The Engine Belt Tensioner is specifically designed for use with selected vehicle models including GX470 GS430 4.3L 2000-2011 and Land Prado 4.7L models.It is engineered to fit and perform reliably under normal and demanding conditions. Constructed from metal materials the tensioner is designed to handle engine heat and maintain consistent belt tension for.It is compatible with OEM part numbers 16620-0W101 16620-50011 and 16620-0W100 making it a direct replacement option for ease of installation. This tensioner suits vehicles equipped with 2UZ or 3UZ engine configurations and is intended for straightforward installation without the need for modifications.The design supports proper belt alignment and tension to help ensure smooth engine performance. This product fits models including GX470 4.7L 2001-2009 GS430 4.3L 2000-2011 LS400 4.0L 1989-2000 Land Prado 4.7L 2002-2007 and Sequoia 4.7L 2007 and newer.The product includes one belt tensioner and is designed for fitment and long service life. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.