Bosch AL9444X Alternator

Reliable Remanufactured Alternator for BMW Models

The Bosch AL9444X Alternator (Remanufactured) is designed to provide dependable electrical charging performance for select BMW vehicles. Engineered with precision, this 12-volt alternator supports various BMW models including the 228i, 320i, 328i, 428i, 528i, X3, and Z4, ensuring consistent power delivery and system reliability.

• 12-volt electrical system compatibility
• Internal fan type with clockwise rotation
• Includes pulley with 8 grooves and 50.2 mm outside diameter
• Internal voltage regulator for stable output
• Aluminum case construction for durability and heat dissipation
• 170 ampere amperage rating suitable for demanding electrical loads
• Remanufactured to meet OEM specifications

Detailed Features and Specifications

This Bosch AL9444X alternator features an internal fan design that rotates clockwise, optimizing cooling within the unit without the need for an external fan. The pulley included is an 8-s groove type, measuring 50.2 mm in diameter, compatible with serpentine belt systems commonly found in BMW 228i, 320i, 328i, 428i, 528i, X3, and Z4 models. The alternator’s aluminum case provides a lightweight yet robust housing that aids in heat dissipation during operation. With an internal voltage regulator, this alternator maintains consistent voltage output, protecting your vehicle’s electrical components. Rated at 170 amps, it supports the electrical demands of modern BMW vehicles.

About Bosch Alternator (Remanufactured) Product Line

The Bosch Alternator (Remanufactured) product line offers remanufactured alternators that meet strict quality standards to restore vehicle charging systems to proper function. These units are rebuilt using original Bosch components and tested to ensure performance and reliability comparable to new parts. The AL9444X is part of this line, providing a cost-effective solution for BMW owners seeking a reliable replacement alternator without compromising on quality.

Common Applications and Problem Resolution

• Replaces failing or weak alternators causing battery drain
• Solves dimming headlights or electrical accessory malfunctions
• Addresses battery warning light illumination on dashboard
• Restores proper charging voltage to prevent battery damage
• Eliminates irregular engine performance related to electrical issues

Installation Notes and Tips

When installing the Bosch AL9444X alternator, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Verify the pulley alignment and belt tension to avoid premature wear. This alternator is designed for direct replacement on compatible BMW models, so no modifications are typically required. Confirm the clockwise rotation direction and internal fan configuration match the original unit for optimal performance.

Quality Assurance and Warranty

Each Bosch AL9444X alternator undergoes comprehensive testing to meet OEM standards for durability and electrical output. The remanufacturing process includes inspection, cleaning, and replacement of worn components to ensure reliable operation. While specific warranty details may vary, Bosch remanufactured alternators generally come with a limited warranty covering defects in materials and workmanship.