Mishimoto Coolant Fill Neck for EVO Aluminum Construction with Replacement Cap

Mishimoto Coolant Fill Neck for EVO — Aluminum Construction with Replacement Cap Upgrade your cooling system with the Mishimoto Coolant Fill Neck, engineered for EVO models using durable all-aluminum construction and including a matching replacement cap. Designed for performance, longevity, and a precise fit. All-aluminum construction for superior strength and corrosion resistance. Includes replacement cap — sealed, durable, and styled to match. OEM and aftermarket compatible — fits factory hoses and Mishimoto silicone replacement hoses for easy installation. Powder-coated finish protects against chips, corrosion, and weathering for long-term reliability. Mishimoto Lifetime Warranty — built and tested to the highest standards with support from our signature warranty. Whether repairing a worn fill neck or upgrading to a more reliable component, this Mishimoto piece delivers a direct-fit solution that combines form and function. Improve durability and maintain OEM fitment while adding a refined, protected finish to your engine bay.