Oxygen Sensor for 1998 Subaru Forester & More - Walker 350-33087

Walker Products 350-33087 oxygen sensor for the 1998 Subaru Forester H4 2.5L and other vehicles measures the oxygen content of the exhaust gas. Each Walker Products sensor number is made for its own application and fitment position and gives the ECU the diagnostic feedback it requires.

• Electrodes coated with a gas-permeable platinum layer
• Monitors the air-fuel ratio to track combustion efficiency
• Coating guards the electrode surfaces against contamination and erosion from combustion residue and particulates in the exhaust
• Monitors exhaust gases to help reduce pollutants
• Oxygen readings help fine-tune the air-fuel mixture for fuel economy

Quick facts

• Part: Walker Products 350-33087 oxygen sensor
• Fits: 1998 Subaru Forester H4 2.5L and other vehicles
• Position: upstream, downstream
• Condition: New

A rough-running engine, higher fuel consumption, more exhaust emissions or a lit malfunction indicator light can mean the sensor is worn, though damage to the wiring harness or connector can be behind them too, so inspect both before you replace anything.

Fits

This listing is one sensor, and the quantity for each car is one. It is an oxygen sensor for the 1995-1998 Subaru Impreza H4 2.2L, the 1996-1997 Impreza H4 1.8L and the 1998 Impreza H4 2.5L, and an oxygen sensor for the 1995-1998 Subaru Legacy H4 2.2L and the 1996-1998 Legacy H4 2.5L.

Specifications