Model Compatibility: Fits Model X 2023 trunk left lower storage box as a direct replacement partition for stowing and tidying purposes. Functionality: Restores trunk side storage box functionality by providing a partitioned compartment for organized item placement. Location Specificity: Designed for the left lower position within the Model X 2023 trunk storage area. Design Purpose: Serves as a trunk side storage box partition intended for stowing and tidying items in the specified location. Replacement Role: Functions as a replacement part for the AC54-Trunk Side Storage Box used in the Model X 2023 trunk assembly.