This is a A-A38.5 Classical V-Belt (1/2" X 40.5") PN: A38.5Main Description As Following : A-A38.5 Classical V-Belt (1/2" X 40.5") P.N: A38.5 1/2 X 40.5 A-Section Polyester CordColor: BlackDepth: 5/16"Length: 40.5Material: Polyester CordOC Length: 1/2" X 40.5"Thickness: .315Top Width: 1/2"Type: A-SectionWidth: 1/2 Replaces: A-4L405 IND. 4L SECTION BELT , Crossed From: 112114 TORO / WHEEL HORSE , 1742628 BOLENS , 1749710 BOLENS , 2097654 MTD/ CUB CADET/ WHITE , 67-0900 TORO / WHEEL HORSE Found in Section & Models : Industrial Belts > A-Section Wrapped Belt, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : 1/2" x 40.5" A Section Polyester Cord Color: Black Depth: 5/16" Material: Polyester Cord OC Length: 1/2" X 40.5" Top Width: 1/2" Type: A-Section