Washer Cap (Part No. 13227300) — Compatible with Cadillac Escalade 2015–2020 Function: Replacement lid for the windscreen wiper washer fluid reservoir bottle. Designed to seal the reservoir, prevent leaks, and keep washer fluid from dirt and debris. Key benefits Precise compatibility: Made to fit Cadillac Escalade model years 2015–2020 (part number 13227300). Ensures proper fit and reliable sealing on the specified vehicles. Durable construction: Molded from quality ABS plastic that resists rust and corrosion for longlasting service life. Leak prevention: Correct fit and material help stop fluid loss and keep contaminants out of the washer reservoir. Tool installation: Install by hand — no tools required. Push into place and check the seal for a secure fit. Reliable replacement: Ideal when the original cap is cracked, lost, or no longer seals correctly. Features and performance Material: quality ABS plastic for strength, impact resistance, and corrosion resistance. Function: Covers and seals the windshield washer fluid reservoir to maintain system integrity. Installation: Simple manual attachment. After fitting, confirm the cap is seated and sealed to avoid leakage. Common applications / use scenarios a cracked or missing cap after routine maintenance or accidental damage to restore a proper seal. Fit the cap after replacing or repairing the washer fluid reservoir to ensure leak operation. Pretrip or seasonal inspection: swap a worn cap to prevent fluid contamination and reduce the chance of washer system failure on long drives. What to check after installation Confirm the cap sits flush and seals the reservoir opening. Test the washer system and inspect for any signs of fluid seepage around the cap area. Compatible models and part reference Cadillac Escalade 2015, 2016, 2017, 2018, 2019, 2020 Part number: 13227300 This washer tank cap is a straightforward, durable replacement that restores proper sealing and protection for your Escalade's washer fluid reservoir.