A9062006770
Belt Tensioner for OM904 Euro 4/5
Detroit Diesel

The belt tensioner for OM904 Euro 4/5 engines is crafted with a steel pulley measuring approximately 2.95 inches in diameter and 1.28 inches in width. Its primary role is to maintain proper tension on the serpentine belt, thereby preventing slip and ensuring consistent power transmission to vital accessories like the alternator and air conditioning compressor. The steel construction offers strength and resistance to wear, which is crucial for the longevity of the tensioner under high tension loads. Proper tensioning helps in reducing belt noise, avoiding premature belt failure, and maintaining engine performance. This tensioner is vital for keeping the accessory drive system aligned and functioning efficiently, especially in demanding operational conditions. Source One Parts Center supplies this component as part of a comprehensive maintenance strategy to maximize engine uptime and performance in heavy-duty applications.