The Gates Radiator Coolant Hose Upper is a premium molded coolant hose designed specifically for the 2003-2008 Toyota Corolla with a 1.8L L4 GAS engine. This durable hose is manufactured by GATES, a trusted brand in automotive parts, and comes with a 1-year manufacturer warranty. With a focus on quality and compatibility, this radiator coolant hose is a reliable choice for maintaining optimal cooling performance in your vehicle.