Cadillac CTS Emission Control Sensors
This page brings together emission control sensors for the Cadillac CTS covering model years 2003–2019, including oxygen sensors, mass air flow sensors, manifold absolute pressure sensors, and more. Pick your Cadillac CTS's year above to narrow the list to emission control sensors with confirmed fitment. Every part shown is checked against our vehicle data.
DENSO 234-9049 Air Fuel Ratio Sensor 4-Wire Heated O2 Sensor
NGK 21556 Oxygen Sensor, Heated Narrowband 4-Wire O2 Sensor, 18mm
Representative Photo, actual item may vary
NGK 21559 Oxygen Sensor, 4-Wire Heated Narrow Band, M18x1.5, 17 in. Harness
NGK 21546 Oxygen Sensor O2 Sensor 4-Wire Heated Narrow Band 18mm
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What's here for your Cadillac CTS
- Oxygen Sensors — direct-fit and universal OE replacement options
- Mass Air Flow Sensors — including remanufactured and new units
- Manifold Absolute Pressure (MAP) Sensors — manifold-mount and kit configurations
- Ignition Knock (Detonation) Sensors
- Air / Fuel Ratio Sensors
The widest selection here comes from Walker Products, DENSO, Delphi, and Standard Motor Products, covering a broad range of fitments across the Cadillac CTS's 2003–2019 production run. Other categories Cadillac CTS owners shop for: Cadillac CTS Brake Rotors and Drums, Cadillac CTS Brake Pads and Shoes and Cadillac CTS Springs and Suspension Parts, or browse all Cadillac CTS parts and accessories.
Parts Cadillac CTS owners have ordered here include the Bosch 16379 Oxygen Sensor - 4-Wire Heated O2 Sensor.