Tacoma Tundra T-100 5VZ 3.4L Timing Belt Tensioner If you have a worn or damaged tensioner or if you are doing basic maintenance on your 5vz engine, Don't forget to replace the timing belt tensioner to insure that you have the reliability and performance you have come to expect from your rig. This is an OEM Koyo part and will and will keep you on the road for years to come. Fitment: 5VZ Engine 1996-02 4Runner 1995-19 T-100 1995-04 Tacoma 2000-04 Tundra