The Dayco 71035 curved radiator hose is a black 1.25 inch diameter hose with 2 flutes. It is made from premium materials to provide excellent heat resistance and durability. With its curved design this hose helps direct coolant flow for optimal engine cooling. The Dayco 71035 hose has a 1.25 inch inside diameter and an outside diameter of 1.25 inches. It fits many standard radiator hose fittings. The hose is constructed with a heat shield to protect against high temperatures. This helps prevent damage and failure.Dayco's 71035 hose is an ideal replacement for worn or damaged hoses. It provides reliable cooling performance. The premium materials and durable construction ensure long lasting service. This is a high quality radiator hose that delivers excellent value. It will keep your engine running cool and prevent overheating.