Dayco 89335 Accessory Drive Belt Tensioner Assembly - Main Drive

Overview of Dayco Accessory Drive Belt Tensioner Assembly 89335

The Dayco Accessory Drive Belt Tensioner Assembly 89335 is designed for precise serpentine belt tension control in select Chrysler and Mercedes-Benz vehicles. Engineered for clockwise operation with a single pulley, this automatic tensioner supports reliable accessory drive system performance.

• Serpentine belt type for smooth power transmission
• Clockwise direction tensioner operation
• Single pulley design with 95 mm diameter and 26 mm width
• Flat pulley surface for consistent belt contact
• Automatic tensioner type for maintenance-free adjustment

Technical Details and Specifications

This accessory drive belt tensioner assembly features a 95 mm diameter pulley with a 26 mm width and a flat surface, ensuring optimal belt alignment and reduced wear. The automatic tensioner maintains proper belt tension without manual adjustment, enhancing the longevity of the serpentine belt system. Its clockwise rotation matches the accessory drive requirements of various Chrysler and Mercedes-Benz models, including AMG and CLS series vehicles.

Compatible Vehicles and Applications

Compatible with a range of Chrysler and Mercedes-Benz models, this Dayco tensioner assembly fits vehicles such as the Mercedes-Benz C43 AMG, C55 AMG, CL55 AMG, CLS500, E55 AMG, G55 AMG, ML350, SL55 AMG, and the Chrysler Crossfire. It is suitable for models equipped with serpentine belt accessory drive systems requiring a clockwise automatic tensioner with a single pulley.

• Maintains proper serpentine belt tension to prevent slippage
• Reduces belt noise and vibration in accessory drive systems
• Prevents premature belt wear and accessory component damage
• Ensures consistent power delivery to alternator, power steering, and A/C compressor
• Addresses issues related to belt misalignment and tension loss

Installation Notes and Tips

Installation of the Dayco 89335 tensioner requires proper alignment with the serpentine belt routing specific to the vehicle model. Ensure the belt is correctly seated on the flat pulley surface and verify clockwise rotation during operation. It is recommended to inspect the serpentine belt and related components for wear during installation. Use appropriate tools to relieve tension safely and avoid damage to the tensioner or belt.

Quality Assurance and Warranty

Dayco manufactures this accessory drive belt tensioner assembly to meet OEM specifications for durability and performance. The automatic tensioner design supports consistent belt tensioning over the service life. While specific warranty terms may vary, Dayco products typically include coverage against manufacturing defects to ensure reliability in Chrysler and Mercedes-Benz applications.