Vehicle Specific Fit:for Nissan Frontier 2.4L 2000-2004, for Nissan Frontier 3.3L 1999-2004, for Nissan Quest 3.3L 2001-2002, for Nissan Xterra 3.3L 2000-2004
Feature:These are installed in your cylinder head right above your intake ports. They help keep the heat from the cylinder head from cooking your fuel injectors.
Product Characteristics:The injector lower insulator is made of rubber, which is strong, sturdy.
How to Install: Direct replace the broken injector lower insulator.