Denso 234-4006 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Cadillac and Oldsmobile Vehicles

The Denso OE Style 234-4006 oxygen sensor is designed specifically for select Cadillac and Oldsmobile models, including the Allante, Aurora, DeVille, Eldorado, and Seville. This heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Heated sensor type for faster response times
• Specific fit for Cadillac and Oldsmobile models listed
• 12.80-inch wiring harness length for precise installation
• Four-wire design with male connector for secure connection
• Threaded mounting type with 0.708-inch thread diameter

Detailed Features of the Denso OE Style 234-4006 Oxygen Sensor

The Denso OE Style 234-4006 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 12.80-inch wiring harness length provides flexibility during installation, while the four-wire configuration supports both sensor heating and signal transmission. The male connector and threaded mounting type with a 0.708-inch diameter ensure a secure and precise fit in the exhaust system. This sensor is engineered for specific fitment, compatible with Cadillac Allante, Aurora, DeVille, Eldorado, and Seville models, ensuring proper operation and integration with the vehicle’s emission control system.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that meet original equipment specifications. The 234-4006 oxygen sensor is part of this line, designed to provide reliable performance and fitment that matches factory standards. This ensures compatibility and durability for emission control components in Cadillac and Oldsmobile vehicles.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for engine control units
• Helps resolve rough idling and poor fuel economy
• Reduces emissions by maintaining proper air-fuel mixture
• Prevents check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and drivability

Installation Notes and Tips

When installing the Denso 234-4006 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Verify the wiring harness length of 12.80 inches is sufficient for your vehicle’s routing needs. Confirm the male connector securely mates with the vehicle’s wiring harness to avoid connection issues.

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 parts typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation or vehicle service provider for exact warranty terms.