Genuine OEM Volkswagen Short Block, part number 028100103HX. This is a new short block engine assembly. It forms the core of the engine, housing the crankshaft, connecting rods, and pistons. This part weighs 63 kg and has dimensions of 0.42m x 0.35m x 0.4m. Genuine OEM short blocks are manufactured to precise tolerances for optimal engine balance and longevity.