O2 oxygen sensor (19209814) 12574218 for a 2005-2009 Buick Lacrosse and 2004-2008 Pontiac Grand Prix 3.8L and others.
This sensor is designed only for the 3.8L motor. This sensor also fits the vehicles listed below in the Fits section.
Verify fitment with your GM dealer, or by matching up part number before purchase
Please note: This product is not eligible for return. All sales final on electrical parts. Refer to our Return Policies for more details.
It is the responsibility of the buyer to verify fitment prior to purchase.
Please refer to the part number on the part to be replaced/contact your GM dealer with your VIN and the part number in question to ensure accurate application.
OEM stands for Original Equipment Manufacturer. Carrying OEM parts means that we carry parts that were used by your vehicle's manufacturer in the first place. You can be sure our parts will work for your car, because we sell the parts that were used to make your car!
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The right part for the right auto! 
