S&S Cycle 31-4104A High-Performance Chrome Oil Filter

The S&S Cycle 31-4104A is a premium chrome-finished spin-on oil filter designed for Harley-Davidson motorcycles. Built with a durable steel canister, this filter houses advanced filtering media and internal components that deliver superior engine protection.

Key Features:

• Premium filtering media captures smaller particles than stock filters while maintaining minimal restriction to oil flow
• Direct bypass valve design routes bypass oil directly to the filter exit, minimizing unfiltered contaminants reaching the engine
• Compact diameter canister is slightly smaller than OEM filters for easier removal and installation
• Anti-drain back valve prevents oil from draining out of the filter during engine shutdown
• Includes drain plug O-ring with each filter
• Chrome finish for a clean, professional appearance
• Made in the USA

This filter replaces Harley-Davidson OEM part numbers 63798-99 and 63731-99A, making it compatible with 1999-2017 Twin Cam and Softail models. S&S Cycle has been manufacturing premium Harley-Davidson performance parts since 1958, ensuring quality and reliability you can trust.