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| SKU | MISMMFN-L |
| MPN | MMFN-L |
| GTIN | 748354803853 |
| Certifications | None |
| Material | Aluminum |
| Color/Finish | Silver |
| Wheel Size (inches) | 42mm |
The Mishimoto 42mm Aluminum CNC Fill Neck is a precision-crafted component designed to enhance your vehicle's cooling system. Built from high-quality aluminum, this fill neck is CNC machined for optimal fit and durability, providing a secure and reliable connection point for coolant refills.
Ideal for automotive enthusiasts and professional tuners alike, it offers superior resistance to corrosion and heat compared to standard plastic alternatives. Its 42mm diameter ensures compatibility with many aftermarket and OEM radiator caps, making it a versatile addition to your fabrication projects.
Whether you are upgrading a classic hot rod, building a V8 powerhouse, or customizing your kit car, the Mishimoto fill neck combines style and function. Its lightweight aluminum construction contributes to overall vehicle performance without compromising strength or reliability.
Trust this Mishimoto part to deliver excellent flow characteristics while maintaining proper seal integrity, reducing coolant loss and system contamination. Perfect for workshops and individual builders seeking dependable performance parts with a sleek appearance.
Ideal for automotive enthusiasts and professional tuners alike, it offers superior resistance to corrosion and heat compared to standard plastic alternatives. Its 42mm diameter ensures compatibility with many aftermarket and OEM radiator caps, making it a versatile addition to your fabrication projects.
Whether you are upgrading a classic hot rod, building a V8 powerhouse, or customizing your kit car, the Mishimoto fill neck combines style and function. Its lightweight aluminum construction contributes to overall vehicle performance without compromising strength or reliability.
Trust this Mishimoto part to deliver excellent flow characteristics while maintaining proper seal integrity, reducing coolant loss and system contamination. Perfect for workshops and individual builders seeking dependable performance parts with a sleek appearance.
Customer reviews
Based on 160 reviews
Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















