Oxygen Sensor for 1995-1998 Subaru Legacy & More - Bosch 13445

Bosch 13445 oxygen sensor for the 1995-1998 Subaru Legacy H4 2.2L, the 1996-1998 Legacy H4 2.5L and other vehicles measures the air-fuel ratio in the exhaust and reports it to the ECU. It helps the engine control unit keep combustion stable and reduce emissions.

• Switching-type, narrow-band sensor with an integrated heater element
• Built to withstand exhaust streams up to 1,880°F
• Metal housing with TSP coating to resist vibration, corrosion and contamination
• Reaches operating temperature in under 10 seconds, so the ECU gets a signal quickly for closed-loop control

Quick facts

• Part: Bosch 13445 oxygen sensor
• Fits: the 1995-1998 Subaru Legacy H4 2.2L, the 1996-1998 Legacy H4 2.5L and other vehicles
• Position: Upstream, downstream
• Material: Metal (housing)
• Condition: New

A worn oxygen sensor can show up as a check engine light, poorer fuel economy or a rough idle. These signs alone do not prove the sensor is at fault, since a vacuum leak can cause similar symptoms. If this sensor is the cause, this one replaces it.

Fits

Besides the Legacy named above, it fits as an oxygen sensor for the 1995-1997 Subaru Impreza H4 2.2L and the 1996-1997 Impreza H4 1.8L.

Specifications

In the box

One oxygen sensor with its wiring harness. A mounting bracket is not included. The fitment lists one sensor per vehicle, and this listing is that one sensor.

Installation notes

• Conductive anti-seize comes pre-applied to the threads.
• The connectors are direct-fit for quick installation.