Vehicle Fitment: The thermostat housing is compatible for S-Type XJ8 XJR 4.2L 03-05. match your car. High Durability: The thermostat housing is made of premium plastic and rubber material, which has stable performances and long term durability. Professional manufacturing, high reliability. Easy installation: The thermostat housing is easy to install. Professional installation is strongly recommended. The thermostat housing is manufactured according to Part Number specifications, directly replaces the original-equipment on specific vehicle applications. Product type: Thermostat housing Part Number: AJ89485 Compatible for the following models: For XJ8L 2005 4.2L (engine:-V8) For S-TYPE 2004 4.2L For XJ 2003 3.5L For XJ Super 2003 4.2T For XJ 2003 4.2L (engine:AJ33) For S- 2003 4.2T Colour:Black Material:ABS Package Contents: 1 x Thermostat Housing Assembly + Water Outlet Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.