Vibrant Performance radiator filler necks are CNC-machined from 6061 aluminum alloy and include a barbed nipple for plumbing to an expansion tank. They are compatible with Vibrant high pressure aluminum radiator caps. This weld-on neck has a 32mm (1.25 in) inside diameter, and the replacement hose barb fitting is part 11642F.
- Type: weld-on radiator filler neck
- Inside diameter: 32mm (1.25 in)
- Material: CNC-machined 6061 aluminum
- Feature: barbed nipple for expansion tank
- Compatible: Vibrant high pressure aluminum radiator caps
- Replacement hose barb: part 11642F
- Part number: 20980
FAQ
What size is this filler neck?
It has a 32mm (1.25 in) inside diameter.
What material is part 20980?
It is CNC-machined from 6061 aluminum alloy.
What cap does it work with?
It is compatible with Vibrant high pressure aluminum radiator caps.

