to cracking and wear from heat cycles preventing coolant loss. Manufactured to engineering standards and specifications in materials and tolerances. Complete drop-in kit includes everything you need to do the job correctly,Includes expansion tank, cap, and all necessary components Allows you to replace only damaged unit instead of entire assembly Quality-engineered replacement part properly restores cooling function For ML320 1998-2003 Base Sport Utility V6 3.2L with lamp washer For ML350 2003-2005 Base Sport Utility V6 3.7L with lamp washer For ML430 1999-2001 Base Sport Utility V8 4.3L with lamp washer For ML500 2002-2005 Base Sport Utility V8 5.0L with lamp washer Part Number: 1638600560, 1638601160, 1638601260, 1638690820 Ports Quantity: 3 Holes Tank capacity: 7.6 Liters colour:white Material:ABS Package Contents: 1 * Windshield cleaning oil tank Only the above package content, other products are not included. Note: Light 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.