Function:Made of 4-ply polyester reinforced silicone material, which is high temperature and pressure resistant, sturdy and durable.It provides the required performance, reliability, strength, and flexibility, improving the flow and performance of the engine cooling system.Function: In automobiles, silicone tube plugs are often used to prevent leakage of coolant and other liquids to ensure the normal operation and safety of the car.Application: Coolant, water, air, turbocharger bypass valve ports, vacuum ports, throttle body water ports, heater cores, and much more.Reinforced silicone caps are not for fuel, oil, or any petroleum-based products.Product Dimension:Type: Reinforced Silicone Coolant CapMaterial: Silicone, MetalColor: BlackInner Diameter: 14mm / 0.55"(D)Wall Thickness: 5mm / 0.20"(T)Inside Length: 80mm / 3.
