Washer Fluid Reservoir Cap — Compatible with Focus (2012–2018), part cp9z17a605a Key benefits Restores a proper seal: replaces broken or missing washer fluid reservoir caps to prevent leaks and fluid evaporation. Keeps the system clean: blocks dirt, road grime and moisture from entering the washer reservoir, protecting the pump and nozzles. Longlasting replacement: constructed from quality ABS plastic that resists rust and corrosion for reliable service life. Tool installation: pressfit design allows quick, handinstall replacement—no tools or special skills required. Features Compatibility: Designed to match washer fluid reservoir caps for Focus models from 2012 through 2018 (part number cp9z17a605a). Material: Durable ABS plastic provides impact resistance and longevity while resisting rust and corrosion. Function: Provides a secure, sealed closure for the windshield washer fluid reservoir to maintain proper fluid level and system performance. Fit and performance: Engineered for a snug, leakresistant fit; install by hand and verify the cap is fully seated and sealed. Installation instructions (simple) 1. Remove the damaged or missing cap from the washer fluid reservoir. 2. Align the replacement cap and press it onto the reservoir opening until it clicks or sits flush. 3. Check visually and by hand to confirm the cap is seated and sealed to prevent leakage. Practical use scenarios Routine maintenance: a worn or cracked cap found during a fluid check to prevent future pump or nozzle contamination. After repairs or service: Reinstall a reliable cap when a factory cap was lost or damaged during engine bay work. Travel and seasonal use: Ensure the reservoir stays sealed during long trips or in dusty/dirty conditions to avoid washer system issues. Reliable, straightforward replacement for Focus (2012–2018) washer fluid reservoir cap cp9z17a605a—durable ABS construction, easy installation, and effective protection for your windshield washer system.