Denso 234-4622 Oxygen Sensor - Downstream or Upstream

Reliable Oxygen Sensor for Lexus, Toyota, and Pontiac Vehicles

The Denso OE Style Oxygen Sensor 234-4622 is designed to provide precise emission control for select Lexus, Toyota, and Pontiac models. This heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and reduce emissions.

• Heated sensor type for faster response times
• Specific fit for models including Lexus ES300, Toyota Camry, and Pontiac Vibe
• 12.60-inch wiring harness length for proper installation
• Four-wire design with male connector for secure connection
• Threaded mounting type 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 emission control components. The 234-4622 sensor maintains factory standards for fit, function, and durability, making it suitable for specific Lexus, Toyota, and Pontiac applications.

Detailed Product Description

The Denso 234-4622 oxygen sensor features a heated element that accelerates sensor activation, improving fuel efficiency and reducing emissions shortly after engine start. Its 12.60-inch wiring harness length and four-wire configuration with a male connector provide a secure and accurate electrical connection. The threaded mounting type with a 0.708-inch diameter ensures a proper fit in the exhaust system. This sensor is designed specifically for models such as the Lexus ES300 and ES300h, Toyota Camry, Corolla, RAV4, and Pontiac Vibe, among others.

Common Applications and Issues Addressed

• Helps correct rough idling and engine hesitation
• Reduces excessive fuel consumption caused by faulty oxygen sensors
• Prevents check engine light triggers related to emission control
• Improves catalytic converter efficiency by providing accurate air-fuel data
• Supports compliance with emission regulations for compatible Lexus, Toyota, and Pontiac vehicles

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use the correct tools to remove the old sensor and install the Denso 234-4622 sensor by threading it securely into the exhaust port. Verify the wiring harness length of 12.60 inches is sufficient for your vehicle’s routing. Confirm the male connector matches the vehicle’s wiring harness to ensure proper electrical connection. Follow manufacturer torque specifications to avoid damage.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. This ensures dependable performance and peace of mind when replacing oxygen sensors on Lexus, Toyota, and Pontiac vehicles.