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Instant Shudder Fixx™


A concentrated friction modifier formulated specifically for eliminating torque converter shudder problems instantly!

It is packaged in a uniquely engineered two ounce application tube, LUBEGARD's Instant Shudder Fixx™ is compatible with conventional or synthetic automatic transmission fluids.


  • A concentrated friction modifier formulated specifically for INSTANTLY eliminating torque converter lock-up shudder
  • Provides up to 4x’s less wear than regular ATF
  • The original shudder fix
  • For long term benefit, use with LUBEGARD ATF Protectant P/N 60902 or LUBEGARD Platinum ATF Protectant P/N 63010
  • For use in ANY automatic transmission fluid except CVT, DCT, and Ford Type F [1986 and earlier models] applications

available sizes

directions for use

While holding the tube, cut off the tip end, and empty contents directly into ATF via dipstick tube, or fill-port on the side of the transmission.


Retail Packaging

Also available in various retail packages:

Clam Shell P/N 19680

Display Box P/N 19689



Lubegard Product Catalog

Lubegard Spanish Product Catalog

2021 – OEM ATF & Conversion Chart

2019 LUBEGARD Catalog

2019 LUBEGARD Catalogo de Productos

Customer Testimonial Booklet

Instant Shudder Fixx™ - Product Data Sheet

Where to Buy

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WARNING: This product can expose you to ethylbenzene, which is known to the State of California to cause cancer.  For more information go to www.P65Warnings.ca.gov