Description
A properly functioning oil pump is critical to engine longevity, and the check valve ball is the component that ensures consistent oil pressure and prevents backflow. If your Harley-Davidson is experiencing low oil pressure, irregular pump operation, or you’re performing routine maintenance, this OEM-specification S&S Cycle check valve ball restores proper hydraulic function. This is a wear item that benefits from periodic replacement to maintain peak engine protection.
- Manufacturer: S&S Cycle
- Part Number: 50-8091
- Application: Harley-Davidson oil pump
- Component: Check valve ball
- Material: Precision steel
- Function: Prevents oil backflow
- Installation: Bolt-on replacement
- OEM equivalent quality






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