Description + Cross References:Meritor: 1A 3211P5814, 1531012, 3949911, 8235A3211P5814, 9628A3211P5814, A3211P5814RI, ATIA3211P5814, TDAA3211P5814 Additional Info + UPC: 737238876649 Mfr Part Number: A3211P5814 Bolt Circle Diameter: 8.25 in. Pilot Diameter: 6.75 in.