Denso 234-9008 Air / Fuel Ratio Sensor - Upstream or Upstream Left

Reliable Air/Fuel Ratio Sensor for Lexus, Toyota, and Pontiac

The Denso OE Style 234-9008 Air/Fuel Ratio Sensor is engineered to provide precise emissions control for select Lexus, Toyota, and Pontiac models. Designed as a specific fit part, it ensures accurate sensor readings and optimal engine performance.

• Heated sensor type for faster response times
• 18.03-inch wiring harness length for proper installation
• Four-wire configuration with male connector
• Thread diameter of 0.711 inches for secure mounting
• Regular grade type for standard durability

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that meet original equipment specifications. This air/fuel ratio sensor maintains the quality and fitment standards expected from factory components, making it a reliable replacement for the 234-9008 sensor in compatible vehicles.

Detailed Product Description

This Denso 234-9008 air/fuel ratio sensor is a heated sensor designed specifically for models such as the Lexus ES350, RX350, Toyota Avalon, Camry, Corolla, Highlander, Matrix, Sienna, Venza, and Pontiac Vibe. The 18.03-inch wiring harness length and four-wire setup with a male connector ensure proper electrical connections and sensor functionality. The 0.711-inch thread diameter allows for secure installation in the exhaust system, helping maintain accurate air/fuel mixture readings critical for emissions control and engine efficiency.

Common Issues Addressed by This Sensor

• Incorrect air/fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty sensor signals
• Increased emissions due to sensor malfunction
• Engine performance issues related to improper fuel ratios
• Failed emissions tests linked to sensor degradation

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Disconnect the battery prior to sensor replacement to prevent electrical shorts. Use the correct tools to remove the old sensor and install the new Denso 234-9008 sensor, verifying the 0.711-inch thread diameter matches the exhaust port. Confirm the four-wire harness with male connector is properly connected to the vehicle wiring for accurate sensor operation.

Quality Assurance and Warranty

Denso OE Style sensors are manufactured to meet original equipment standards, providing reliable performance and fitment. While specific warranty details may vary, Denso parts typically come with a limited warranty covering defects in materials and workmanship to ensure confidence in your replacement sensor.