Aluminum Coolant Expansion Tank - MK3 Thru MK6 logo Billet Aluminum adapter that will

Billet Aluminum adapter that will convert your radiator to a #16AN  connection on all MK4/5/6/7 platforms and various Audi models

The top half of this coolant ball has been machined from one solid piece of aluminum and was designed to accept the OE radiator cap (cap not included)

*Sold individually*

-Includes radiator cap

(2) #10 or 1/2"NPT ports

Aluminum Coolant Expansion Tank - MK3 Thru MK6 logo Billet Aluminum adapter that willIts finally here! Our Aluminum Coolant Expansion Tank is a direct replacement alternative to the factory plastic coolant ball. The top half of this coolant ball has been machined from one solid piece of aluminum and was designed to accept the OE radiator cap (cap not included). The ports are now both NPT allowing the user to run the OE hoses or convert to AN. A level sensor with pigtail is included to connect to the OE lever sensor harness. The level