Bosch Oxygen Sensor P/N:13644
Bosch 13732 oxygen sensor for the 2002-2005 Lexus IS300 6-cylinder 3.0L sends air-fuel-ratio readings from the exhaust to the ECU. This Bosch O2 sensor is a switching-type unit that helps the ECU keep combustion stable and emissions down.
A check engine light, rough running or poorer fuel economy can mean an oxygen sensor is wearing out. None of these alone proves this sensor is the problem, since an exhaust leak ahead of the sensor can also skew its readings.
This downstream oxygen sensor is a direct-fit replacement for the 2002-2005 Lexus IS300 6-cylinder 3.0L.
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 vehicle takes one.
Is this a 2002-2005 Lexus IS300 oxygen sensor for the 6-cylinder 3.0L engine?
Yes. Bosch 13732 is a downstream oxygen sensor for the 2002-2005 Lexus IS300 6-cylinder 3.0L, which takes one.
Does this downstream oxygen sensor come with its wiring harness?
Yes, the wiring harness is included. A mounting bracket is not included.
Is this a Bosch premium oxygen sensor with a heater?
Yes. Bosch 13732 is a heated, narrow-band switching-type sensor with an integrated heater element, and it reaches operating temperature in under 10 seconds.
What thread size and hex does this oxygen sensor have?
It has an M18 - 1.5 thread and a 22 mm hex. The length from the sealing surface to the end of the connector is 27.2 in.
Is anti-seize already applied to this oxygen sensor's threads?
Yes. Conductive anti-seize is pre-applied to the threads, and the connectors are direct-fit for quick installation.
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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.