2026 GMC Sierra 1500 Automatic Transmission Fluids

Castrol Transmax ATF/CVT Universal is a technologically advanced full-synthetic formulation designed to deliver excellent performance in most of the traditional stepped automatic transmissions and Continuously Variable Transmissions currently in use. It is also suitable for use in hybrids. Volume: 1 gallon.

Mobil 1 Synthetic LV ATF HP is a high-performance synthetic automatic transmission fluid that delivers extended transmission life with improved thermal stability. Has outstanding long-term frictional properties to help improve and extend transmission efficiency, smooth shifting performance, and fuel economy. Exceptional thermal and oxidation stability keep transmissions clean to help provide outstanding performance even under severe driving conditions. Film-strength and anti-wear properties provide significant wear reduction, which can contribute to long transmission life. Excellent low-temperature fluidity helps to provide prompt and reliable lubrication at ambient temperatures down to -78 Degrees F (-61 C). Exceptional shear stability supports viscosity retention even under some of the most severe heavy-duty, high-temperature operating conditions. Mobil 1 Synthetic LV AFT HP is recommended for use in modern high-performance vehicles requiring DEXRON HP ATF DEXRON. Mobil 1 Synthetic LV ATF HP is meets GM DEXRON HP standards. Volume: 1 quart.