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Unmatched Availability

Kit Masters leads the aftermarket in medium/heavy duty viscous fan clutch availability.

By offering both genuine BorgWarner® parts and our line of Spectrum Modular Viscous Fan Clutches, we cover the medium/heavy duty viscous fan clutch market better than anyone in the industry.

Search by part number to find a replacement for your fan clutch.

Viscous Fan Clutch

Viscous Fan Drive

Identify Your

Viscous Fan Clutch

If you are unable to find a part number on your viscous fan clutch, our easy-to-use fan clutch identification system will walk you through the process of measuring it to determine the proper replacement.

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How Does a Viscous Fan Clutch Work?


Kit Masters leads the aftermarket in medium/heavy duty viscous fan clutch availability. By offering both genuine BorgWarner® parts and our line of Spectrum Modular Viscous Fan Clutches, we cover the medium/heavy duty viscous fan clutch market better than anyone in the industry.

Spectrum Viscous Fan Drive

Always in stock

Our one-of-a-kind modular system eliminates the need for excessive viscous fan clutch inventory.

Learn about Spectrum® >