This Allison Transynd TES 668 On Highway Full Synthetic Transmission Fluid is a high-quality replacement for your vehicle's transmission system. It is designed to fit directly into your car or truck, ensuring maximum compatibility and performance.

Made by Castrol, this transmission fluid is perfect for those who want to maintain the durability and efficiency of their vehicles. It is compatible with a wide range of vehicles, including trucks with 4WD drive type and engines with 6.6L Dura Max Maxx. The fluid is also suitable for use in automatic transmission parts and is certified by Mack, Mobil, and Valvoline. Buy with confidence, knowing that this transmission fluid will meet all your expectations and keep your vehicle running smoothly for years to come.