Bosch 13027 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Chevrolet and GMC Vehicles

The Bosch Engineered Oxygen Sensor 13027 is designed specifically for select Chevrolet and GMC models, including the Silverado 2500, Tahoe, Yukon XL 2500, and more. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Specific fit for Chevrolet and GMC trucks and SUVs
• Heated narrow-band oxygen sensor for precise air-fuel mixture readings
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• 12.4-inch wiring harness length with 4-pin female connector
• Durable metal housing with steel finish and 0.22 lb weight
• Includes wiring harness for straightforward installation

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering reliable emission control components tailored to specific vehicle applications. The 13027 oxygen sensor is engineered to meet OEM specifications, providing a standard replacement option that maintains proper engine management and emission standards for Chevrolet and GMC trucks and SUVs.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated sensor type, which allows for faster sensor response and improved fuel efficiency. The sensor has a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size for easy installation. The wiring harness is 12.4 inches long and includes four wires with a female oblong connector, ensuring compatibility with the vehicle's existing wiring system. The sensor's overall length is 16.1 inches, with a sealing surface to connector length of 14.9 inches. Constructed with a metal housing and steel finish, this sensor is built to withstand typical engine bay conditions.

Compatible Vehicles and Applications

• Chevrolet C1500, C1500 Suburban, C2500, C2500 Suburban, C3500
• Chevrolet Express 2500, Express 3500, Silverado 2500, Suburban 2500, Tahoe
• GMC K1500, K1500 Suburban, K2500, K2500 Suburban, K3500
• GMC P30, P3500, Savana 2500, Savana 3500, Sierra 2500, Yukon, Yukon XL 2500

Common Issues Addressed by This Oxygen Sensor

• 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 failure

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Bosch 13027 sensor into place using a 22 mm wrench. Ensure the wiring harness is properly connected to the female oblong connector with four terminals. The sensor’s heated design allows it to reach operating temperature quickly, so verify all connections are secure before starting the engine. No mounting bracket is included, so use the existing mounting location on the vehicle.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 13027 is manufactured to meet OEM standards for fit, form, and function. It is a standard replacement part designed to maintain emission control system integrity. Bosch provides quality assurance on this sensor, ensuring reliable operation when installed according to vehicle specifications.