Remy 12433 Alternator

Remanufactured 150 Amp Alternator for Mercedes-Benz

Remy Part Number 12433 is a premium remanufactured alternator built for 12-volt charging systems with a 150 amp amperage rating, internal fan, internal voltage regulator, and clockwise rotation. It includes the pulley and is engineered as an OE-style replacement for select Mercedes-Benz applications with Bosch original equipment.

Key Features

• Remanufactured alternator for 12V charging systems
• 150 amp output for factory-style electrical performance
• Internal fan and internal voltage regulator
• Pulley included for direct replacement use
• Clockwise rotation
• OE manufacturer reference: Bosch
• Remy 12433 for select Mercedes-Benz charging system repairs

Product Details

Remy Premium Remanufactured line focuses on OE-based replacement components rebuilt to meet the needs of demanding electrical systems. This alternator is a direct-fit style replacement for vehicles that use a Bosch-designed 150 amp unit, including Mercedes-Benz C240, C320, CLK500, CLK55 AMG, C55 AMG, ML500, and SLK55 AMG applications. If you are replacing a failing Mercedes-Benz alternator, Remy 12433 provides the correct voltage, rotation, and regulator configuration for the listed vehicles.

This part cross-references Bosch 0-124-615-014 and 0-124-615-046 for the same application.

What It Helps Fix

• Battery warning light or charging system fault codes
• Low system voltage at idle or under load
• Dim headlights or unstable electrical performance
• Dead battery caused by alternator output loss
• Noise or charging failure from a worn original alternator

Installation Notes and Tips

Verify pulley style, rotation direction, amperage rating, and connector layout against the original unit before installation. This alternator is listed for multiple 150 amp Mercedes-Benz variants, so matching the OE number and vehicle build details is important for proper fitment. Confirm the charging system is in good condition after installation and inspect the battery and belt drive components during replacement.

Quality Assurance

Remy Premium Remanufactured parts are rebuilt for OE-style replacement use and backed by Remy’s remanufacturing process standards. Part Number 12433 is intended for direct replacement in the listed Mercedes-Benz applications.

Fitment

• Fits 2005-2010 Mercedes-Benz SLK55 AMG, N/A. Compatible with multiple 150 Amp alternator variants.; Premium Remanufactured
• Fits 2005-2006 Mercedes-Benz C55 AMG, N/A. Compatible with multiple 150 Amp alternator variants.; Premium Remanufactured
• Fits 2003-2006 Mercedes-Benz CLK500, N/A. Compatible with multiple 150 Amp alternator variants.; Premium Remanufactured
• Fits 2004-2006 Mercedes-Benz CLK55 AMG, N/A. Compatible with multiple 150 Amp alternator variants.; Premium Remanufactured
• Fits 2003-2005 Mercedes-Benz C240, N/A. Compatible with multiple 150 Amp alternator variants.; Premium Remanufactured
• Fits 2004-2005 Mercedes-Benz C320, N/A. Compatible with multiple 150 Amp alternator variants.; Premium Remanufactured
• Fits 2003-2005 Mercedes-Benz ML500, N/A. Compatible with multiple 150 Amp alternator variants.; Premium Remanufactured
• Fits 2003 Mercedes-Benz CLK55 AMG, N/A. 150 Amps; From 2/2003; Premium Remanufactured