Denso 234-4574 Oxygen Sensor - Downstream, Downstream Front or Downstream Left

Overview of the Denso OE Style Oxygen Sensor 234-4574

The Denso OE Style Oxygen Sensor 234-4574 is designed specifically for select Acura and Honda models, including the Accord, Civic, CR-V, Crosstour, ILX, NSX, RDX, RLX, and TLX. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Acura and Honda vehicles
• Threaded mounting type with 0.708-inch thread diameter
• Four-wire configuration with female connector
• 13.70-inch wiring harness length for precise installation

Detailed Features and Specifications

The Denso 234-4574 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its specific fitment ensures compatibility with a range of Acura and Honda models, including the Accord, Civic, CR-V, Crosstour, ILX, NSX, RDX, RLX, and TLX. The sensor uses a four-wire design with a female connector, facilitating straightforward electrical connections. The threaded mounting type with a 0.708-inch diameter provides secure installation, while the 13.70-inch wiring harness length offers flexibility during replacement.

About the Denso OE Style Product Line

The OE Style line from Denso is engineered to meet original equipment specifications, providing reliable performance and durability. This product line focuses on delivering sensors that match factory fit and function, making the 234-4574 oxygen sensor a direct replacement for the original part in compatible Acura and Honda vehicles.

Common Applications and Issues Addressed

• Helps resolve poor fuel economy caused by faulty oxygen sensors
• Reduces rough idling and engine hesitation
• Prevents increased emissions and failed emissions tests
• Corrects check engine light triggers related to oxygen sensor faults
• Improves overall engine performance and responsiveness

Installation Notes and Tips

When installing the Denso 234-4574 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the four-wire female connector matches the vehicle harness before installation. Proper torque specifications should be followed to secure the sensor without over-tightening.

Quality Assurance and Warranty

Denso manufactures the 234-4574 oxygen sensor to meet strict quality standards, ensuring reliable operation and longevity. The OE Style product line is designed to match original equipment performance. Warranty details vary by distributor but typically cover defects in materials and workmanship.