GENUINE MERITOR™ DIFFERENTIAL CASE-BOLT WASHERS, 20 PER BAG, P/N 1229-Y-2443.
WASHERS FOR THE FOLLOWING OUT-OF-PRODUCTION HEAVY-DUTY AXLES:
SFDD 4640 FAMILY: 3200-C-1225 FORWARD-REAR, REAR-REAR.
SUDD FAMILY: 3200-E-1227 FORWARD-REAR; 3200-L-1234 REAR-REAR.