Denso 234-4576 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Ford and Lincoln Vehicles

The Denso OE Style Oxygen Sensor 234-4576 is designed specifically for select Ford and Lincoln models, including the Expedition, F-250 Super Duty, F-350 Super Duty, and Navigator. This heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Heated sensor type for faster response times
• Specific fit for Ford and Lincoln models listed
• 15.43-inch wiring harness length for precise installation
• Four-wire design with female 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 emission control systems. The 234-4576 sensor maintains factory standards for fit, function, and durability, making it a suitable replacement part for your Ford Expedition or Lincoln Navigator.

Product Details and Specifications

This oxygen sensor features a heated element to reduce warm-up time, improving fuel efficiency and reducing emissions sooner after engine start. The 15.43-inch wiring harness length provides flexibility during installation, while the four-wire configuration supports accurate signal transmission. The sensor’s female connector and threaded mounting type with a 0.708-inch diameter ensure a secure and proper fit in the exhaust system.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for engine control
• Helps resolve check engine light codes related to oxygen sensors
• Improves fuel economy by providing precise emissions data
• Reduces harmful exhaust emissions for compliance with regulations
• Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. The 15.43-inch wiring harness length allows for straightforward routing without excessive tension. Use appropriate tools to remove the old sensor and install the new one with the specified 0.708-inch threaded mount. Verify the female connector is securely attached to the vehicle’s wiring harness.

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.