Gates 90K-39212A Serpentine Belt Drive Component Kit

Reliable Accessory Belt Drive Kit for Mercedes-Benz Vehicles

The Gates Accessory Belt Drive Kit 90K-39212A is designed to provide a complete serpentine belt drive solution for select Mercedes-Benz models. Engineered to meet precise specifications, this kit ensures optimal performance and durability for your E350, GLK350, and ML350 vehicles.

• Includes serpentine belt, tensioner assembly (part number 39212), and idler pulley (part number 36435)
• Belt outside circumference: 2146 mm (84.5 inches)
• Belt top width: 20 mm (0.807 inches)
• Compatible with Mercedes-Benz E350, GLK350, and ML350 models
• Serpentine belt part number: K060840

About the Gates Accessory Belt Drive Kit

The Gates Accessory Belt Drive Kit line offers comprehensive solutions for accessory drive systems, combining high-quality belts with matching tensioners and idler pulleys. This kit (90K-39212A) is tailored to maintain proper belt tension and alignment, reducing wear and improving the reliability of your vehicle’s accessory components.

Product Details and Specifications

This serpentine belt drive component kit includes a belt with an outside circumference of 2146 mm (84.5 inches) and a top width of 20 mm (0.807 inches), designed to fit the accessory drive system of Mercedes-Benz E350, GLK350, and ML350 models. The included tensioner assembly (part number 39212) and idler pulley (part number 36435) work together to maintain optimal belt tension and routing, ensuring smooth operation of engine accessories such as the alternator, power steering pump, and air conditioning compressor.

Common Applications and Issues Addressed

• Replacement of worn or cracked serpentine belts
• Resolving belt slippage or squealing noises
• Correcting improper belt tension due to faulty tensioners
• Addressing accessory drive component misalignment
• Preventing premature belt failure and accessory damage

Installation Notes and Tips

When installing the Gates Accessory Belt Drive Kit 90K-39212A, ensure the belt routing matches the vehicle’s specifications. Verify the tensioner assembly and idler pulley are properly aligned and securely mounted. It is recommended to inspect all accessory pulleys for wear during installation to avoid premature belt wear. Use appropriate tools to relieve tension safely and avoid damage to components.

Quality Assurance and Warranty

Gates manufactures this Accessory Belt Drive Kit to meet or exceed OEM standards for fit, form, and function. The components are engineered for durability and consistent performance in Mercedes-Benz E350, GLK350, and ML350 models. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary.