- Improved material lasts longer than O.E.M. components
- Replaces the original tensioner assembly perfectly
- Replaces H-D® 39964-99A
- Sold individually
Upgrade your Harley Davidson Big Twin motorcycle with the TwinPower cam chain tensioner assembly, part number 486984. Designed specifically for models from 1999 to 2006, excluding the Dyna series from 2006, this assembly ensures optimal engine timing and reliability. Constructed with proven Twin Power™ shoe material, it offers longer service life, reduced friction, and higher temperature resistance compared to original equipment manufacturer (OEM) components. This durable material enhances performance and minimizes the need for frequent replacements, making it an excellent choice for long-term maintenance. The tensioner assembly is a direct replacement for the factory part H-D® 39964-99A, ensuring a perfect fit and seamless installation for your Harley Davidson motorcycle. Sold individually, this part is essential for maintaining proper cam chain tension, which is critical for engine efficiency and longevity.