The Hyundai 3920644 is a genuine OEM starter motor assembly, engineered for reliable engine starting in heavy-duty Hyundai construction equipment. This 24-volt, 5.5-kilowatt starter features 11 teeth, ensuring robust performance. It is specifically designed for Hyundai R290LC-7, R320LC-7, and R360LC-7 excavators, which often utilize Cummins engines. This part is also cross-referenced with the Cummins 246-25216 starter motor, confirming its compatibility and quality.