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 needed for proper installation: expansion tank, cap, and all necessary components. Allows replacement of only the damaged unit instead of the entire assembly. Quality-engineered replacement part that properly restores cooling function. Compatible with ML320 1998–2003 Base Sport Utility V6 3.2L with washer fluid reservoir. Compatible with ML350 2003–2005 Base Sport Utility V6 3.7L with washer fluid reservoir. Compatible with ML430 1999–2001 Base Sport Utility V8 4.3L with washer fluid reservoir. Compatible with ML500 2002–2005 Base Sport Utility V8 5.0L with washer fluid reservoir. Part Numbers: 1638600560, 1638601160, 1638601260, 1638690820 Number of Ports: 3 Holes Tank Capacity: 7.6 Liters Color: White Material: ABS Package Contents: 1 x Windshield Washer Fluid Reservoir Note: Light and display differences may cause slight color variation between image and actual item. Measurement may vary by +/- 1–3 cm.