Oxygen Sensor for 2004-2011 Saab 9-3 & More - Walker 250-24841

Walker Products 250-24841 oxygen sensor for the 2004-2011 Saab 9-3 4-cylinder 2.0L and other vehicles measures the oxygen in the exhaust gas. That reading shows combustion efficiency and gives the ECU the diagnostic feedback it expects.

• Measures oxygen levels to help fine-tune the air-fuel mixture and support fuel economy
• Monitors exhaust gases to help reduce pollutants
• Electrodes coated with a gas-permeable platinum layer
• Electrode coating prevents contamination and erosion of the electrode surfaces by combustion residue and particulates in the exhaust gases
• Narrow-band, 4-wire direct-fit design

Quick facts

• Part: Walker Products 250-24841 oxygen sensor
• Fits: 2004-2011 Saab 9-3 4-cylinder 2.0L and other vehicles
• Position: upstream, upstream left, upstream right, downstream left, downstream right
• Condition: New

A failing sensor can show up as rough running, higher fuel use, more exhaust emissions or a lit malfunction indicator light. Before you replace it, look over the wiring harness and connector for physical damage, since a damaged harness or connector may be behind the symptom and can shorten a sensor's life.

Fits

This sensor fits the 2004-2011 Saab 9-3 4-cylinder 2.0L, the 2010-2011 Saab 9-3X 4-cylinder 2.0L, the 2002-2005 Porsche 911 H6 3.6L and the 2005 911 H6 3.8L. Walker builds each part number as a replacement for the original equipment, made for its specific application and fitment position. This listing is one sensor, and the 2004-2011 Saab 9-3 4-cylinder 2.0L takes one.

Specifications