Volkswagen Jetta Radiator Hose is the elastic hose that ensures smooth flow of coolant between engine and radiator to maintain the temperature within a safe range. Constructed of temperature-resistant materials that shake off constant vibration and high-pressure bursts, this critical line ensures that not only does it prevent the four-cylinder or VR6 from overheating, but it also gives the engine the freedom to vibrate freely on its mounts. Because all Jetta generations since 1979 share the same twin-hose loop, the Volkswagen component perfectly fits the Mark I classics, contemporary turbo sedans, and sporty GLI trims without any effort, and the owners do not have to guess their way through the maintenance. The Radiator Hose set includes a high-flow path to the radiator that supplies coolant, a lower recirculation path to the water pump, and a cleverly angled pathway to the heater core to keep the cabin temperature stable even on cold mornings. Both Radiator Hoses include reinforced synthetic rubber that does not swell, crack, or deteriorate over a long service life, and this design feature improves overall efficiency of the drivetrain by maintaining consistent coolant flow and decreasing the need to call on the electric fan. Uninterrupted temperatures also translate to cleaner burning, greater fuel efficiency, and reduced emissions, which puts an insulated layer of safety on passengers and the environment. There is also a molded protective sleeve at the main points of contact that prevents chafing on the frame rails, a small but visible detail that makes this Radiator Hose stand out in a sea of parts.
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