Bosch Oxygen Sensor P/N:16809
Bosch 13250 oxygen sensor for the 1998 Subaru Forester H4 2.5L and other vehicles sends air-fuel-ratio readings to the ECU. This Bosch O2 sensor is a narrow-band, switching-type design that helps the ECU keep combustion stable.
A check engine light, rough idle or poor fuel economy can mean an oxygen sensor is wearing out, though other faults give the same signs. Before you replace it, rule out an exhaust leak near the sensor, damaged wiring or a loose connector, then fit this one if the sensor is the cause.
It is listed as an oxygen sensor for a wide range of Subaru models, including the 1993-1995 Subaru Impreza H4 1.8L and the 1990-1994 Subaru Legacy H4 2.2L. This listing is one sensor, and each of the Subaru models named on this page takes one.
Fit and size
Build and materials
One oxygen sensor with its wiring harness. A mounting bracket is not included.
Is this oxygen sensor the right one for the 1998 Subaru Forester H4 2.5L?
Yes. Bosch 13250 is listed for the 1998 Subaru Forester H4 2.5L and for other Subaru models. For a different car, look up its year and engine in the "Vehicles it fits" section.
Is this Bosch premium oxygen sensor heated?
Yes. Bosch 13250 is a heated, narrow-band, switching-type sensor with an integrated heater element.
Does this oxygen sensor include a wiring harness?
Yes. The wiring harness comes with the sensor. A mounting bracket is not included.
What thread size and hex size does this oxygen sensor have?
This 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 17.7 in.
Does this oxygen sensor come with anti-seize on the threads?
Yes. Conductive anti-seize is pre-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.