Denso 234-4270 Oxygen Sensor - Downstream Left, Downstream Rear or Downstream Right

Overview of Denso OE Style Oxygen Sensor 234-4270

The Denso OE Style Oxygen Sensor 234-4270 is designed specifically for select Nissan and INFINITI models, including the Maxima, Sentra, and I35. This heated oxygen sensor features a threaded mounting type and a 39.37-inch wiring harness, ensuring precise fitment and reliable performance.

• Heated oxygen sensor for accurate emissions control
• Specific fit for Nissan Maxima, Sentra, and INFINITI I35
• Threaded mounting with 0.708-inch thread diameter
• 39.37-inch wiring harness length with 4 wires and male connector
• Part number 234-4270 for easy identification and replacement

Detailed Features and Specifications

This Denso oxygen sensor is part of the OE Style product line, which focuses on delivering components that closely match original equipment specifications. The OE Style line ensures compatibility and performance similar to factory-installed parts, making it a suitable replacement for the 234-4270 sensor in Nissan and INFINITI vehicles. The sensor’s heated design allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions.

The sensor includes a 39.37-inch wiring harness with four wires and a male connector, designed for a specific fit rather than a universal application. Its threaded mounting type with a 0.708-inch thread diameter allows for secure installation in the exhaust system. These attributes contribute to accurate oxygen level readings, which are critical for engine management and emission control systems.

Compatible Vehicles and Applications

• Compatible with Nissan Maxima models requiring part number 234-4270
• Compatible with Nissan Sentra models requiring part number 234-4270
• Compatible with INFINITI I35 models requiring part number 234-4270
• Designed for emission control sensor replacement in these specific vehicles

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns
• Use appropriate tools to avoid damaging the threaded mounting
• Verify connector gender and wire count match the vehicle’s harness before installation
• Apply anti-seize compound on threads if recommended by the vehicle manufacturer
• Check for proper sensor operation after installation using diagnostic tools

Quality Assurance and Warranty

Denso’s OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 234-4270 may vary, Denso typically offers coverage against defects in materials and workmanship. Always consult the product documentation or supplier for exact warranty terms.