Universal 1L Radiator Coolant Overflow Tank Blue Fuel Lines the drain plug can be

the drain plug can be removed to allow for a return to the oil pan

2006-2021 Honda Civic

2008-2009 Mercedes-Benz S450 (W221)

COMES WITH ALUMINUM FLANGE

Fuel Type: Gasoline

Universal 1L Radiator Coolant Overflow Tank Blue Fuel Lines the drain plug can be100% brand new items, never used or installed. Universal 1L radiator coolant overflow reservoir tank. Made by OEM approved manufacturers with materials that meets or exceeds strict OEM requirements. Manufactured from high quality CNC machined T 6061 aluminum alloy with an anodized finish for superior strength and corrosion protection. Provides an air space for the coolant to expand into and is required in all applications where the top of the radiator