The breather nipple provides reliable ventilation for engine and transmission cases, helping equalize pressure and reduce seal leaks. Made in the USA 🇺🇸
Precision-formed for a secure fit, this fitting resists corrosion and delivers long service life. Install with basic hand tools; no special modifications required.
Recommended for maintenance and rebuilds where proper ventilation is required. Inspect seals and hoses during installation and replace if worn.
This product fits the following vehicles. Use the filters below to narrow down the list if needed.
| Manufacturer | Model | Family | Year | Notes |
|---|---|---|---|---|
| Harley Davidson | Duo Glide | Big Twin | 1958 | |
| Harley Davidson | Duo Glide | Big Twin | 1959 | |
| Harley Davidson | Duo Glide | Big Twin | 1960 | |
| Harley Davidson | Duo Glide | Big Twin | 1961 | |
| Harley Davidson | Duo Glide | Big Twin | 1962 | |
| Harley Davidson | Duo Glide | Big Twin | 1963 | |
| Harley Davidson | Duo Glide | Big Twin | 1964 | |
| Harley Davidson | Duo Glide | Big Twin | 1958 | |
| Harley Davidson | Duo Glide | Big Twin | 1959 | |
| Harley Davidson | Duo Glide | Big Twin | 1960 | |
| Harley Davidson | Duo Glide | Big Twin | 1961 | |
| Harley Davidson | Duo Glide | Big Twin | 1962 | |
| Harley Davidson | Duo Glide | Big Twin | 1958 | |
| Harley Davidson | Duo Glide | Big Twin | 1959 | |
| Harley Davidson | Duo Glide | Big Twin | 1960 | |
| Harley Davidson | Duo Glide | Big Twin | 1961 | |
| Harley Davidson | Duo Glide | Big Twin | 1962 | |
| Harley Davidson | Duo Glide | Big Twin | 1963 | |
| Harley Davidson | Duo Glide | Big Twin | 1964 | |
| Harley Davidson | Duo Glide | Big Twin | 1958 | |
| Harley Davidson | Duo Glide | Big Twin | 1959 | |
| Harley Davidson | Duo Glide | Big Twin | 1960 | |
| Harley Davidson | Duo Glide | Big Twin | 1961 | |
| Harley Davidson | Duo Glide | Big Twin | 1962 |
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