New Old Stock Standard Generator, 2 brush per set RX-51 (Echlin # R-413). Replaces OEM no, 1878249, D-700, 1906917, D-706. We have a large stock of generator & starter brushes, field coils and drives. The majority are Echlin, Standard, Niehoff, Delco Remy, Autolite, Ace, most made in the USA. Still in original boxes.