Bosch 13026 Oxygen Sensor - Upstream

Overview of Bosch Engineered Oxygen Sensor 13026

The Bosch Engineered Oxygen Sensor 13026 is designed for precise emission control in select GM and Isuzu vehicles. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Specific fit for Cadillac, Chevrolet, GMC, and Isuzu models
• Heated narrow-band oxygen sensor with 4-wire design
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes 12.1-inch wiring harness with oblong male connector
• Durable metal housing finished in steel for long-lasting use

Detailed Product Features and Specifications

This Bosch Engineered Oxygen Sensor 13026 features a 4-wire heated design that allows for faster sensor warm-up and improved accuracy in measuring oxygen levels in the exhaust stream. The sensor is a narrow-band type, suitable for standard replacement applications. It comes with a 12.1-inch wiring harness and an oblong male connector with blade terminals, ensuring a secure and specific fit. The sensor’s threaded mounting type uses an 18 mm thread diameter and 22 mm hex size for installation compatibility. The overall length of the sensor is 15.8 inches, with a sealing surface to connector length of 14.6 inches, making it suitable for the specified vehicle models.

Compatible Vehicles and Applications

This oxygen sensor is compatible with a range of vehicles including Cadillac Escalade, Chevrolet Avalanche 1500, Silverado 1500 and 2500, Suburban 1500, Tahoe, GMC Sierra 1500 and 2500, Yukon, Yukon XL 1500, and Isuzu Rodeo and Rodeo Sport. The part number 13026 is designed to meet the specific fitment requirements of these models, ensuring proper function and emission control.

Common Issues Addressed by Oxygen Sensor 13026

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor accuracy

Installation Notes and Tips

When installing the Bosch Engineered Oxygen Sensor 13026, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness length and connector type match the vehicle’s original sensor to avoid electrical issues. Thread the sensor carefully to prevent cross-threading and torque to manufacturer specifications. No mounting bracket is included, so use the existing mounting point on the exhaust system.

Quality Assurance and Warranty

Bosch Engineered Oxygen Sensors are manufactured to meet OEM standards for durability and performance. This sensor features a metal housing and heated element for reliable operation under harsh conditions. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control sensors. Refer to Bosch or vehicle manufacturer documentation for exact warranty terms.