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Masuma coolant reservoir caps are manufactured to match OEM specifications in both geometry and performance. The sealing gaskets are made from high-quality rubber compounds that resist degradation from automotive fluids, ensuring a reliable pressure seal and long-term durability.
About Masuma
Masuma is a global brand specializing in auto parts, components, and consumables. The company focuses on producing high-wear replacement parts for post-warranty maintenance of Asian and European vehicles.
Masuma’s strategy is to deliver the best balance of reliability and cost, making quality parts accessible to more drivers and service professionals. All products are developed according to Masuma’s own specifications and manufactured under strict quality control by Masuma Auto Spare Parts Co., LTD (Tokyo, Japan) at multiple state-of-the-art factories across East Asia.