This transfer case box assembly is designed for use in vehicles equipped with a 4.8L V8 gas engine from model years 2011 through 2018.It serves as a direct replacement for part numbers MSU003349, 95834101001, and 412-51376.The unit supports power distribution between the front and rear axles, enabling four-wheel drive under standard and off-road driving conditions.It is compatible with systems requiring an AP01 configuration and is engineered to meet specifications for fit and function.