- Spring for the oil pump check valve
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1941-1950 | Harley-Davidson | E V Twin 61 | |
| 1941-1952 | Harley-Davidson | EL V Twin 61 | |
| 1979-1980 | Harley-Davidson | Electra Glide Classic FLHC | |
| 1966-1969 | Harley-Davidson | Electra Glide FLFB | |
| 1970-1980 | Harley-Davidson | Electra Glide FLH | |
| 1966-1969 | Harley-Davidson | Electra Glide FLHB | |
| 1970-1972 | Harley-Davidson | Electra Glide FLHF | |
| 1966-1969 | Harley-Davidson | Electra Glide FLHFB | |
| 1980 | Harley-Davidson | Electra Glide Sport FLHS | |
| 1941-1950 | Harley-Davidson | F V Twin 74 | |
| 1979-1980 | Harley-Davidson | Fat Bob FXEF | |
| 1941-1948 | Harley-Davidson | FL V Twin 74 | |
| 1949-1955 | Harley-Davidson | Hydra Glide FL | |
| 1953-1955 | Harley-Davidson | Hydra Glide FLF | |
| 1955 | Harley-Davidson | Hydra Glide FLH | |
| 1955 | Harley-Davidson | Hydra Glide FLHF | |
| 1977-1980 | Harley-Davidson | Low Rider FXS | |
| 1980 | Harley-Davidson | Sturgis FXB | |
| 1974-1980 | Harley-Davidson | Super Glide Electric Start FXE | |
| 1971-1978 | Harley-Davidson | Super Glide FX | |
| 1980 | Harley-Davidson | Tour Glide FLT | |
| 1980 | Harley-Davidson | Wide Glide FXWG | |