INA FT10391 Accessory Drive Belt Tensioner

Reliable Accessory Drive Belt Tensioner for BMW Models

The INA FT10391 accessory drive belt tensioner is designed specifically for select BMW vehicles, including the 530i, 540i, 740i, 740iL, and 840Ci. This component ensures proper tension on the accessory drive belt system, maintaining optimal performance and preventing belt slippage.

• Compatible with BMW 530i, 540i, 740i, 740iL, and 840Ci models
• Part number FT10391 for precise identification
• Engineered to maintain correct belt tension and alignment
• Durable construction for consistent performance
• Direct replacement for original equipment tensioners

Product Details and Functionality

The INA FT10391 accessory drive belt tensioner plays a critical role in the belt system of BMW vehicles by applying the necessary tension to the accessory drive belt. This tensioner helps to reduce belt wear and noise while ensuring that components such as the alternator, power steering pump, and air conditioning compressor operate efficiently. Designed to meet OEM specifications, this tensioner provides reliable belt tension control for the BMW 530i, 540i, 740i, 740iL, and 840Ci models.

Common Applications and Problem Resolution

• Prevents belt slippage and squealing noises
• Reduces premature belt wear and damage
• Maintains proper accessory drive system performance
• Eliminates issues related to loose or worn tensioners
• Supports smooth operation of engine-driven accessories

Installation Notes and Tips

When installing the INA FT10391 tensioner, ensure the accessory drive belt is properly routed according to the vehicle’s service manual. Use appropriate tools to relieve tension safely before removal and installation. Verify belt alignment and tension after installation to avoid premature wear. It is recommended to inspect the belt and related components during replacement to maintain system integrity.

Quality Assurance and Warranty Information

INA manufactures the FT10391 tensioner to meet stringent quality standards, ensuring durability and reliable performance. This part is engineered to match OEM specifications for fit and function on compatible BMW models. Warranty coverage details should be confirmed with the distributor or retailer, as INA typically offers limited warranties on their automotive components.