Bosch Oxygen Sensor P/N:16809
Bosch 13508 oxygen sensor for the 1992-1993 Audi 100 Quattro V6 2.8L and other vehicles measures oxygen in the exhaust and reports it to the engine computer. This upstream sensor helps the ECU hold combustion stable and helps reduce emissions.
A worn sensor can show up as a check engine light, a failed emissions test or poorer fuel economy, though other faults cause the same signs. Before replacing it, look over the sensor's wiring and connector with the engine off and cool for burned or chafed insulation. A shop can test the output.
This oxygen sensor is listed for a wide range of Audi and Yugo models, including the 1993 Audi 90 Quattro V6 2.8L and the 1992 Audi 100 V6 2.8L. Open the "Vehicles it fits" section to check your exact model and engine. This listing is one sensor; the 1992-1993 Audi 100 Quattro V6 2.8L takes two and the 1993 Audi 90 Quattro V6 2.8L takes one.
Fit and size
Build and materials
One oxygen sensor with its wiring harness. A mounting bracket is not included.
Does this Bosch premium oxygen sensor fit the 1993 Audi 90 Quattro V6 2.8L?
Yes. Bosch 13508 is listed for the 1993 Audi 90 Quattro V6 2.8L, which takes one.
Does this Bosch O2 sensor come with its wiring harness?
Yes. The Bosch 13508 includes the wiring harness. A mounting bracket is not included.
What thread size and hex does this upstream oxygen sensor use?
The thread is M18 - 1.5 and the hex size is 22 mm. Length from the sealing surface to the end of the connector is 19.1 in.
What can a failing upstream oxygen sensor look like?
A check engine light, a failed emissions test or poorer fuel economy can go with it, but other faults share these signs. A shop can test the sensor's output with the engine running.
Does the thread on this oxygen sensor need anti-seize added?
No. Conductive anti-seize is already applied to the threads, and the connectors are direct-fit.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.