Bosch 13111 Oxygen Sensor - Downstream

Overview of Bosch Engineered Oxygen Sensor 13111

The Bosch Engineered Oxygen Sensor 13111 is designed for precise emission control in select Chevrolet, Oldsmobile, Pontiac, and Saturn vehicles. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Specific fit for Chevrolet Alero, Corvette, Malibu, Oldsmobile Cutlass, Pontiac Grand Am, and Saturn L100, L200, LS, LS1, LW1, LW200 models
• Heated narrow-band oxygen sensor with threaded mounting
• 47.9-inch wiring harness length with 4-pin male connector
• Standard replacement grade with metal housing and steel finish
• Connector features a square shape with female terminals
• Overall length of 51.6 inches and 22 mm hex size for installation

Features and Specifications

The Bosch Engineered Oxygen Sensor 13111 includes a 4-wire configuration with a 4-pin terminal type, designed for specific vehicle applications. The sensor is heated to provide faster response times and improved accuracy under various operating conditions. Its metal housing and steel finish offer durability and resistance to harsh engine environments. The threaded mounting type with an 18 mm thread diameter ensures secure installation. The wiring harness is included, measuring 47.9 inches in length, allowing for proper connection without modification.

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor product line focuses on delivering reliable emission control components engineered to meet or exceed OEM specifications. This line emphasizes precise sensor technology, durability, and compatibility with specific vehicle models. The 13111 sensor is part of this line, providing a direct replacement solution for select GM vehicles requiring narrow-band heated oxygen sensors.

Applications and Problem Resolution

• Restores accurate air-fuel ratio readings for improved engine efficiency
• Helps resolve check engine light issues related to oxygen sensor faults
• Supports emission system compliance by monitoring exhaust gases
• Reduces rough idling and engine hesitation caused by faulty sensors
• Prevents increased fuel consumption due to incorrect sensor data

Installation Notes and Tips

Installation requires removal of the old oxygen sensor and threading the Bosch 13111 sensor into the exhaust manifold or pipe. Use a 22 mm oxygen sensor socket for proper tightening. Ensure the wiring harness is connected securely to the vehicle’s harness using the included 4-pin male connector. Avoid damaging the sensor wiring during installation and verify the sensor orientation matches the original part. No mounting bracket is included, so use the existing mounting points.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 13111 is manufactured to meet strict quality standards for emission control sensors. It features a durable metal housing and heated sensor element for reliable operation. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship. Refer to Bosch or the vehicle manufacturer for exact warranty terms.