Genuine OEM Volkswagen Cylinder Block With Pistons, part number 028103101T. This is the main engine block assembly, which forms the foundation of the engine. It includes the cylinders and is designed to house the pistons. This part weighs 43.8 kg and has dimensions of 0.39m x 0.335m x 0.295m. Genuine OEM cylinder blocks are manufactured to exact tolerances for proper sealing, heat dissipation, and smooth engine operation.