AC Recharge Kit | 20pc R134a AC System Caps | 13mm & 16mm Port Covers

This 20-piece set of R134a AC charging port caps is a key part of any car AC recharge or repair. It has 10 high-side (16mm) and 10 low-side (13mm) caps. These fit most modern vehicles. They seal the service ports to keep out debris. Features and Benefits - Stops Dirt - The cap is the main defense against dirt and moisture getting into your refrigerant lines. - Includes O-Ring Seals - Each cap has an inside rubber O-ring. This acts as a second seal. It helps stop slow refrigerant leaks at the valve. - Standard R134a Sizes - It comes with both 13mm low-side and 16mm high-side caps. These are the two most common sizes for R134a systems. - Bulk Pack - This 20-piece set gives you plenty of spares. Use them for many vehicles or future repairs. You'll always have one when you need it. Applications - Replace missing or broken caps after using a car AC recharge kit. - Seal the AC system after professional service or part replacement. - Keep them in a workshop for regular AC upkeep on different cars.