Belt 23669027 Tensioner

he Part 23669027 belt tensioner is engineered to handle the demanding environment of heavy-duty commercial truck accessory drives. Intended specifically for fitment on Volvo D13 and Mack MP7/MP8 engine platforms (and compatible models), this tensioner helps maintain the correct tension on serpentine or accessory drive belts — protecting alternators, AC compressors, water pumps and other critical accessories from belt-related failures.