GENUINE ACDELCO QUALITY Genuine ACDelco DEXRON ULV automatic transmission fluid engineered to meet GM specifications for modern ultra-low viscosity applications. DESIGNED FOR GM 10-SPEED TRANSMISSIONS Formulated specifically for GM transmissions requiring DEXRON ULV fluid to provide proper lubrication, shift quality, and performance. ULTRA-LOW VISCOSITY FORMULATION Advanced low-viscosity formula helps improve efficiency while delivering wear protection and long transmission life. SMOOTH SHIFT PERFORMANCE Helps maintain consistent shift feel and transmission operation under a wide range of driving conditions. 1 GALLON CONTAINER Convenient 1-gallon (3.78L) container for transmission service and maintenance applications.