Oxygen Sensor for 1998-1999 Volkswagen Passat & More - Walker 350-34205

Walker Products 350-34205 oxygen sensor for the 1998-1999 Volkswagen Passat 4-cylinder 1.8L and other vehicles reads the oxygen in the exhaust gas to show how efficiently the engine burns fuel. Each part number is made for its specific application and fitment position, and it gives the ECU the diagnostic feedback it expects.

• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust gases
• Oxygen readings let the engine fine-tune the air-fuel mixture, which helps fuel economy
• Electrodes with a gas-permeable platinum layer
• Monitors the exhaust gases and the air fuel ratio to track combustion efficiency
• Narrow-band sensor with 4 wires

Quick facts

• Part: Walker Products 350-34205 oxygen sensor
• Fits: 1998-1999 Volkswagen Passat 4-cylinder 1.8L and other vehicles
• Position: upstream, downstream, downstream left, downstream right
• Condition: New

A rough-running engine, higher fuel use, more exhaust emissions or a lit check engine light can mean this sensor is worn, though a damaged wiring harness or connector can sit behind the same signs. This listing is one sensor, and the quantity listed for each vehicle is one.

Fits

Other vehicles it fits include the 2004-2010 Volkswagen Pointer Truck 4-cylinder 1.8L, the 2001-2003 Volkswagen Pointer 4-cylinder 2.0L and the 2004-2009 Pointer 4-cylinder 1.8L.

Specifications