S&S Cycle Replacement Crankcase Breather Hose for 1991-2006 Harley-Davidson Big Twin
A deteriorated or collapsed crankcase breather hose can restrict breather function, causing crankcase pressure to build and forcing oil past seals that were previously dry. The S&S Cycle Replacement Crankcase Breather Hose restores correct breather routing and flow on Big Twin engines, ensuring crankcase pressure vents correctly through the breather circuit without restriction.
Key Features
- Replacement crankcase breather hose for 1991-2006 Harley-Davidson Big Twin engines
- Restores correct breather routing and crankcase pressure venting without restriction
- Genuine S&S Cycle replacement part – same specification as original equipment
- Made in the USA
Technical Specifications
- Application: Crankcase breather hose, 1991-2006 Harley-Davidson Big Twin
- Country of Origin: USA
Fitment Notes
- Fits 1991-2006 Harley-Davidson Big Twin engines
- Replace any breather hose that is cracked, collapsed, or restricted – a failed breather hose causes crankcase pressure buildup and oil seal failure
- Review the Fitment tab for complete year and model breakdown
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