Mishimoto 42mm Aluminum CNC Fill Neck

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.

Additional Information

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.

Application Summary

Universal Fitment

Part Type

Radiator Fitting

Product Overview

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.

The small Mishimoto CNC machined Aluminum Fill Neck is 32mm and also include a screw-in nipple for overflow.

• Aluminum fill neck fits with Mishimoto Radiator Cap
• CNC machined aluminum universal large fill neck
• Ready to be welded for custom application

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Product Details

Reference Information

Coolant Fill Neck, Weld-On, Aluminum, 42mm Diameter, Each

Mishimoto aluminum coolant fill necks are CNC-machined and ready to be welded for use with your custom project! Offered in two sizes, these high performance fill necks include a screw-in nipple for overflow and are compatible with their high-pressure radiator caps. Customize your fabricated aluminum radiator with Mishimoto aluminum coolant fill necks.