The bearing cover bolt, marked by code H 11151, is a high-strength fastener used to secure the bearing cover to the engine block in the ASL25 engine. It ensures that the bearing assembly remains tightly enclosed, maintaining the integrity of the lubrication system and preventing bearing movement under dynamic engine loads. Engineered for durability and precise torque application, this bolt is critical for withstanding the stresses of vibration and thermal expansion. Proper installation and maintenance of this bolt help ensure the continued reliability and performance of the engine.