57-183
Oil seal by James Gaskets; for Axle spacer / Wheel hub / Swingarm; fits FL cast wheel front and rear 1973-1982, FX and Sportster front 1973-1982, Sportster 1979-1983 rear, FLT 1982-1984 and FXRT 1984, left/ also 4-speed Big Twin swingarms from 1973-1986; rubber / steel; ID x OD: 28.6 x 45.4 mm; 8 mm thick; replaces OEM HD 47519-72; gross weight: 10 g
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