The Aisin TKT006 Genuine Engine Timing Belt Kit & Water Pump is a high-quality timing kit specifically designed for Toyota and Lexus vehicles with 1mzfe and 3mzfe engines. This kit includes a water pump, timing belt, and timing belt idler and pulley providing all the necessary components for a complete engine timing system replacement. Please be advised this kit does NOT include the hydraulic tensioner; for the kit with the tensioner included, please look for part# TKT026 in our store.