2011 Buick Lucerne Oxygen Sensors

Genuine GM oxygen sensors for the 2011 Buick Lucerne, at wholesale prices. Sensor part numbers differ by bank and by upstream or downstream position, and the connectors are not interchangeable. G-body full-size sedan that replaced the LeSabre and Park Avenue, offered with the Northstar V8.

Symptoms to look for

A check engine light with a fuel trim or catalyst efficiency code. On a full-size car, trim and package content split these part numbers in ways a diagram will not show.

What you get ordering from us

• Factory sourced. These oxygen sensors are built to GM's own drawing by the supplier GM contracted.
• No guessing. Our VIN lookup resolves the near-identical oxygen sensors numbers for you.
• Ships from Dallas. Oxygen Sensors ordered by 3pm Central go out the same business day.
• Straightforward returns. No restocking games on oxygen sensors that did not fit.

Ordering correctly

Aftermarket versions are often close enough to install and far enough off to cause a repeat repair. Option packages divide this catalog more than model years do. Send the VIN and skip the problem. Our Dallas location means most of the country is inside a two or three day ground window.