Windshield Washer Fluid Reservoir Cap (Part 13227300) Compatible with Cadillac ATS, XTS, CTS, SRX — model years 2013, 2014, 2015, 2016 Key benefits Restores a secure, leakresistant seal for the windshield washer reservoir to prevent fluid loss and underhood mess. Protects washer fluid from dust, water and contaminants so spray nozzles remain effective and windshield cleaning performance is maintained. Durable construction resists impact and UV exposure for reliable service in daily driving and varied weather conditions. Features Compatibility: Designed for Cadillac ATS, XTS, CTS, SRX (2013–2016). Part number: 13227300. Material: Made from impactresistant, UVresistant plastic for longterm durability. Seal performance: Provides a secure, leak fit to help keep washer fluid contained and contamination out. Dustproof and waterresistant design: Prevents dirt and moisture from entering the reservoir, keeping cleaning fluid clean and nozzle performance consistent. Easy installation No tools required. Remove the old gasket cover, place the cap onto the existing gasket, and press into place until seated. Straightforward replacement during routine maintenance or when the original cap is cracked, missing, or leaking. Practical use scenarios 1) Winter maintenance: a cracked or brittle cap before winter to prevent washer fluid leakage and contamination from road salt and slush. 2) Post or collision: Install as a quick replacement after bodywork or underhood impacts to restore proper sealing of the washer reservoir. 3) Preventive care: Swap the cap during scheduled service to maintain fluid purity and ensure the windshield spray system continues to work reliably. What you get One replacement washer fluid reservoir cap (13227300) engineered to fit specified Cadillac models and provide a clean, tight seal without tools or modification.