Bosch Oxygen Sensor P/N:17250
Bosch 15665 oxygen sensor for the 2003-2004 Nissan Pathfinder V6 3.5L and other vehicles reads exhaust oxygen and reports the air-fuel ratio to the ECU.
A check engine light, a rough idle or lower fuel economy can mean an oxygen sensor is worn. Exhaust leaks, engine misfires or a damaged sensor connector can also be behind those signs, so find out which it is before you buy a sensor.
This sensor fits the 2003-2004 Nissan Pathfinder V6 3.5L, the 2002-2006 Infiniti Q45 V8 4.5L and the 2003-2006 Infiniti FX45 V8 4.5L, in an upstream left or upstream right position. This listing is one sensor, and the fitment calls for one per application. Open the "Vehicles it fits" section to check your exact model and engine.
Fit and size
Build and materials
One oxygen sensor with its wiring harness. A mounting bracket is not included.
Is this the right oxygen sensor for the 2003-2004 Nissan Pathfinder V6 3.5L?
Yes. Bosch 15665 is listed for the 2003-2004 Nissan Pathfinder V6 3.5L in an upstream left or upstream right position, with a quantity of one per application.
Will this oxygen sensor fit the 2002-2006 Infiniti Q45 V8 4.5L?
Yes. The 2002-2006 Infiniti Q45 V8 4.5L is in the fitment for this sensor, with one sensor per application. Use the "Vehicles it fits" section to check other models.
What thread size does this Bosch O2 sensor have?
Bosch 15665 has an M18 - 1.5 thread and a 22 mm hex. Its length from the sealing surface to the end of the connector is 20.5 in.
Is this Bosch premium oxygen sensor heated?
Yes. This sensor is heated, with an integrated heater element, and it reaches operating temperature in under 10 seconds.
Does this oxygen sensor include a wiring harness and mounting bracket?
No, only the wiring harness is included; a mounting bracket is not.
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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.