Filler Neck (MK4)
An aluminum coolant inline filler neck specific to the MK4 platform. Attaches to the stock coolant hoses without modification. Intended to be paired with a coolant overflow tank.
- Options for MK4 1.8T, 2.8 24v VR6, and R32
*1.8T filler includes port for factory oil cooler
*R32 filler has port for secondary radiator
-Uses 1.65" (42MM) radiator cap (not included). 18PSI cap recommended.
Built to order, approximate turn around time: 1 week
*Comes raw in finish
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