Superior Transmission Parts

At AutoGear.fi you will find a wide selection of Superior Transmission parts. Superior Transmission Parts is a U.S.-based company specializing in automatic transmission components and problem-solving solutions for the automotive aftermarket and professional rebuilders. Founded over three decades ago, the company designs and manufactures a wide range of transmission kits, tools, and performance-enhancing parts—all proudly made in the USA. Their product lines include shift correction kits, valve body fixes and various problem-solving components designed to address common transmission issues and improve reliability and performance.

We deliver a wide range of products quickly and affordably directly from our own warehouse. If you can’t find the product you’re looking for, please contact us!