221F Paughco Transmission fill plug. OEM hex style for Harley-Davidson
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Specifications
- Brand
- Paughco
- Part Number
- 221F
- OEM Reference
- 37072-79
- Pack Quantity
- Sold as ea
- Category
- Kickstart Covers
- VAT Rate
- 20%
About This Product
Paughco transmission fill plug. Chrome finish, no dipstick. Thread pitch is 7/8-18. Fits 1936 to 1986 4-speed OHV and Flathead Big Twin models. Replaces OEM 37072-79, 45830-48, and 2336-36. Doubles as a timing plug. It is a direct replacement. The hex head matches the original factory style. Check the thread pitch in your transmission case before ordering. Torque it by hand and nip it up. Do not overtighten.
Manufacturer part number: 221F.
Fitment
88 models36-86 4-speed OHV & Flathead Big Twin
FL Shovel 32 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1970–1974 | Electra Glide FL-1200 |
| Harley-Davidson | 1967–1969 | Electra Glide FLB-1200 |
| Harley-Davidson | 1966–1968 | Electra Glide FLFB-1200 |
| Harley-Davidson | 1978–1983 | Electra Glide FLH |
| Harley-Davidson | 1978 | Electra Glide FLH 80 FLH-80 |
| Harley-Davidson | 1970–1980 | Electra Glide FLH-1200 |
| Harley-Davidson | 1979–1980 | Electra Glide FLH-80 |
| Harley-Davidson | 1966–1969 | Electra Glide FLHB-1200 |
| Harley-Davidson | 1975 | Electra Glide FLHF |
| Harley-Davidson | 1971–1975 | Electra Glide FLHF-1200 |
| Harley-Davidson | 1966–1969 | Electra Glide FLHFB-1200 |
| Harley-Davidson | 1981 | Electra Glide FLHS |
| Harley-Davidson | 1977 | Electra Glide FLHS-1200 |
| Harley-Davidson | 1980 | Electra Glide FLHS-80 |
| Harley-Davidson | 1983 | Electra Glide FLHT |
| Harley-Davidson | 1984 | FLH Police 80 FLH |
| Harley-Davidson | 1981 | Glide Classic FLHC |
| Harley-Davidson | 1980 | Glide Classic FLHC-80 |
| Harley-Davidson | 1983 | Glide Classic FLHT |
| Harley-Davidson | 1975 | Glide Police FL |
| Harley-Davidson | 1981–1984 | Police Electra Glide FLH-1200 |
| Harley-Davidson | 1981–1984 | Police Electra Glide FLH-80 |
| Harley-Davidson | 1983 | Police FLH |
| Harley-Davidson | 1980 | Police FLH-1200 FLH-1200 |
| Harley-Davidson | 1980 | Touring Electra Glide Classic FHL-80 |
| Harley-Davidson | 1982 | Touring Electra Glide Classic FLHC |
| Harley-Davidson | 1979 | Touring Electra Glide Classic FLHC-80 |
| Harley-Davidson | 1983–1984 | Touring Electra Glide Classic FLHTC |
| Harley-Davidson | 1984 | Touring Electra Glide FLH |
| Harley-Davidson | 1979–1983 | Touring Electra Glide FLH-80 |
| Harley-Davidson | 1981–1984 | Touring Electra Glide Sport FLHS |
| Harley-Davidson | 1977 | Touring Electra Glide Sport FLHS-1200 |
FX Shovel 15 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1983–1984 | FX Low Rider FXSB |
| Harley-Davidson | 1982–1984 | FX Super Glide FXE |
| Harley-Davidson | 1976–1980 | FX Super Glide FXE-1200 |
| Harley-Davidson | 1977–1978 | FX Super Glide FXS-1200 |
| Harley-Davidson | 1979–1980 | FX Super Glide FXS-80 |
| Harley-Davidson | 1981 | FX Super Glide Fat Bob FXEF |
| Harley-Davidson | 1979–1980 | FX Super Glide Fat Bob FXEF-1200 |
| Harley-Davidson | 1979–1980 | FX Super Glide Fat Bob FXEF-80 |
| Harley-Davidson | 1981–1984 | FX Wide Glide FXWG |
| Harley-Davidson | 1980 | FX Wide Glide FXWG-80 |
| Harley-Davidson | 1976–1977 | Super Glide 1200 FX-1200 |
| Harley-Davidson | 1981–1982 | Super Glide B80 FXB |
| Harley-Davidson | 1980 | Super Glide B80 FXB-80 |
| Harley-Davidson | 1972–1975 | Super Glide FX-1200 |
| Harley-Davidson | 1973–1975 | Super Glide FXE-1200 |
FXR 8 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1985–1986 | FXR Custom FXRC |
| Harley-Davidson | 1982–1985 | FXR Low Glide FXRS |
| Harley-Davidson | 1986 | FXR Sport FXRS-SP |
| Harley-Davidson | 1983–1986 | FXR Super Glide FXR |
| Harley-Davidson | 1986 | FXR Touring FXRD |
| Harley-Davidson | 1984 | FXR Touring FXRDG |
| Harley-Davidson | 1983–1986 | FXR Touring FXRT |
| Harley-Davidson | 1984–1986 | Police Low Rider FXRP |
Knucklehead 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1938–1948 | Knucklehead E-1000 |
| Harley-Davidson | 1937–1948 | Knucklehead EL-1000 |
| Harley-Davidson | 1937–1947 | Knucklehead F-1200 |
| Harley-Davidson | 1937–1947 | Knucklehead FL-1200 |
Panhead 19 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1958–1964 | Duo Glide FL-1200 |
| Harley-Davidson | 1958–1964 | Duo Glide FLF-1200 |
| Harley-Davidson | 1958–1960 | Duo Glide FLH-1200 |
| Harley-Davidson | 1958–1964 | Duo Glide FLHF-1200 |
| Harley-Davidson | 1965 | Electra Glide FLB-1200 |
| Harley-Davidson | 1965 | Electra Glide FLFB-1200 |
| Harley-Davidson | 1965 | Electra Glide FLHB-1200 |
| Harley-Davidson | 1965 | Electra Glide FLHFB-1200 |
| Harley-Davidson | 1949–1951 | Hydra Glide E-1000 |
| Harley-Davidson | 1949–1952 | Hydra Glide EL-1000 |
| Harley-Davidson | 1949–1952 | Hydra Glide F-1200 |
| Harley-Davidson | 1949–1957 | Hydra Glide FL-1200 |
| Harley-Davidson | 1953–1956 | Hydra Glide FLE-1200 |
| Harley-Davidson | 1955–1956 | Hydra Glide FLEF-1200 |
| Harley-Davidson | 1952–1957 | Hydra Glide FLF-1200 |
| Harley-Davidson | 1955–1957 | Hydra Glide FLH-1200 |
| Harley-Davidson | 1955–1957 | Hydra Glide FLHF-1200 |
| Harley-Davidson | 1948 | Panhead F-1200 |
| Harley-Davidson | 1948 | Panhead FL-1200 |
Softail 3 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1985 | FX Low Rider FXSB |
| Harley-Davidson | 1985 | FX Super Glide Fat Bob FXEF |
| Harley-Davidson | 1984–1985 | Softail Standard FXST |
Sportster 1 model
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1967 | Sportster XLH-900 |
Touring 6 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1981 | Glide Classic FLTC |
| Harley-Davidson | 1982–1984 | Tour Glide Classic FLT |
| Harley-Davidson | 1979–1984 | Tour Glide FLT |
| Harley-Davidson | 1981–1984 | Touring Tour Glide Classic FLTC |
| Harley-Davidson | 1980–1981 | Touring Tour Glide FLT |
| Harley-Davidson | 1983 | Touring Tour Glide FLTD |
Planning other changes? Find your model in the bike customiser.
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