BOSCH 12014 Premium OE Fitment Oxygen Sensor - Direct-Fit for Select AM General, AMC, Buick, Cadillac, Chevrolet, GMC, Isuzu, Jeep, Oldsmobile, Pontiac, Renault, Suzuki

Overview

Meet the BOSCH 12014 Premium OE Fitment Oxygen Sensor, built on Bosch's long history of sensor innovation. Since the late 1960s, Bosch has advanced how engines track exhaust chemistry, helping vehicles respond to fuel and air mixtures with precision. The 12014 model is designed for direct-fit replacement on select AM General, AMC, Buick, Cadillac, Chevrolet, GMC, Isuzu, Jeep, Oldsmobile, Pontiac, Renault, and Suzuki applications.

What makes it stand out

Each sensor undergoes factory testing, and you’ll notice a distinctive seared appearance on the protection tube that signals quality control. The exclusive double laser-welded stainless steel body is fully submersible and sealed to resist moisture and contaminants that travel through exhaust streams, supporting a longer service life.

• Innovative technology developed over decades, delivering reliable, consistent sensor performance.
• Factory-tested build with a seared protection tube as a quality indicator.
• Stainless steel body with double laser welding for durability against exhaust exposure.
• Fast-acting heater that enables quick warm-up on Planar and 3, 4, and 5 wire sensors, reaching operating temperature in seconds.
• True direct-fit OE connectors and harnesses, plus anti-seize coated threads for easy installation.

Direct-fit and installation ease

Out of the box, you receive a sensor prepared for installation on compatible vehicles. The direct-fit plugs align with your vehicle’s harness, and the threads are coated with anti-seize compound to help you install without fuss, reducing the likelihood of seizing in the future.

Fitment and use cases

The 12014 is designed for select 1980–1999 AM General, AMC, Buick, Cadillac, Chevrolet, GMC, Isuzu, Jeep, Oldsmobile, Pontiac, Renault, and Suzuki models. Always verify fit with your vehicle’s fit checker and review any model-specific notes from Bosch.

Maintenance and potential benefits

Replacing oxygen sensors at the vehicle manufacturer’s recommended intervals can help maintain engine control, support efficient combustion, and potentially lower fuel use and exhaust emissions. A well-serviced sensor also helps your vehicle run smoothly as it ages.