Denso 234-4925 Oxygen Sensor - Downstream Left or Downstream Right

Reliable Oxygen Sensor for Lexus and Toyota Vehicles

The Denso OE Style 234-4925 oxygen sensor is designed specifically for select Lexus and Toyota models, including the Avalon, Camry, ES350, and GX460. 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 Lexus and Toyota models
• 13.07-inch wiring harness length for easy installation
• Four-wire design with male connector
• Threaded mounting with 0.708-inch thread diameter

About the Denso OE Style Product Line

The OE Style line from Denso offers oxygen sensors engineered to meet original equipment specifications. This ensures compatibility and reliable performance for vehicles requiring precise emissions control components. The 234-4925 sensor maintains factory standards for fit, function, and durability, making it suitable for Lexus and Toyota models that demand exact replacement parts.

Detailed Product Features and Specifications

The Denso 234-4925 oxygen sensor features a heated sensor element that accelerates the sensor’s readiness after engine start, improving emissions control efficiency. Its 13.07-inch wiring harness length provides sufficient reach for straightforward installation in the engine bay. The sensor uses a four-wire configuration with a male connector, ensuring proper electrical connections and communication with the vehicle’s engine control unit. The threaded mounting type with a 0.708-inch diameter allows secure attachment in the exhaust system, maintaining a tight seal to prevent leaks.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for Lexus Avalon and Toyota Camry
• Helps resolve rough idling and poor fuel economy in ES350 and GX460
• Reduces emissions-related check engine light triggers
• Improves engine performance by ensuring proper oxygen sensor feedback
• Prevents failed emissions tests due to faulty sensor readings

Installation Notes and Tips

When installing the Denso 234-4925 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 four-wire harness and male connector align with the vehicle’s wiring harness. Avoid over-tightening to maintain proper sensor function and prevent exhaust leaks.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring reliable operation and durability. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.