Litens 999220A Automatic Serpentine Belt Tensioner Assembly

The Litens 999220A is an automatic serpentine belt tensioner assembly manufactured by the world's largest supplier of original equipment power transmission products. This OE-quality tensioner meets all form, fit, and performance characteristics of the original equipment part, ensuring reliable accessory drive system operation.

Key Features:

• Internal round spring technology provides constant belt tension and alignment throughout service life
• Internal damping design delivers quiet, smooth system performance
• Supplied with pulley removed for easier installation (mounting bolt is located under the pulley)
• New mounting bolt included for ease of installation
• Installation instructions included
• Manufactured to original equipment specifications for functionality and durability

This tensioner automatically adjusts for belt stretch and wear, eliminating the need for manual adjustments while preventing belt slip and optimizing belt life. Since accessory drive belts and tensioners have similar design life targets, it's recommended practice to replace the tensioner when replacing a worn or broken belt to extend accessory drive life and reduce overall labor costs.