Universal Fit: The silicone coolant cap kit fits most cars, SUVs, motorcycles, trucks, ATVs, dirt bikes, go kart, etc.Unique Benefits: Prevent leakage of coolant and other liquids to ensure the normal operation and safety of the car. Made of 3-ply polyester reinforced silicone material, which is high temperature and pressure resistant, wear-resistant and durable. Apply for coolant, water, air, turbocharger bypass valve ports, vacuum ports, throttle body water ports, heater cores, and much more. Not for fuel, oil, or any petroleum-based products. Note: Please allow a 1-5mm error due to manual measurement. Special Features: Product Color: Red Product Material: Silicone Inside Length: 37mm / 1.46" Inner Diameter: 40mm / 1.57" Outer Diameter: 48mm / 1.89" Wall Thickness: 4mm / 0.16" Easy Installation: Universal fits most cars, SUVs, motorcycles, trucks, ATVs, dirt bikes, go kart, etc. Please measure your vehicle's tube size before placing an order! Package Content:Package includes: 1 Pcs Silicone Hose Cap, 1 Pcs Clamp