Bosch 16746 right oxygen sensor for the 2005-2007 Cadillac CTS V6 2.8L, the 2005-2009 CTS V6 3.6L and other vehicles sends air-fuel-ratio measurements to the ECU. This Bosch premium oxygen sensor is a heated, narrow-band switching type.
- Narrow-band, switching-type sensor with an integrated heater element
- Metal housing and TSP coating resist vibration, corrosion and contamination
- Withstands exhaust streams up to 1,880°F
- Reaches operating temperature in under 10 seconds for quick closed-loop control
- Ceramic element and optimized heater control for steady readings under heat and vibration
Quick facts
- Part: Bosch 16746 oxygen sensor
- Fits: 2005-2007 Cadillac CTS V6 2.8L, the 2005-2009 CTS V6 3.6L and other vehicles
- Position: Downstream, downstream right
- Material: Metal housing
- Condition: New
A worn oxygen sensor can show up as a check engine light, poorer fuel economy or rough running. Before you replace the sensor, rule out an exhaust leak near it, damaged wiring and a loose connector, which can set similar codes.
Fits
This listing is one sensor for the right side; the left side is a separate part, and where a car takes two there is one on each side. It fits the 2005-2007 Cadillac CTS V6 2.8L and the 2005-2009 CTS V6 3.6L, as an oxygen sensor for the 2005-2006 Cadillac STS V8 4.6L and the 2005-2009 STS V6 3.6L, and for the 2005-2006 Cadillac SRX V8 4.6L and the 2005-2009 SRX V6 3.6L.
Specifications
Fit and size
- Position: Downstream, downstream right
- Quantity per vehicle: varies by vehicle and year
- Thread size: M18 - 1.5
- Hex size: 22 mm
- Length (sealing surface to end of connector): 9.8 in
Build and materials
- Type: Narrow-band, heated, switching-type
- Housing material: Metal
- Coating: TSP coating
- Condition: New
- Warranty: Bosch 1-year, unlimited-mileage warranty for non-commercial passenger cars and light trucks
In the box
One oxygen sensor with its wiring harness. A mounting bracket is not included, and an old bracket may not be reusable.
Installation notes
- Conductive anti-seize is already applied to the threads.
- The direct-fit connector is made for quick installation.
Frequently Asked Questions
Is this oxygen sensor for the 2005-2009 Cadillac CTS V6 3.6L the downstream right one?
Yes. Bosch 16746 is the downstream right oxygen sensor for the 2005-2009 Cadillac CTS V6 3.6L, and the left side takes a separate sensor.
Is this Bosch O2 sensor heated?
Yes. This sensor is a heated, narrow-band switching type with an integrated heater element, and it reaches operating temperature in under 10 seconds.
What thread size and hex size does this oxygen sensor have?
Bosch 16746 has an M18 - 1.5 thread and a 22 mm hex. Its length from the sealing surface to the end of the connector is 9.8 in.
Will this oxygen sensor fit the 2005-2006 Cadillac STS V8 4.6L?
Yes. Bosch 16746 is listed for the 2005-2006 Cadillac STS V8 4.6L and the 2005-2009 STS V6 3.6L, in the downstream right position.
Does the Bosch 16746 come with anti-seize on the threads?
Yes. Conductive anti-seize is pre-applied to the threads, and the direct-fit connector is made for quick installation.
