Description
A properly functioning crankcase breather system is critical to engine longevity and performance—inadequate ventilation can lead to pressure buildup, oil leaks, and accelerated component wear. The S&S Cycle replacement breather hose ensures optimal crankcase evacuation on your Big Twin or Sportster, maintaining consistent engine pressure and preventing costly damage. This OEM-quality hose is a straightforward maintenance item that every Harley and Buell owner should have on hand.
- Fits 93-06 Big Twin
- Fits 91-06 XL Sportster
- Fits 94-02 Buell
- S&S Cycle OEM replacement
- MPN 17-0339
- Crankcase breather hose
- Designed Super E/G carburetors
- Bolt-on installation
- Prevents pressure buildup
- Reduces oil leakage








