One Year Unlimited Mileage Quality Guarantee.Before buying, check the [amazonconfirmedfit] check (Make, model, year, engine, Note,The engine and Note in particular) at the top of the link to see if your car can be used.
B1S1="Bank1 Sensor1","B2S1"="Bank2 Sensor1"
[Upstream(B1S1) Replacement parts]: Fit 2015-2021 Lexus NX300H L4 2.5L;
[Upstream(B1S1 or B2S1) Replacement parts]: Fit 2002-2003 Lexus ES300 V6 3.0L; Fit 2004-2006 Lexus ES330 V6 3.3L; Fit 2004-2006 Lexus RX330 V6 3.3L; Fit 2006-2008 Lexus RX400H V6 3.3L; Fit 2010 Toyota 4Runner L4 2.7L; Fit 2003-2004 Toyota 4Runner V6 4.0L; Fit 2004-2007 Toyota Highlander V6 3.3L;