What is a radiator flex fan?
Derale 17117 Engine Cooling Fan Blade
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Open Jun 17, 2025 - 06:54 PM
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Jun 17, 2025 - 06:54 PM
A radiator flex fan is a type of automotive cooling fan designed with flexible blades that flatten out at higher engine speeds. This design reduces air resistance and increases efficiency by drawing less power from the engine when cooling demands are lower. The flexing action helps improve fuel economy while still providing adequate airflow when needed.
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Derale 17117 Engine Cooling Fan Blade
Steel fan blades, Maximum full-time airflow, Black powder coated finish, 17" standard rotation design, belt fans, fan clutch fans, fan clutches, 17" fan clutch fans, 17" belt fans, 17" belt driven fans, 17" belt drive fans, 17" belt driven fan clutch fans, made in usa f...
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