High Output Alternator for Dodge Ram 1500 2500 3500 (2009-2010) 5.7L

High-Amp Direct-Fit 250A Alternator for 2009-2010 Dodge Ram 1500, Ram 2500, Ram 3500 (DS / DJ / D2)

What it Does: The 250-amp high output alternator replaces the factory charging unit on the 2009-2010 Dodge Ram 1500, Ram 2500, and Ram 3500 to deliver stable, high-capacity 12V current under extreme electrical demands.

The Stock Dodge Ram 1500, Ram 2500, Ram 3500 Charging Limitation

Factory charging systems on the DS, DJ, and D2 platforms are equipped with standard 136A to 160A alternators engineered strictly for base electrical loads. When running modern accessories—such as auxiliary off-road lighting, high-wattage sound systems, high-amp electric recovery winches, or auxiliary cooling fans—the OEM stator windings and internal rectifiers reach thermal saturation. This leads to voltage drop below 12.8V at idle, persistent battery discharge, accelerated diode degradation, dimming headlights, and intermittent electrical accessory cut-out under heavy duty cycles.

The Engineering Solution

Engineered around heavy-gauge pure copper stator windings and a precision dynamic-balanced rotor, this 250-amp replacement unit eliminates voltage sag while operating safely on stock wiring. High-grade sealed dual bearings withstand continuous serpentine belt radial loads, while an internal high-efficiency solid-state voltage regulator maintains a steady 13.5V to 14.5V output curve across all RPM bands. Designed as a direct bolt-in replacement for OEM unit 56028697AM, it utilizes factory mounting bosses, standard pulley offset, and the OEM plug interface without requiring harness rewiring.

What's Included

• 1 High Output 250A Alternator

Technical Specifications

Compatibility

• 2009-2010 Dodge Ram 1500 5.7L Hemi V8
• 2009-2010 Dodge Ram 2500 5.7L Hemi V8
• 2009 Dodge Ram 3500 5.7L Hemi V8

Frequently Asked Questions & Fitment Warnings

Does this fit the DS / DJ / D2 Ram 1500, Ram 2500, Ram 3500?

Yes, this is a direct fit for the 2009-2010 Dodge Ram 1500, Ram 2500, and 2009 Ram 3500 equipped with the 5.7L Hemi V8 engine. Does not fit 3.7L V6, 4.7L V8, or 6.7L Cummins Turbo Diesel models.

Do I need to upgrade wiring when installing this unit?

While this alternator utilizes the factory connector and wiring safely, completing a "Big 3" cable upgrade (main charge wire and ground straps) is recommended to realize the full 250-amp output under peak draw.

The Dodge Heavy-Duty Caliber

Purpose-built for demanding towing profiles, job-site auxiliary power, and rigorous off-road conditions, this unit ensures your electrical system delivers reliable, uncompromised voltage when severe workloads push your truck to the limit.