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Mishimoto 42mm Aluminum CNC Fill Neck

Mishimoto · New

Mishimoto 42mm Aluminum CNC Fill Neck

MPN MMFN-L · Store SKU misMMFN-L

$24.00
IN STOCK10 ready to ship

Supplier stock checked 11/7/2026, 10:56:24 AM UTC. Adding a part does not reserve it.

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Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

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 Caps.The large Mishimoto CNC machined Aluminum Fill Neck is 42mm and includes a screw-in nipple for overflow. Versatile multi-purpose fitting designed to securely connect fluid or air lines across various systems. Precision-machined for a tight, leak-resistant seal, it offers durable construction, reliable performance, and easy installation. Mishimoto Aluminum Fill Neck, Large Aluminum Fill Neck, Large

Manufacturer fitment & guides

  • Universal Fitment
  • Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.

Part-specific notes

  • California Proposition 65: Y
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