2004 Lexus GX470 Q&A
2004 Lexus GX470 Question: How much should it cost to replace an O2 sensor?
Your Lexus has 3-4 Oxygen Sensors at least. The front ones are a special type called Air Fuel Sensors and can be pricey. The front ones run about $411 each and the rear one runs about $217 parts and labor. So make sure that you know which one to replace. here are some shops: https://repairpal.com/directory?address=70458&car_brand_names=Lexus - dandd