Coolant Fill Necks

Moroso Weld-On Filler Neck - Billet Aluminum

Chase Bays -16AN / -16AN Raised Inline Filler Neck w/Cap

If you manufacture your own aluminum radiator, the Mishimoto Aluminum Coolant Fill Neck is a must-have.The Mishimoto Aluminum Coolant Fill Necks are CNC machined and ready to be welded for use with your custom project.These Aluminum Fill Necks are compatible with our Mishimoto Radiator...

If you manufacture your own aluminum radiator, the Mishimoto Aluminum Coolant Fill Neck is a must-have.The Mishimoto Aluminum Coolant Fill Necks are CNC machined and ready to be welded for use with your custom project.These Aluminum Fill Necks are compatible with our Mishimoto Radiator...

Koyo 2022 Toyota GR86/ Subaru BRZ Aluminum Filler Neck

Koyo 06-11 Honda Civic Aluminum Filler Neck