Internal primary case screw, 5/16"-18 x 1"

Ref. H-D : 4021

As per photos

Brand : Harley-Davidson

Type : New

Mounts on :

The part is compatible with the following motorcycles :

Sidecar
- Attachments Sidecar : (1979-1980).
- Attachments Sidecar : (1981-1984) Not Sold With Classic.
- Attachments Sidecar : (1981-1984) Sold With Classic.
- Attachments Sidecar : (1981-1984) Sold Separately For Use With Classic.

Touring
- Electra Glide : FL (1941-1948), FLH (1971-1972, 1981-1984), FLH-1200 (1970-1980), FLHP-1200 (1979-1980), FLH-80 (1978-1984), FLHB (1965-1969), FLHC (1979-1980), FLHF (1955-1972), FLHS (1981-1984), FLHT (1983-1984), FLHTC (1983-1994), FLHTCU (1989-1994).
- Duo-Glide : FL (1958-1964), FLF (1958-1964).
- Hydra-Glide : FL (1949-1957), FLF (1952-1957), FLE (1953-1956), FLEF (1953-1956).
- Police Electra Glide : FLHP-1200 (1979-1980), FLH1200 (1981-1984), FLH80 (1981-1984), FLHTP (1991-1995).
- Anniversary Electra Glide : FLH (1978).
- Tour Glide : FLT (1979-1984), FLTC (1980-1990), FLTD (1983).
- Electra Glide Shrine : FLH (1983-1984), FLH-80 (1979-1980), FLH80 (1981-1984).

Softail
- Softail Heritage : FLST (1986).
- Heritage Softail Classic : FLSTC (1987-1999).
- Softail Standard : FXST (1984-1986).
- Softail Custom : FXSTC (1986).

Dyna
- Sturgis : FXDB (1991).
- Daytona : FXDB (1992).
- Dyna Glide Custom : FXDG (1983).

FX
- Super Glide : FX-1200 (1971-1978), FXE (1981-1984), FXE-1200 (1973-1980), FXEF (1979-1985), FX (1981-1984).
- Low Rider : FXSB (1983-1985).
- Wide Glide : FXWG (1980-1986).

Police
- Police Electra Glide : FLH1200 (1979-1980), FLH-80 (1979-1980), FLHP-80 (1979-1980), FXRP (1984-1995).