Bosch 12014 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Emission Control Systems

The Bosch Engineered Oxygen Sensor 12014 is designed to provide accurate air-fuel mixture readings for optimal engine performance and emissions control. This specific fit oxygen sensor is compatible with a wide range of GM and other makes, ensuring precise monitoring and efficient operation.

• Wiring harness length: 12 inches for easy connection
• Blade terminal type with one terminal for secure electrical contact
• Specific fit for select Buick, Cadillac, Chevrolet, GMC, Jeep, and other models
• Standard replacement grade for reliable performance
• Round connector shape with male connector and female terminal
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Non-heated narrow-band oxygen sensor for accurate emissions data
• Metal housing with steel finish for durability
• Overall length of 15.7 inches including wiring harness
• Wiring harness included for straightforward installation

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise and reliable sensors tailored for specific vehicle applications. The 12014 part number is part of this line, offering a narrow-band, non-heated oxygen sensor designed to meet OEM specifications. This ensures compatibility and consistent performance across various GM and other compatible models.

Product Details and Specifications

This oxygen sensor features a 12-inch wiring harness and a single wire with a blade terminal, designed for specific fitment rather than universal use. The sensor is threaded with an 18 mm diameter and includes a 22 mm hex size for installation with standard tools. Its metal housing and steel finish provide durability under typical engine bay conditions. The sensor is non-heated and narrow-band, suitable for vehicles requiring this sensor type for emission control.

Compatible Vehicles and Applications

• Buick models including Century, LeSabre, and Regal
• Cadillac models such as DeVille and Eldorado
• Chevrolet vehicles including Camaro, Impala, and Silverado series
• GMC trucks and SUVs like Sierra and Yukon
• Jeep models including Cherokee and Wrangler
• Other makes like Oldsmobile, Pontiac, Suzuki, Geo, and Isuzu

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture data
• Increased emissions and failed emissions tests
• Engine performance problems such as rough idling or hesitation
• Malfunctioning catalytic converter caused by sensor failure

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use a 22 mm oxygen sensor socket or wrench for removal and installation. Verify the sensor thread size (18 mm) matches the vehicle’s exhaust port. The wiring harness length of 12 inches allows for proper routing without strain. Confirm the connector shape and terminal types match the vehicle’s wiring harness for a secure connection.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 12014 is manufactured to meet OEM standards for fit, form, and function. It undergoes rigorous testing to ensure durability and accurate sensor readings. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship.