Denso 234-4008 Oxygen Sensor - Downstream or Downstream Front

Overview of the Denso OE Style Oxygen Sensor 234-4008

The Denso OE Style Oxygen Sensor 234-4008 is designed specifically for select Chrysler, Dodge, Jeep, and Plymouth vehicles. This heated oxygen sensor ensures accurate emissions control and optimal engine performance for models like the Jeep Cherokee, Dodge Neon, and PT Cruiser.

• Heated sensor type for faster response times
• Specific fit for Chrysler, Dodge, Jeep, and Plymouth vehicles
• Threaded mounting type with 0.708 inch thread diameter
• Four-wire design with female connector
• 11.02-inch wiring harness length for precise installation

Detailed Product Description

The Denso OE Style line focuses on providing original equipment quality replacement parts that meet or exceed factory specifications. The 234-4008 oxygen sensor is a heated sensor, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its specific fitment ensures compatibility with various Chrysler, Dodge, Jeep, and Plymouth models, including the Jeep Wrangler TJ and Plymouth Neon. The sensor features a threaded mounting type with a 0.708-inch thread diameter, making installation straightforward and secure. The four-wire configuration with a female connector supports reliable electrical connections, while the 11.02-inch wiring harness length offers flexibility during installation.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces engine misfires and rough idling
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate oxygen level readings
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Denso 234-4008 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate 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. The 11.02-inch wiring harness length provides adequate reach, but routing should avoid heat sources and moving parts. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number 234-4008 undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship, providing confidence in the sensor's long-term functionality.