VW Heater Core #10AN Adapter shirt we recommend ordering one size

we recommend ordering one size larger than your usual size

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)

Requires MAF element from OEM housing

Now for the MK4 platform we offer an aluminum fan shroud that is a direct bolt on to stock and aftermarket MK4 radiators

Options/Applications:

VW Heater Core #10AN Adapter shirt we recommend ordering one sizeThese billet adapters convert your plastic VW MK4 MK5 MK6 heater core connections to male #10AN. Machined from 6061. A hex (not a curse) has been added to prevent strain on the plastic heater core when tightening hose end to adapter. No modification is necessary to install. Adapters include new O rings. Sold as a pair. *MUST REUSE SPRING CLIP FROM OE CONNECTION* Note: These adapters are designed to fit the 22MM style quick disconnect and will fit