Product description optimized for strong conversion Direct replacement for wornout parts This part is designed to directly a wornout, lost, broken, or malfunctioning cap that may fail due to overheating and strain, restoring proper function of the cleaning liquid reservoir. materials for reliable performance Made of special materials to ensure reliable performance and antiaging. The construction is waterproof and dustproof, suitable for use in a variety of scenarios. Easy, tool installation Easily installed without any additional tools. Remove the previous old or broken cap and install the existing cap onto the cleaning liquid reservoir. Please check carefully to make sure the cap is well sealed. Verified quality and trustworthy performance The product has been verified by multiple laboratories and through real car driving feedback, delivering stable performance as a dependable auto part. Use scenarios Routine replacement for a cap that overheated or strained, restoring proper sealing of the cleaning liquid reservoir during regular vehicle maintenance. Use in dusty or wet environments where waterproof and dustproof features help prevent contamination and leaks in the cleaning liquid system. Suitable for fleet or vehicle maintenance where consistent, reliable sealing of the cleaning liquid reservoir is important for uptime and performance.