Bosch 16320 left oxygen sensor for the 2001-2003 Mercedes-Benz CLK320 V6 3.2L and other vehicles sends air-fuel-ratio readings to the engine computer. This heated, switching-type sensor helps the ECU keep combustion stable and helps reduce emissions.
- Narrow-band heated design with an integrated heater element
- Built to withstand exhaust streams up to 1,880°F
- Metal housing and TSP coating that resist vibration, corrosion and contamination
- Reaches operating temperature in under 10 seconds for quick closed-loop control
Quick facts
- Part: Bosch 16320 oxygen sensor
- Fits: 2001-2003 Mercedes-Benz CLK320 V6 3.2L and other vehicles
- Position: Downstream left
- Material: Metal housing
- Condition: New
A check engine light, rough running or lower fuel economy can have several causes, a worn oxygen sensor among them. With the engine off and cool, look over the sensor wiring and connector for cracks, burns or contamination first; if this sensor is the cause, this one replaces it.
Fits
This listing fits the 2001-2003 Mercedes-Benz CLK320 V6 3.2L, the 2001-2003 Mercedes-Benz CLK430 V8 4.3L and the 2001-2002 Mercedes-Benz CLK55 AMG V8 5.5L. It is one sensor for the downstream left position; the 2001-2003 Mercedes-Benz CLK320 V6 3.2L takes one in this spot, and the right side is a separate part.
Specifications
Fit and size
- Position: downstream left
- Quantity per vehicle: 1
- Thread size: M18 - 1.5
- Hex size: 22 mm
- Length (sealing surface to end of connector): 12.6 in
Build and materials
- Type: narrow-band heated, switching-type
- Housing material: metal
- Wiring harness: included
- Condition: new
- Warranty: Bosch 1-year, unlimited-mileage, for non-commercial passenger cars and light trucks
In the box
One oxygen sensor with its wiring harness. A mounting bracket is not included.
Installation notes
- Conductive anti-seize comes pre-applied on the threads.
- Direct-fit connectors are made for quick installation.
Frequently Asked Questions
Is this Mercedes CLK320 oxygen sensor right for a 2001-2003 model with the V6 3.2L?
Yes. Bosch 16320 is the downstream left oxygen sensor for the 2001-2003 Mercedes-Benz CLK320 V6 3.2L, and it is sold as a single sensor.
Does the Bosch 16320 oxygen sensor come with its wiring harness?
Yes. The listing includes the oxygen sensor with its wiring harness. A mounting bracket is not included.
What thread size and wrench size does this Bosch O2 sensor use?
This Bosch 16320 sensor has an M18 - 1.5 thread and a 22 mm hex. Its length from the sealing surface to the end of the connector is 12.6 in.
Does this Bosch premium oxygen sensor come with a warranty?
Yes. Bosch backs this sensor with a 1-year, unlimited-mileage warranty for non-commercial passenger cars and light trucks.
How quickly does this heated oxygen sensor reach operating temperature?
It reaches operating temperature in under 10 seconds. That gives the ECU a signal quickly, so closed-loop control can start sooner on a cold start.
