Reference: A50 V Belt Top Width: 1/2 in Height: 5/16 in Length: 50 in Inside, 52 in Outside Equivalent to: 4L520, 4L-520, A50, 4L 520, A 50, A-50, Dayco AP50, BTQ-A50, A50 D&D Power Drive
Reference: A50 V Belt Top Width: 1/2 in Height: 5/16 in Length: 50 in Inside, 52 in Outside Equivalent to: 4L520, 4L-520, A50, 4L 520, A 50, A-50, Dayco AP50, BTQ-A50, A50 D&D Power Drive