Bosch 16449 Oxygen O2 Sensor for 2012–2019 Acadia, ATS, Enclave, CTS, Caprice, Traverse

The Bosch 16449 Oxygen (O₂) Sensor is engineered to meet or exceed OEM specifications for select GMC, Cadillac, Buick, and Chevrolet vehicles from 2012 to 2019. This sensor measures oxygen levels in the exhaust gases and sends precise data to the engine control unit (ECU) to maintain the correct air-fuel ratio for efficient combustion and emissions control. A faulty oxygen sensor can cause poor fuel economy, increased emissions, rough engine operation, or an illuminated check engine light. Replacing it with the Bosch 16449 restores accurate exhaust readings, improves fuel efficiency, and helps ensure compliance with emissions standards. Built with durable, high-temperature materials, this sensor features a direct-fit, plug-and-play design for reliable installation and long service life. Bosch 16449 Oxygen O₂ Sensor for 2012–2019 Acadia, ATS, Enclave, CTS, Caprice, Traverse Key Features & Benefits Genuine Bosch 16449 Oxygen O2 Sensor Provides accurate air-fuel mixture monitoring Helps restore fuel efficiency and engine performance Reduces harmful exhaust emissions OEM-quality construction for durability and reliability Direct-fit, plug-and-play installation Engine Compatibility Compatible with gasoline engines (engine-specific fitment applies) Vehicle Applications GMC Acadia (2012–2019) Cadillac ATS (2012–2019) Cadillac CTS (2012–2019) Buick Enclave (2012–2019) Chevrolet Caprice (2012–2019) Chevrolet Traverse (2012–2019) Part Number Bosch: 16449 Frequently Asked Questions Q1: Is this an upstream or downstream oxygen sensor? A: Sensor position varies by vehicle. Please verify your application for upstream or downstream placement. Q2: Will this fit my vehicle? A: Bosch 16449 fits select GMC, Cadillac, Buick, and Chevrolet vehicles from 2012–2019. Verify engine and sensor location before ordering. Q3: What are signs of a failing oxygen sensor? A: Check engine light, poor fuel economy, rough idle, and increased emissions. Q4: Is this a genuine Bosch product? A: Yes, this is a genuine Bosch oxygen sensor manufactured to OEM standards. Q5: Is installation difficult? A: No programming is required. It installs directly using factory connectors. SKU: FDP-16449 Categories: Turbo-P, Turbo-s Tags: Bosch 16449, Bosch O2 sensor, Buick oxygen sensor, Cadillac O2 sensor, Chevrolet O2 Sensor, Engine Emissions Sensor, GM Oxygen Sensor, Oxygen Sensor Replacement