When your Chevrolet radiator hose becomes defective, it can no longer provide proper function and eventually could lead to a major cooling system failure. Unless you do not care about an overheating engine, you must fix, or replace when need be, worn radiator hose. The Chevrolet G20 radiator hose has a very menial yet crucial function in the overall function of the cooling system. The cooling system has to work properly so to regulate the heat produced by the internal combustion process avoiding dire engine failures, such as overheating, to occur. The radiator hose is used to channel the coolant towards various destinations and reach the engine and back to the radiator to pick up and release the heat. A radiator hose is expected to fail because it lives in an extreme environment which is the primary cause why it becomes worn. So, when the radiator hose is defective, channeling of the coolant will be affected; which now causes the cooling system to malfunction. If you do not want to be pulled over the side of the road because of an engine overheating, make sure to replace the bad radiator hose of your 1991 Chevrolet G20 with our Dayco Radiator Hose, the replacement product which was preferred by most enthusiasts because of its known quality and durability. With this replacement radiator hose, you would no longer worry whether you have to face the same problem in the soonest time because this is a product which has been tested and engineered to withstand rigorous environment of the internal combustion area. Check with this store and find the product easily from our online parts catalog.