- Enhance your vehicle's air conditioning system with our essential maintenance caps, ensuring optimal performance and extended lifespan of your AC unit. - Available in six sizes (13 mm, 13.5 mm, 14 mm, 16 mm, 17 mm, and 17.5 mm), each cap features a built-in rubber seal to effectively prevent leaks and resist pressure and corrosion. - These durable AC service caps are crucial for anyone involved in automotive air conditioning repairs, safeguarding service ports from dirt and damage across various vehicle models. - Ideal for professional auto technicians needing reliable parts for AC maintenance, as well as car enthusiasts looking to perform precise repairs. Use Cases: 1. Prevent leaks during AC servicing by securely sealing the service ports with the appropriate cap size. 2. Protect your vehicle's AC system from contaminants while performing routine maintenance or repairs. 3. Easily switch between sizes to accommodate different vehicles in your shop or garage. Invest in these high-quality AC maintenance caps to ensure your vehicle's air conditioning system operates efficiently and reliably.