Oxygen Sensor for 1997-1998 Cadillac Catera - Walker 250-24342

Walker Products 250-24342 oxygen sensor for the 1997-1998 Cadillac Catera V6 3.0L measures the oxygen in the exhaust gas to monitor the air-fuel ratio. The amount of oxygen it reads indicates combustion efficiency.

• Narrow-band oxygen sensor with a 4-wire design
• Electrode coating guards against contamination and erosion from combustion residue and particulates in the exhaust gas
• Gas-permeable platinum layer on the electrodes
• Oxygen readings let the engine computer fine-tune the air-fuel mixture to help support fuel economy
• Exhaust gas monitoring helps reduce pollutants

Quick facts

• Part: Walker Products 250-24342 oxygen sensor
• Fits: the 1997-1998 Cadillac Catera V6 3.0L
• Position: Upstream left, upstream right
• Condition: New

A failing sensor can make the engine run poorly, raise fuel consumption or exhaust emissions, or turn on the check engine light. Those signs alone do not prove the sensor is at fault, since a damaged wiring harness or connector is another common cause. This listing is one sensor; the 1997-1998 Cadillac Catera V6 3.0L takes one in each upstream position, left and right.

Fits

This oxygen sensor is a direct-fit replacement for the 1997-1998 Cadillac Catera V6 3.0L.

Specifications