Oxygen Sensor for 2000-2004 Volvo S40 & More - Walker 350-34170

Walker Products 350-34170 oxygen sensor for the 2000-2004 Volvo S40 4-cylinder 1.9L and other vehicles measures the oxygen in the exhaust gas to show how efficiently the engine burns fuel. It gives the ECU the diagnostic feedback it needs from that downstream position.

• Four-wire narrow-band design
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Measures oxygen levels to help fine-tune the air-fuel mixture for fuel economy
• Monitors the exhaust gases to help reduce pollutants
• Electrodes coated with a gas-permeable platinum layer

Quick facts

• Part: Walker Products 350-34170 oxygen sensor
• Fits: the 2000-2004 Volvo S40 4-cylinder 1.9L and other vehicles
• Position: Downstream
• Condition: New

A failing sensor can show up as rough running, higher fuel consumption, more exhaust emissions or a lit malfunction indicator light. A damaged wiring harness or connector can be behind these signs too, so with the engine off and cool, look both over for physical damage and find the cause before buying a sensor.

Fits

Each part number is made for a specific application and fitment position. This one is a direct-fit replacement for the 2000-2004 Volvo S40 4-cylinder 1.9L and the 2000-2004 Volvo V40 4-cylinder 1.9L.

Specifications

In the box

One oxygen sensor. This listing is one sensor, and each of these cars takes one.