Available January 2025
Call (800) 810-9110 to Pre-order
Rather than using inferior bearings that are not temperature controlled our bearings are designed specific for the heat and application resulting in significantly less bearing failures.
1 Year/100,000 Mile Warranty
DEFENDER is our E-Viscous fan clutch.
Our electronic viscous fan drive helps to optimize the fan speed while maintaining a consistent engine temperature at the desirable range. The fan runs only when there is demand from the ECU of the vehicle. The control range is defined by the power train.
Every clutch is end of the line tested and adjusted to run within our tight performance requirements.
SJ11644, 8521158, FLT77021, KMN2077021, KM N20 77021, KMI77021, 3443-77021,
California Residents: Prop 65 Warning
You are purchasing a Kysor-style fan clutch. When replacing a Kysor-style fan clutch, you must always replace the hub (pulley) bearings at the same time. Failure to do so will void the warranty on your fan clutch.
To determine the required bearing kit for your hub, enter the hub part number in the search field below, find the part number of the bearing kit you need on the dropdown below, or click on the 'Learn More' link below.
I don't want to purchase a hub bearing kit at this time.
Failure to install new hub bearings with your clutch will void your warranty.
This product includes a core charge. You may pre-pay for the freight to return your core during the checkout process, or ship using your own method. Core returns must be received by Kit Masters within 30 days of purchase.
Would you like to pre-pay for the return freight?
