Coolant Fill Necks

Koyo 13-16 Scion FR-S / Subaru BRZ Aluminum Filler Neck

Vibrant Performance Radiator Filler Necks are CNC Machined from durable 6061 Aluminum Alloy. They include a barbed nipple for plumbing to an expansion tank. Available in two sizes and are compatible with Vibrant Performance high pressure Aluminum Radiator Caps.  Replacement Hose Barb Fitting part...

Vibrant Performance Radiator Filler Necks are CNC Machined from durable 6061 Aluminum Alloy. They include a barbed nipple for plumbing to an expansion tank. Available in two sizes and are compatible with Vibrant Performance high pressure Aluminum Radiator Caps.  Replacement Hose Barb Fitting part...

Moroso Weld-On Filler Neck - Billet Aluminum

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

Must Use SK-C13 or equilvalent deep plunger cap