Replacement windshield washer fluid reservoir cap for Chevrolet OEM 13227300 — direct fit for Silverado 1500, 2500 HD and 3500 HD. Key benefits Secure seal to prevent leaks and evaporation: precisionfit design stops washer fluid loss and keeps dirt and debris out of the reservoir. Durable, weatherresistant construction: made from strength materials that resist temperature changes and common washerfluid chemicals so the cap won't crack or deform with normal use. Fast, tool installation: snapon design installs in seconds with no tools or mechanical experience required, ideal for quick DIY maintenance. OEM compatibility and reliable fit: produced to match Chevrolet OEM 13227300 for correct fit and function on Silverado 1500, 2500 HD and 3500 HD models. Features and performance Function: seals the windshield washer fluid reservoir to maintain fluid level and prevent contamination. Compatibility: direct replacement for Chevrolet OEM 13227300; designed specifically for Silverado 1500, 2500 HD and 3500 HD. Material: strength, weatherresistant plastic engineered to withstand chemical exposure and repeated use. Performance: maintains a tight, longlasting seal and resists deformation from temperature cycling and road conditions. Practical use scenarios a lost or cracked cap after servicing the washer system or an onroad incident to restore a proper seal and stop fluid loss. Prevent washerfluid evaporation and contamination during longterm vehicle storage or extended outdoor parking. Fleet and worktruck maintenance: quick, tool replacement during routine checks to keep Silverado trucks ready for service without downtime. Fit, function and easy installation ensure this cap restores original protection and performance for the washer fluid reservoir on compatible Silverado models.