Bosch AL9373X Alternator

Bosch AL9373X Remanufactured Alternator

The Bosch AL9373X remanufactured alternator is a 12-volt charging system component built for Mercedes-Benz applications that require stable electrical output and OE-style fitment. It features an internal regulator, internal fan, and a 180-amp amperage rating for vehicles equipped with the correct charging system configuration.

Bosch Premium Alternators are remanufactured, built, and tested to support dependable performance and consistent operation. This Bosch alternator, part number AL9373X, is designed for vehicles with a 6-groove pulley setup and clockwise rotation.

Key Features

• 12-volt remanufactured alternator
• 180-amp amperage rating
• Internal regulator and internal fan
• Clockwise rotation direction
• 6-groove pulley included
• Aluminum case and aluminum case material
• Plug type 464 with rear plug clock at 6 o’clock
• Not one-wire capable
• No external regulator and no external fan included

Detailed Description

Built for select Mercedes-Benz charging systems, the Bosch AL9373X alternator is a remanufactured replacement for vehicles that use a 12V, 180-amp unit with internal regulation. The aluminum housing, internal cooling fan, and included pulley support direct replacement in applications that match the original electrical and belt-drive configuration. This part number AL9373X also cross-references 0141543302 for the same application.

Compatible With Mercedes-Benz E350, Mercedes-Benz ML350, Mercedes-Benz GLE350, Mercedes-Benz C350, Mercedes-Benz SLK350, Mercedes-Benz R350, and Mercedes-Benz E300 applications listed below. Use the vehicle’s original alternator specifications, plug style, pulley type, and amperage rating to confirm match before installation.

Vehicle Fitment

• Fits 2018 Mercedes-Benz GLE350, N/A, to 180 Amp Alternator; without Start/Stop Feature
• Fits 2016-2017 Mercedes-Benz GLE350, N/A, without Start/Stop Feature
• Fits 2016 Mercedes-Benz GLE350, N/A
• Fits 2015-2016 Mercedes-Benz E300, N/A
• Fits 2012-2016 Mercedes-Benz E350, N/A, to 180 Amp Alternator
• Fits 2012-2014 Mercedes-Benz E350, N/A, without Start/Stop Feature
• Fits 2015 Mercedes-Benz C350, N/A, without Start/Stop Feature
• Fits 2012 Mercedes-Benz C350, N/A, to 180 Amp Alternator
• Fits 2012 Mercedes-Benz C350, N/A
• Fits 2012-2015 Mercedes-Benz ML350, N/A
• Fits 2012-2015 Mercedes-Benz ML350, N/A, to 180 Amp Alternator
• Fits 2015 Mercedes-Benz SLK350, N/A, to 180 Amp Alternator
• Fits 2012 Mercedes-Benz SLK350, N/A, to 180 Amp Alternator
• Fits 2012-2013 Mercedes-Benz R350, N/A, to 180 Amp Alternator

Common Replacement Uses

• Charging system warning light or battery light on the dash
• Low charging output from a worn alternator
• Electrical instability from a failing internal regulator
• Battery discharge caused by inconsistent alternator performance
• Belt-drive replacement when the original pulley or bearing assembly is worn

Installation Notes and Tips

Confirm the vehicle’s original amperage rating, plug type, pulley groove count, rotation direction, and Start/Stop equipment before ordering. This Bosch AL9373X uses a rear plug clock position at 6 o’clock and a 6-groove pulley, so matching the original unit is important for proper installation and charging performance. Verify belt alignment and electrical connector fitment during replacement.

Quality Assurance

Bosch remanufactured alternators are built and tested to meet the demands of modern charging systems. The AL9373X is produced as a remanufactured unit for direct-fit replacement in the listed Mercedes-Benz applications.