Hayden Automotive offers a 1 year / 12,000 mile warranty for defects in materials and workmanship. Any units proved to be defective will be exchanged, free of charge, if returned to the seller. Cost of removal, installation, and incidental or consequential damages are expressly excluded. Hayden Automotive shall not be liable for any injury, loss or damage direct or consequential, arising out of the use or inability to use any product. Hayden offers a 5 year / 50,000 mile warranty on thermal… Read more fan clutches. Hayden offers a 12 month / 12,000 mile warranty on non-thermal fan clutches, electric fans, and accessories. Hayden offers a 4 year / 36,000 mile warranty on fans. Hayden offers a 5 year / 50,000 mile warranty on Transmission and Engine Oil Coolers.