1 Best Transmission Fluids for Type A Suffix A Specification

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Type A Suffix A is an older specification for automatic transmission fluid Type A Suffix A is one of the earliest specifications for automatic transmission fluid, originally developed by General Motors in the 1940s. This specification is now considered obsolete for most modern vehicles but may still be required for some classic or vintage cars. Type A Suffix A fluids were designed for older, simpler transmission systems and lack many of the advanced additives and properties found in modern transmission fluids. While not suitable for newer vehicles, these fluids can be crucial for maintaining and operating certain classic automobiles with period-correct specifications.
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