Part Description
Fits the remote rear brake reservoir on 1979-1984 FL, 1980-1996 Touring, 1983-1986 FX, 1982-2000 FXR, 1979-1985 Sportster and 1984-1999 FXST Softail, Top cover seal, Daytona Global (OEM 42455-80)
Text excerpt from the catalog:
Top cover gaskets and seals can be used with DOT 3, DOT 4 or DOT 5 brake fluid but you should always stay with the same brake fluid type as the three types are chemically incompatible.