Oxygen Sensor for 1998-1999 Subaru Forester & More - Walker 350-33102

Walker Products 350-33102 oxygen sensor for the 1998-1999 Subaru Forester H4 2.5L and other vehicles measures the oxygen in the exhaust gas.

• Three-wire narrow-band oxygen sensor design
• Electrodes coated with a gas-permeable platinum layer
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust gases
• Oxygen readings help fine-tune the air-fuel mixture and monitor combustion efficiency
• Made for its specific application and fitment position, with the diagnostic feedback the ECU requires

Quick facts

• Part: Walker Products 350-33102 oxygen sensor
• Fits: 1998-1999 Subaru Forester H4 2.5L and other vehicles
• Position: Upstream, downstream
• Condition: New

A failing sensor can show up as a rough-running engine, higher fuel use, more exhaust emissions or a lit malfunction indicator light, and each of those can have other causes. With the engine off and cool, look over the sensor, its wiring harness and the connector for physical damage before you replace anything.

Fits

This listing is one sensor, and the 1998-1999 Subaru Forester H4 2.5L takes one. It also works as an oxygen sensor for the 1995-1999 Subaru Legacy H4 2.2L and the 1996-1999 Legacy H4 2.5L, and as an oxygen sensor for the 1998-1999 Subaru Impreza H4 2.2L or 2.5L, with one sensor per application.

Specifications