To provide the exact degree of cooling needed, Horton's VS viscous directly-controlled fan drive uses adjusts its output using pulse-width-modulation (PWM) signals from the engine management system.

Warning: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

All the benefits of Horton's DM Advantage Two-Speed fan clutch, specifically designed for engines that are tight on assembly space. By switching between eddy current and spring-actuated cooling, the Horton DM Advantage Two-Speed fan clutch helps maximize what's possible from a truck's power supply.

Warning: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

This is a Clutch Pack Assy Only. Replaces 9906017 and 9906014. Requires complete 99A4709 Retrofit Kit which includes , 99A4706 Clutch Pack , 99A4707 Pulley Assy , 99A4710 Bracket Assy and 994931 Main Nut. Crank pulley and Front Cover only available thru International.

Warning: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

To provide the exact degree of cooling needed, Horton's VS viscous directly-controlled fan drive uses adjusts its output using pulse-width-modulation (PWM) signals from the engine management system.

Warning: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov