The Flex Technologies 1-5/8" Straight Silicone Radiator Hose is the perfect solution for your cooling system needs. This hose is designed to be more resistant to cracking, splitting and damage from heat, pressure and chemical exposure. It is also designed to last long, even under the most challenging conditions. This hose is easy to connect to the engine and radiator for a secure fit. This hose is perfect for any cooling system and will provide reliable performance. FleetPride is your First Click in Heavy Duty®.