Representative Image MasterPro Belt/Hose Serpentine Belt 4 Rib 38-7/16 Inch - K040378 Part #: K040378 Line: MBH MasterPro Belt/Hose Serpentine Belt 4 Rib 38-7/16 Inch 1 Year Limited Warranty Notched: Yes Number Of Ribs: 4 Number Of Teeth: 0 Top Width (in): 9/16 Inch Top Width (mm): 14mm Outside Length (in): 38-7/16 Inch Outside Length (mm): 977mm Belt Back Material: Polyester, Rubber Show More Show Less