(Fitment) -- PHILTOP Belt Tensioner with Pulley Replacement For Tundra 2005-2010, FJ Cruiser 2007-2009, Tacoma 2005-2015, 4Runner 2003-2009 (OE Reference Number) -- 38411, 49416, Manufactured using the same or improved technology and quality materials as the original equipment manufacturer (OEM) components to ensure a factory match (Labyrinth Seal Protection) -- PHILTOP automatic drive belt tensioner assembly with pulley adopts labyrinth seal to protect internal components, meeting or exceeding the service life requirements of the original manufacturer (Long service life) -- The damping system tested hundreds of times absorbs extreme vibration to improve the life of the tensioner as well as belts and accessories (Strong stability) -- Torsion round spring design used in PHILTOP tensioner provides reliable and stable tension PHILTOP Automatic Drive Belt Tensioner with Pulley Assembly Product Information Reference : OE: 38411 49416 TIPS: Use the "Amazonconfirmedfit" in the upper left corner of the link to confirm the year/make/model of the vehicle you are purchasing before making your purchase. Fitment: Tundra 2005-2010 4.0L4Runner 2003-2009 4.0LFJ Cruiser 2007-2009 4.0LTacoma 2005-2015 4.0L Why choose PHILTOP Belt Tensioner with Pulley?