Washer Cap Compatible with Cadillac ATS (2013–2019) — Part #13227300 Key benefits Restores proper sealing of the windshield washer fluid reservoir to prevent leaks and fluid loss. Durable construction resists cracking and aging for reliable longterm use in typical driving conditions. Precisionthread design creates a tight, secure fit so the washer system performs consistently and contaminants stay out. What it is Replacement washer fluid reservoir cap designed specifically for Cadillac ATS model years 2013 through 2019. OEMcompatible part number: 13227300. Materials & performance Made from quality, durable plastic for strength and weather resistance. Threaded design ensures a secure seal that helps prevent leakage, evaporation and contamination of washer fluid. Built to withstand normal exposure to enginebay temperatures and routine use without premature failure. Function & compatibility Seals the windshield washer fluid reservoir to maintain system pressure and fluid integrity. Direct fit for Cadillac ATS (2013–2019) — no modifications required. Easy installation Tool replacement: remove the old cap and screw the cap onto the washer fluid reservoir until it seats firmly. Simple, quick install in minutes during routine maintenance or after a . Practical use scenarios After windshieldwasher service or fluid up: a worn or missing cap to prevent spills and keep the reservoir sealed. Postcollision or underhood repairs: restore the reservoir seal if the original cap was damaged or lost during service. Routine maintenance: swap a cracked or brittle cap to avoid future leaks and contamination that can affect washer pump performance. Why choose this cap Designed to match the fit and function of the original cap for Cadillac ATS (2013–2019). Reliable sealing performance combined with durable plastic construction reduces the need for frequent replacements. Compatibility reminder Specifically compatible with Cadillac ATS model years 2013–2019. Part number: 13227300. Ensure this matches your vehicle before .