Harley Davidson Clutch Hub nut for Harley Panhead and Shovelhead engines. Replaces Harley Davidson Part: 37581-47 Sold : Each Fits: 1979-1980 1200 Fat Bob - FXEF 1977-1979 1200 Low Rider - FXS 1971-1978 1200 Super Glide - FX 1973-1980 1200 Super Glide - FXE 1978-1984 80 Electra Glide - FLH 1981 80 Electra Glide Heritage - FLH 1979-1981 80 Fat Bob - FXEF 1979-1982 80 Low Rider - FXS 1983-1984 80 Low Rider - FXSB 1980-1982 80 Sturgis - FXB 1979-1984 80 Super Glide - FXE 1980-1984 80 Wide Glide - FXWG 1983 Disc Glide - FXDG 1984 Disc Glide - FXRDG 1958-1964 Duo Glide - FL 1958-1964 Duo Glide - FLH 1948 EL 1965-1980 Electra Glide - FL 1965-1984 Electra Glide - FLH 1977 Electra Glide - FLHS 1980-1981 Electra Glide - FLHS 1983 Electra Glide - FLHT 1977-1981 Electra Glide Classic - FLH 1200 1979-1984 Electra Glide Classic - FLH 80 1983-1984 Electra Glide Classic - FLHTC 1984 Electra Glide Special - FLHX 1982-1984 Electra Glide Sport - FLHS 1948 FL 1949-1957 Hydra Glide - EL 1949-1957 Hydra Glide - FL 1941-1947 Knucklehead - EL 1941-1947 Knucklehead - FL 1984 Low Glide - FXRS 1984 Softail - FXST 1983-1984 Sport Glide - FXRT 1984 Super Glide - FXR 1982-1983 Super Glide II - FXR 1982-1983 Super Glide II - FXRS 1980-1983 Tour Glide - FLT 1980-1984 Tour Glide Classic - FLTC This is an Aftermarket Part This item is NOT a Harley Davidson product, nor a licensed Harley Davidson product; we do not intend any false advertising whatsoever. Harley Davidson part numbers are for reference only.