CSF 4540 Radiator Cap

When it comes to heavy-duty or performance vehicle cooling, trust only the experts—CSF. Called "The Cooling Experts," CSF has sold over 30 million products, including intercoolers, condensers, radiators, pressure caps, racing radiators, and other solutions to vehicle cooling problems. Whatever the application, CSF has the ideal solution. Its portfolio comprises over 3000 models manufactured in state-of-the-art, ISO-certified facilities. Every CSF product, especially its radiators, has been rigorously tested—Hydrostatic, vacuum decaying, life-cycle testing—and is meticulously crafted to provide a "drop-in fit." This world leader in automotive cooling now exclusively sells its products through its huge network of over 500 distributors across the country.