OKAY MOTOR Upstream Air Fuel Ratio Sensor for 2004-2007 Toyota Sienna 3.3L 3.5L Air Fuel Ratio Sensor for Toyota Sienna 3.3L 3.5L Part #: 89467-08040, 234-9012, 234-9057, 5S4578, 8946760010, LS150029, 8946748080 New Aftermarket Replacement Unit. 180-days Manufacturer Type Warranty Application Guides: Toyota Sienna 2004-2006 3.3L; Toyota Sienna 2007-2010 3.5L