Remy 12437 Alternator

Remanufactured Alternator for Mercedes-Benz and Chrysler

Remy Premium Remanufactured Part Number 12437 is a 12-volt alternator built for direct replacement in select Chrysler Crossfire and Mercedes-Benz AMG applications. With a 120 amp output, internal voltage regulation, and an included pulley, it supports stable charging performance for vehicles that rely on a Valeo OE design.

The Remy Premium Remanufactured line focuses on OE-style electrical replacement parts rebuilt to match original application requirements. This alternator is a practical choice when you need a remanufactured charging unit for a 2005-2006 Chrysler Crossfire or a 2002-2004 Mercedes-Benz C32 AMG or SLK32 AMG.

• 120 amp amperage rating for OE-level charging output
• 12-volt alternator with internal voltage regulator
• Internal fan design
• Clockwise rotation
• Pulley included
• Remanufactured unit built for Valeo-based applications
• Part number 12437 for easy identification

Detailed Product Overview

This Remy alternator is engineered for vehicles that use a Valeo charging system and require a 120 amp, 12V replacement. It is a strong match for drivers searching for a remanufactured alternator for 2005-2006 Chrysler Crossfire, or a replacement alternator for 2002-2004 Mercedes-Benz C32 AMG and SLK32 AMG. The internal regulator and internal fan support integrated charging-system operation, while the included pulley helps match the original accessory drive setup.

This part cross-references 112-154-02-02 and SG12B060 for the same application.

Common Problems This Part Can Address

• Battery warning light caused by charging-system failure
• Low system voltage during driving or idle
• Dim lights or electrical instability from weak alternator output
• Noise or charging issues related to a worn alternator assembly
• Failure of the original Valeo-style alternator on AMG and Crossfire applications

Installation Notes and Tips

Verify the vehicle’s original alternator specifications before installation, including amperage, rotation direction, and regulator style. Confirm pulley alignment and belt routing against the existing charging system, especially on Mercedes-Benz C32 AMG and SLK32 AMG models and the Chrysler Crossfire. Inspect the battery, belt condition, and charging connections during replacement to help avoid repeat charging faults.

Quality Assurance

Remy Premium Remanufactured parts are rebuilt for application-specific fitment and electrical performance. This alternator is remanufactured to serve as an OE-style replacement for Valeo-equipped charging systems.