- Chrome-plated fill plug
- For 4-speed transmission models
- Made in the U.S.A.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1958-1964 | Harley-Davidson | Duo Glide FL | |
| 1958-1964 | Harley-Davidson | Duo Glide FLF | |
| 1958-1964 | Harley-Davidson | Duo Glide FLH | |
| 1958-1964 | Harley-Davidson | Duo Glide FLHF | |
| 1941-1950 | Harley-Davidson | E V Twin 61 | |
| 1940-1952 | Harley-Davidson | EL V Twin 61 | |
| 1979-1981 | Harley-Davidson | Electra Glide Classic FLHC | |
| 1965-1969 | Harley-Davidson | Electra Glide FLFB | |
| 1970-1985 | Harley-Davidson | Electra Glide FLH | |
| 1965-1969 | Harley-Davidson | Electra Glide FLHB | |
| 1970-1972 | Harley-Davidson | Electra Glide FLHF | |
| 1965-1969 | Harley-Davidson | Electra Glide FLHFB | |
| 1941-1950 | Harley-Davidson | F V Twin 74 | |
| 1979-1981 | Harley-Davidson | Fat Bob FXEF | |
| 1941-1948 | Harley-Davidson | FL V Twin 74 | |
| 1949-1957 | Harley-Davidson | Hydra Glide FL | |
| 1953-1957 | Harley-Davidson | Hydra Glide FLF | |
| 1955-1957 | Harley-Davidson | Hydra Glide FLH | |
| 1955-1957 | Harley-Davidson | Hydra Glide FLHF | |
| 1977-1982 | Harley-Davidson | Low Rider FXS | |
| 1983-1984 | Harley-Davidson | Low Rider FXSB | |
| 1980-1982 | Harley-Davidson | Sturgis FXB | |
| 1974-1984 | Harley-Davidson | Super Glide Electric Start FXE | |
| 1971-1978 | Harley-Davidson | Super Glide FX | |
| 1940-1948 | Harley-Davidson | U V Twin 74 | |
| 1940 | Harley-Davidson | UH V Twin 80 | |
| 1940-1948 | Harley-Davidson | UL V Twin 74 | |
| 1940 | Harley-Davidson | ULH V Twin 80 | |
| 1980-1984 | Harley-Davidson | Wide Glide FXWG | |