Bosch Oxygen Sensor P/N:16473
Bosch 15386 oxygen sensor for the 2006-2008 Mazda 6 4-cylinder 2.3L reads the oxygen level in the exhaust so the ECU can adjust the air-fuel ratio. This Bosch O2 sensor is a heated, narrow-band, switching-type unit.
A check engine light, worse fuel economy or rough running can mean an oxygen sensor is wearing out. A vacuum leak can also throw off the air-fuel reading, so these signs alone do not prove the sensor is the problem.
This downstream oxygen sensor fits the 2006-2008 Mazda 6 4-cylinder 2.3L.
Fit and size
Build and materials
One oxygen sensor with its wiring harness. A mounting bracket is not included. This listing is one sensor, and the 2006-2008 Mazda 6 4-cylinder 2.3L takes one.
Is this Mazda 6 oxygen sensor for the 2006-2008 4-cylinder 2.3L upstream or downstream?
Downstream. Bosch 15386 is a downstream oxygen sensor for the 2006-2008 Mazda 6 4-cylinder 2.3L, and that engine takes one.
Does the Bosch 15386 come with a wiring harness and mounting bracket?
Yes to the wiring harness, no to the mounting bracket. This Bosch 15386 listing is one oxygen sensor with its harness; the bracket is not included.
Is this Bosch premium oxygen sensor narrow-band or wideband?
Narrow-band. It is a heated, switching-type narrow-band oxygen sensor that sends air-fuel-ratio feedback to the ECU.
What thread size and hex does this oxygen sensor have?
The thread is M18 - 1.5 with a 22 mm hex. The sensor measures 21.9 in from the sealing surface to the end of the connector.
Does this oxygen sensor already have anti-seize on the threads?
Yes. Conductive anti-seize is pre-applied to the threads of the Bosch 15386, and the connectors are direct-fit.
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