Rear Oxygen Sensor for 2001-2005 Honda Civic & More - Walker 350-34528

Walker Products 350-34528 rear oxygen sensor for the 2001-2005 Honda Civic 4-cylinder 1.7L and other vehicles reads the oxygen left in the exhaust gas and reports it to the engine computer. This Walker Products oxygen sensor is made for its specific application and fitment position, and it gives the ECU the diagnostic feedback it expects.

• Narrow-band design with 4 wires
• Measures exhaust oxygen to fine-tune the air-fuel mixture and support fuel economy
• Monitors exhaust gases to help reduce pollutants
• Electrodes made with a gas-permeable platinum layer
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates

Quick facts

• Part: Walker Products 350-34528 oxygen sensor
• Fits: 2001-2005 Honda Civic 4-cylinder 1.7L and other vehicles
• Position: Upstream, downstream, downstream rear
• 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. A damaged wiring harness or connector can be behind those signs too, so look for the cause before you buy a sensor.

Fits

It is listed for a wide range of Honda, Acura and Isuzu models. For a 2001-2005 Honda Civic O2 sensor with the 4-cylinder 1.7L, this is a direct-fit part. It is also listed for the 1996-1997 Honda Odyssey 4-cylinder 2.2L and the 1998 Odyssey 4-cylinder 2.3L, and for the 2000-2003 Honda S2000 4-cylinder 2.0L and the 2004-2005 S2000 4-cylinder 2.2L. One sensor goes on each car named here, and this listing is a single sensor. If your car is not named, look up its year and engine in the "Vehicles it fits" section.

Specifications