Belt Tensioner 5287021 of Cummins ISF3.8S3154 (SO10918) Automotive Engine NO. PART NUMBER PART NAME 1 3900679 Screw, Hex Flange Head Cap 2 5287021 Tensioner, Belt Remarks: (1) We can provide Belt Tensioner 5287021 engine parts, as well as the genuine Cummins engine. (2) Above we have listed engine parts Belt Tensioner 5287021 for the Cummins ISF3.8S3154 (SO10918) automotive engine, while if you need some other …