Automotive grade windshield washer bottle cap Key benefits Provides a tight seal to prevent leaks and fluid loss from the washer reservoir Durable plastic construction designed to resist damage in automotive use Simple, tool installation with a direct replacement for the existing cap Protective waterproof design helps keep internal components safe from rain and moisture What it is and why it matters Made of windshield washer bottle cap plastic, this cap is built for long service life and reliable performance Designed as a direct replacement for the standard windshield washer reservoir cap, with no additional adjustments required Installation and compatibility Easy to install on the windshield washer reservoir; no tools or special adjustments needed Old equipment can be directly replaced, making maintenance quick and reliable Fits standard windshield washer reservoir caps used on most vehicles Waterproof design Features a waterproof design to protect the parts inside the windshield washer reservoir from rain and moisture Specifications and performance Material: plastic (windshield washer bottle cap plastic) Function: seals and protects the windshield washer reservoir cap Compatibility: intended as a direct replacement for existing caps on most vehicles with standard washer reservoirs Use scenarios Replacing a cracked or leaking washer cap to restore proper sealing and prevent fluid loss Routine maintenance on older vehicles to maintain reservoir integrity and prevent contamination Seasonal protection for vehicles in wet or snowy climates, ensuring the washer system remains sealed and functional