Castrol TranSynd 668 Full-Synthetic Transmission Fluid for Allison 1 gallon (3.7L)

Castrol TranSynd 668 is an advanced synthetic transmission fluid designed for heavy-duty use. Trusted by professionals, it ensures optimal performance, longevity, and smooth operation for automatic transmissions, especially in commercial vehicles. With outstanding thermal stability and wear protection, it's perfect for demanding environments.