Width: 7/8″.Additional Information: Engine to transmission idler. Fits 38″, 12 HP lawn tractors 1987 – 1993.Dim A (1) 3-23/64″Dim B (2) 2-3/4″Dim C (3) 1/2″Dim D (4) 7/8″Dim E (5) 1/4″Dim F (6) 1/4″Dim T .090″Material Composite

Reference Numbers:

091179MA, 091179MA-A, 280-499, 280-499-A, 421409, 421409-A, 421409MA, 421409MA-A, 91179, 91179-A