Oxygen Sensor for 2003-2004 Cadillac CTS - Bosch 16379

Bosch 16379 oxygen sensor for the 2003-2004 Cadillac CTS V6 3.2L measures oxygen in the exhaust and reports it to the ECU. This Bosch O2 sensor is a heated, narrow-band unit for the downstream position.

• Gives the ECU air-fuel-ratio feedback for combustion control and lower emissions
• Reaches operating temperature in under 10 seconds for quick closed-loop control and cold-start performance
• Metal housing with an integrated heater element and TSP coating to resist vibration, corrosion and contamination
• Built to withstand exhaust streams up to 1,880 °F

Quick facts

• Part: Bosch 16379 oxygen sensor
• Fits: 2003-2004 Cadillac CTS V6 3.2L
• Position: Downstream
• Material: Metal housing
• Condition: New

A warning light, higher fuel use or a failed emissions test can mean an oxygen sensor is wearing out. These signs alone don't prove this sensor is the problem, since an exhaust leak near it can give similar readings.

Fits

This is an oxygen sensor for the 2003-2004 Cadillac CTS V6 3.2L. This listing is one sensor; the 2003-2004 Cadillac CTS V6 3.2L takes two.

Specifications

In the box

One oxygen sensor with its wiring harness. A mounting bracket is not included.

Installation notes

• Conductive anti-seize is pre-applied to the threads.
• The connector is a direct-fit design made for quick installation.