Heating and Cooling Fans

Red Line

BLACK T-SHIRT MD LTWT BLEACHED OVAL

$34.12

SKU: R00B 99421

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Kit Masters 99421 is a Caterpillar Fan Clutch designed for high-performance applications.

This fan clutch features an Auto Lock feature that prevents on-the-road failures by automatically locking up when the friction material nears the end of its life. It provides over 5,000 inch-lbs of torque, capable of handling nearly any size fan blade.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandRed Line
Part NumberR00B 99421

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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