Valeo 439298 Alternator

Valeo OE Alternator for Mercedes-Benz and Chrysler

The Valeo 439298 is a 14-volt, 120-amp alternator built for OE-style charging performance. It uses an internal fan, internal regulator, clockwise rotation, and a 6-groove serpentine pulley to match the electrical and belt-drive requirements of the listed vehicles.

Valeo’s Alternator line draws on the brand’s long history in electrical systems and original equipment supply. This premium alternator is 100% new and uses an aluminum housing for a lightweight, durable design. The Valeo 439298 is a direct-fit charging component for select Chrysler Crossfire and Mercedes-Benz models.

• 14V charging output with 120 amp amperage rating
• Internal fan and internal regulator for integrated control
• Clockwise rotation direction
• 6-groove serpentine pulley belt type
• Aluminum housing material
• Valeo OE family alternator
• Technical number: SG12B023

Fitment Details

• Fits 2004-2008 Chrysler Crossfire, N/A; OE Supplier 120 Amp for vehicle; Alternator
• Fits 2001-2005 Mercedes-Benz C240, N/A; OE Supplier 120 Amp for vehicle; Alternator
• Fits 2001-2005 Mercedes-Benz C320, N/A; OE Supplier 120 Amp for vehicle; Alternator
• Fits 2004-2005 Mercedes-Benz CLK320, N/A; OE Supplier 120 Amp for vehicle; Alternator
• Fits 2003-2005 Mercedes-Benz ML350, N/A; OE Supplier 120 Amp for vehicle; Alternator
• Fits 2002-2004 Mercedes-Benz C32 AMG, N/A; OE Supplier 120 Amp for vehicle; Alternator
• Fits 2001-2004 Mercedes-Benz SLK320, N/A; OE Supplier 120 Amp for vehicle; Alternator
• Fits 2002-2003 Mercedes-Benz ML320, N/A; OE Supplier 120 Amp for vehicle; Alternator

Common Charging System Issues

• Low battery charge or repeated battery drain
• Dim lights or unstable electrical output
• Charging warning light on the dash
• Alternator noise or belt-drive charging concerns
• Voltage drop affecting vehicle electrical performance

Installation Notes and Tips

Verify pulley groove count, rotation direction, amperage rating, and connector match before installation. Confirm the vehicle application against the listed fitment for Chrysler Crossfire and Mercedes-Benz C240, C320, CLK320, ML350, C32 AMG, SLK320, and ML320 models. Because this alternator uses an internal regulator and serpentine pulley setup, proper belt alignment and electrical connection checks are important during replacement.

Quality Assurance

Valeo has supplied original equipment electrical components since 1923, and this alternator is part of the Valeo OE family. The design is 100% new and built to OE-style specifications for the listed applications. This part cross-references Bosch AL0787X for the same application.