Vibrant Weld On Radiator Filler Neck - 42mm ID (1.65in)

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 #11642F.

Most orders ship within 1–3 days, either from our warehouse or directly from the manufacturer. We validate inventory with our vendors to provide the most accurate information possible, though occasional delays can happen.

This partner-first approach helps keep costs down and shipping times fast, with full visibility from order to delivery. Have questions? Email sales@jdmkonbini.com and we’ll help right away.