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Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.
For the serious fabricator building a custom aluminum radiator, the Mishimoto 42mm Aluminum CNC Fill Neck is an indispensable component. Precision-engineered and CNC machined from high-quality aluminum, this fill neck is ready to be TIG welded onto your custom radiator project, ensuring a clean and professional finish. Its robust construction is designed to withstand the rigors of engine bay temperatures and coolant pressures.
This fill neck is not just a functional part but also an aesthetic enhancement for any custom cooling setup. Whether you're building a race car, a show car, or a high-performance street machine, the Mishimoto Aluminum Coolant Fill Neck provides the reliability and quality you expect. Elevate your custom radiator build with this essential piece from Mishimoto, available now at GGCRACING.
| Brand | Mishimoto |
|---|---|
| Manufacturer part number | MMFN-L |
| GGC SKU | MISMMFN-L |
| UPC / GTIN | 748354803853 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 10 × 8.5 × 0.25 in |
|---|---|
| Shipping weight | 0.21 lb |
Universal fit — check measurements. Compare the dimensions and specifications on this page with your application before you order.
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