Bosch AL80X Alternator

Bosch AL80X Remanufactured Alternator

The Bosch AL80X is a remanufactured 12-volt alternator built for charging-system service on select Mercedes-Benz diesel models. It is specified with a 55-amp rating, aluminum case construction, an internal regulator, and a clockwise rotation design for the listed applications.

Bosch Premium Alternators are part of Bosch’s alternator line focused on performance and reliability through controlled build and test processes. For Mercedes-Benz 300D, 300TD, and 300SD applications, the AL80X provides a direct-fit charging solution with the correct pulley, fan, and plug configuration.

Key Features

• Remanufactured Bosch alternator for 12-volt charging systems
• 55-amp output rating
• Internal regulator with external regulator included
• External fan included
• Pulley included with 1-groove, 1V belt type
• Aluminum case and aluminum case color
• Clockwise rotation direction
• Plug type 110 with rear-view plug clock position at 8 o’clock

Detailed Description

The Bosch AL80X alternator is engineered for Mercedes-Benz diesel vehicles that require a remanufactured replacement with the correct electrical and mechanical configuration. It is listed for 1981-1985 Mercedes-Benz 300TD, 1981-1984 Mercedes-Benz 300D, 1981-1984 Mercedes-Benz 300SD, 1975-1980 Mercedes-Benz 300D, and 1979-1980 Mercedes-Benz 300TD. This part number, AL80X, also cross-references Bosch OE numbers used for the same application, including 0041542002 and 0041544402.

Compatible With Mercedes-Benz 300D, Mercedes-Benz 300TD, and Mercedes-Benz 300SD charging-system repairs where the original alternator uses a 12-volt, 55-amp, clockwise-rotation setup with a single-groove pulley.

What It Helps Address

• Battery warning light caused by alternator output loss
• Low charging voltage at idle or driving speeds
• Dim lights and electrical instability from weak charging performance
• Noise or wear related to a failing alternator assembly
• Replacement needs after alternator failure on Mercedes-Benz diesel models

Installation Notes and Tips

• Verify the plug type, plug clock position, pulley style, and rotation direction before installation.
• Confirm vehicle fitment by year and model, especially on Mercedes-Benz 300D and 300TD applications.
• Inspect the belt condition and charging-system connections during alternator replacement.
• Check battery condition and charging voltage after installation to confirm system performance.

Quality Assurance

Bosch remanufactured alternators are built and tested to meet application-specific performance and reliability requirements. The AL80X is a Bosch Premium Alternator designed for the listed Mercedes-Benz fitments and charging-system specifications.