INA FB4K339 Serpentine Belt - Air Conditioning or Power Steering

Reliable Serpentine Belt for BMW, Toyota, Nissan, and More

The INA FB4K339 serpentine belt is designed to provide consistent performance for a range of vehicles including BMW 325i, Toyota Tundra, and Nissan Altima models. Engineered to meet OEM specifications, this belt ensures proper accessory drive system operation.

• Compatible with BMW 325Ci, 330i, 525i, and X5 models
• Fits Chrysler Avenger, Dodge Sebring, Mazda Miata, and Nissan Altima
• Durable serpentine belt construction for long service life
• Part number FB4K339 for precise identification and fitment
• Designed for accessory drive belt system components

Product Details and Compatibility

The INA FB4K339 serpentine belt is a critical component in the accessory drive belt system, responsible for driving multiple engine accessories such as the alternator, power steering pump, and air conditioning compressor. This belt is compatible with a variety of makes and models, including BMW 325xi, 330xi, 530i, and Z4, as well as Toyota T100 and Tundra, Mazda Miata, Nissan Altima, and Chrysler Sebring. The precise fitment ensures optimal tension and alignment, reducing wear and maintaining engine efficiency.

Common Applications and Issues Addressed

• Replacement for worn or cracked serpentine belts causing squealing noises
• Restores proper function to accessory drive systems in BMW 330Ci and Toyota Tundra
• Prevents belt slippage and loss of power to engine accessories
• Addresses belt wear from high mileage on Nissan Altima and Mazda Miata
• Ensures consistent engine performance in Chrysler Avenger and Dodge Sebring

Installation Notes and Tips

When installing the INA FB4K339 serpentine belt, ensure the belt routing matches the vehicle’s accessory drive diagram. Use a belt tensioner tool to apply proper tension and avoid over-tightening, which can lead to premature belt failure. Inspect pulleys and tensioners for wear during replacement to maintain system integrity. This part number corresponds specifically to the listed vehicle models, so verify compatibility before installation.

Quality Assurance and Warranty

INA manufactures the FB4K339 serpentine belt to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details are not provided, INA products typically adhere to OEM quality requirements, offering confidence in fit and function for your BMW, Toyota, Nissan, and other compatible vehicles.