Oxygen Sensor for 2005-2008 Buick LaCrosse & More - Walker 250-25002

Walker Products 250-25002 oxygen sensor for the 2005-2008 Buick LaCrosse V6 3.6L and other vehicles measures the oxygen in the exhaust gas. This Walker Products oxygen sensor is a 5-W wide-band unit.

• Monitors exhaust gases and reduces pollutants for a cleaner environment
• Electrodes made of a gas-permeable platinum layer
• Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
• Determines the oxygen content of the exhaust gas to monitor the air-fuel ratio for combustion efficiency
• Made for a specific application and sensor position, with the diagnostic feedback the ECU needs

Quick facts

• Part: Walker Products 250-25002 oxygen sensor
• Fits: 2005-2008 Buick LaCrosse V6 3.6L and other vehicles
• Position: Upstream, upstream left, upstream right
• 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 look both over for physical damage and find the cause before buying a sensor.

Fits

As an upstream oxygen sensor engineered as a replacement for original equipment, it fits the 2005-2008 Buick LaCrosse V6 3.6L, the 2005-2008 Buick Allure V6 3.6L and the 2005-2007 Audi A8 Quattro W12 6.0L. Your car not named here? Find its year and engine in the "Vehicles it fits" section.

Specifications

In the box

One oxygen sensor; the fitment calls for one per vehicle.