This brand-new IVEC Truck Flywheel marked with 504165245 is a high-quality aftermarket replacement part. Adopting premium metal raw materials and precise processing, it delivers stable rotational performance and strong wear resistance. With fully compliant OEM specifications, it supports direct installation without extra modification. It steadily transfers engine power, lowers mechanical wear, and acts as a durable, cost-effective component for daily IVEC fleet upkeep and overhaul.