proper fit, minimizing installation issues. Designed as a specific fit part, it is compatible with Lexus Highlander, IS250, and Toyota Tacoma models, ensuring precise sensor operation tailored to these vehicles.

About the Denso OE Style Product Line

The OE Style product line from Denso focuses on delivering parts that closely replicate original equipment specifications. This ensures that components like the 234-9067 air/fuel ratio sensor maintain the performance and reliability expected from factory-installed parts. The OE Style line is intended for customers seeking direct replacements that meet or exceed OEM standards without modification.

Common Applications and Issues Addressed

• Helps maintain proper air/fuel mixture for efficient combustion
• Reduces engine hesitation and rough idling caused by faulty sensors
• Supports emission control systems to meet regulatory standards
• Prevents check engine light triggers related to sensor malfunction
• Improves fuel economy by providing accurate sensor data

Installation Notes and Tips

When installing the Denso 234-9067 air/fuel ratio sensor, ensure the wiring harness length of 11.42 inches is sufficient for your vehicle’s sensor location. The male connector should be securely attached to the vehicle’s wiring harness to avoid electrical issues. Use appropriate tools to tighten the sensor with its 0.711-inch thread diameter, avoiding over-tightening which can damage the sensor or mounting threads. It is recommended to follow vehicle-specific service manuals for torque specifications and sensor replacement procedures.

Quality Assurance and Warranty Information

Denso manufactures the 234-9067 sensor to meet strict quality standards, ensuring consistent performance and durability. As part of the OE Style line, this sensor undergoes rigorous testing to match original equipment specifications. Warranty coverage details should be confirmed at the point of purchase, but Denso typically offers limited warranties covering defects in materials and workmanship.