Product: Windshield Washer Reservoir Cap (OEM 13227300) — Compatible with Opel Adam, Astra, and Corsa E Why you need this cap Restores a proper seal on the windshield washer fluid reservoir to prevent leaks and fluid loss. Keeps dirt, water and road debris out of the washer system, protecting the pump and nozzle from contamination. Simple, durable replacement when your original cap is cracked, missing, or worn. Key benefits Reliable sealing: Designed to fit factory washer reservoir openings on Opel Adam, Astra and Corsa E models (OEM part no. 13227300), restoring correct fluid retention and preventing spills. Corrosionresistant material: Made from quality ABS plastic for longlasting performance and resistance to rust and environmental damage. Easy, tool installation: Snapon design allows quick manual installation—no tools required. Ensure the cap is fully seated and sealed after fitting to avoid leakage. Durable and maintenanceready: Robust construction stands up to regular use and exposure to washer fluid and road conditions. What this part does Seals the washer fluid reservoir to maintain fluid level and prevent contamination. Protects the washer pump, lines, and nozzles by keeping out debris and moisture. Restores factory fit and function for reliable windshield cleaning performance. Compatibility and fit Specifically compatible with: Opel Adam, Opel Astra, Opel Corsa E. OEM reference: 13227300. Designed to match the original factory cap dimensions and fit for the listed models— a damaged or missing original cap with confidence. Typical use scenarios 1) After windshield washer system repairs — a damaged cap following pump or hose service to restore a watertight seal. 2) Routine maintenance or lost cap replacement — quickly swap in a cap when the original is missing or cracked to prevent fluid loss. 3) Pretrip or winter preparation — ensure the reservoir is sealed to avoid contamination and freezingrelated issues during cold or dusty conditions. Installation notes No tools required. Press the cap onto the reservoir opening until it seats fully. Check the fit after installation to confirm a secure seal and prevent leaks. Material and performance Material: quality ABS plastic. Properties: Rust and corrosionresistant, durable for longterm use as a direct replacement part. a worn or missing washer reservoir cap with this OEMcompatible unit to protect your washer system and maintain reliable windshield cleaning performance.