Litens 999202A Automatic Serpentine Belt Tensioner for Toyota/Lexus 4.7L 5.7L

The Litens 999202A Automatic Serpentine Belt Tensioner is an original equipment quality replacement part specifically engineered for Toyota and Lexus vehicles equipped with 4.7L and 5.7L gasoline and flex fuel engines. Manufactured by one of the world's largest original equipment tensioner suppliers, this tensioner meets all original equipment form, fit, and function specifications.

Key Features:

• Heavy-duty steel pulley construction with close tolerance ball bearing pocket for extended service life
• Internal round spring technology provides constant belt tension and alignment throughout service life
• Engine-tuned internal damping system reduces vibration and wear
• Electro-deposited coating on pulley for superior corrosion resistance
• Meets or exceeds all OE specifications for functionality and durability
• Installation instructions included for proper fitment

This tensioner automatically adjusts for belt stretch and wear, ensuring the serpentine belt remains correctly aligned and functioning effectively. The robust design helps maintain optimal tension on critical engine accessories including the alternator, water pump, power steering pump, and air conditioning compressor. Replaces OE reference number 166200S010.