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

Fuel Type: Gasoline

Solenoid Valve

These are used to compliment many different aftermarket electronic boost controllers and these are also the tuners favorite to use in conjunction with a standard or aftermarket Stand Alone ECU's

2008-2009 Mercedes-Benz S450 (W221)

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