Bosch 13256 Oxygen Sensor - Downstream Front, Downstream Left or Upstream

Reliable Oxygen Sensor for Acura, Honda, and Saturn Vehicles

The Bosch Engineered Oxygen Sensor 13256 is designed to provide accurate air-fuel mixture readings for specific Acura, Honda, and Saturn models. This narrow-band heated oxygen sensor ensures optimal engine performance and emission control by delivering precise data to your vehicle's engine management system.

• Specific fit for Acura, Honda, and Saturn models including Accord, CL, MDX, Odyssey, Pilot, Ridgeline, RL, TL, and Vue
• Heated narrow-band oxygen sensor type for faster response times
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size for secure installation
• Includes a 14.8-inch wiring harness with a 4-wire blade terminal and male rectangular connector
• Constructed with durable metal housing and steel finish for long-lasting performance
• Standard replacement grade ensuring reliable emission control

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise and reliable sensors tailored to specific vehicle applications. The 13256 part number is part of this line, offering a narrow-band heated sensor designed to meet OEM specifications for emission control. This ensures compatibility and performance consistency across Acura, Honda, and Saturn models.

Product Details and Specifications

This oxygen sensor features a 4-wire design with a 14.8-inch wiring harness length and a total overall length of 18.5 inches, including a 17.3-inch length from the sealing surface to the end of the connector. The sensor uses a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size for installation. The connector is a male rectangular shape with blade terminals, providing secure electrical connections. The sensor is heated to improve response time and accuracy in measuring exhaust oxygen levels, which is critical for maintaining proper engine function and emissions compliance.

Common Applications and Issues Addressed

• Helps resolve poor fuel economy caused by incorrect air-fuel mixture readings
• Reduces engine performance issues related to faulty oxygen sensors
• Assists in lowering harmful emissions to meet environmental standards
• Prevents check engine light triggers related to oxygen sensor faults
• Supports smooth engine idling and acceleration by providing accurate sensor data

Installation Notes and Tips

Installation requires a threaded mounting hole with an 18 mm diameter. Use a 22 mm oxygen sensor socket or wrench for removal and installation. Ensure the wiring harness is properly connected to the male rectangular connector with blade terminals. Avoid damaging the sensor or wiring during installation. No mounting bracket is included, so verify compatibility with your vehicle’s mounting location. This sensor is a specific fit for Acura, Honda, and Saturn models listed, so confirm part number 13256 matches your vehicle requirements before installation.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 13256 is manufactured to meet OEM standards for durability and performance. It features a metal housing and steel finish to withstand harsh engine conditions. This part is a standard replacement grade sensor designed for reliable emission control. Warranty coverage details should be confirmed with the original parts provider or Bosch documentation.