GDSMOTU 13871 Alternator for Chrysler Town & Country, Dodge Caravan & Grand Caravan 3.3L/3.8L V6

Technical Specifications

Alternator amperage is not specified in the supplied manufacturer information. Confirm the required factory output rating before purchasing.

OEM and Interchange Part Numbers

This GDSMOTU alternator is advertised as compatible with the following Chrysler, Dodge, and aftermarket replacement numbers.

Chrysler / Dodge OE References:

• 04868431AF

• 04868431AG

• 4868431AB

• 4868431AC

• 4868431AD

• 4868431AF

• 4868431AG

Additional Interchange Numbers:

• 13871

• 13871N

• 3341406

• AND0293

• VND0293

• 421000-0011

• 421000-0012

• 421000-0013

• 421000-0222

• 421000-0223

• 421000-0225

• 400-52256R

• VDN11360901-A

• 1-2505-01ND-3

These reference numbers are provided for identification and comparison. Verify interchange compatibility with your vehicle’s original alternator before installation.

Restore Reliable Charging to Your Chrysler or Dodge Minivan

Your alternator supplies electrical power while the engine is running and helps maintain battery charge after starting.

On older Chrysler and Dodge minivans, a failing alternator can create frustrating electrical problems that may initially appear to be caused by a weak battery.

The GDSMOTU 13871 is designed to replace a compatible factory alternator and restore proper electrical-system operation.

Its copper windings, aluminum housing, and internal cooling fan are intended to support reliable charging performance during everyday driving.

6-Groove Decoupler Pulley Design

One important feature of the GDSMOTU 13871 alternator is its 57mm, 6-groove decoupler pulley.

Unlike a conventional solid alternator pulley, a decoupler pulley is designed to help manage rotational speed fluctuations in the accessory drive system.

Potential benefits include:

• Reduced serpentine belt vibration

• Improved accessory drive smoothness

• Reduced belt tensioner movement

• Less drivetrain-related accessory noise

• Improved management of alternator rotational inertia

Because pulley configurations can vary between alternator applications, confirm that your original alternator uses the correct decoupler design before ordering.

Common Symptoms of a Failing Alternator

A failing alternator on a Chrysler Town & Country or Dodge Caravan may produce symptoms such as:

• Battery warning light illuminated

• Repeated dead battery problems

• Dim or flickering headlights

• Electrical accessories operating inconsistently

• Difficulty restarting after driving

• Unusual whining or grinding noises

• Low or unstable charging voltage

• Engine stalling after the battery becomes discharged

These symptoms can also result from a weak battery, worn serpentine belt, damaged wiring, or poor electrical grounds.

Before replacing the alternator, test the charging system to confirm the source of the problem.

For additional automotive electrical troubleshooting, repair information, and maintenance guides, visit My Pro Street Online.

Installation Recommendations

Before installing your GDSMOTU 13871 alternator, disconnect the negative battery terminal and follow the applicable factory service procedure.

Compare the new alternator with the original assembly, including mounting points, electrical connectors, pulley diameter, pulley groove count, and decoupler configuration.

Inspect the serpentine belt, tensioner, battery terminals, and charging-system wiring during replacement.

After installation, verify charging-system operation with appropriate diagnostic equipment.

Important: Many Chrysler and Dodge vehicles from this generation use PCM-controlled charging systems. A charging problem may involve the powertrain control module, field-control wiring, or battery temperature sensing rather than the alternator itself. Diagnose these components before replacing a suspected faulty alternator.

Why Choose the GDSMOTU 13871 Alternator?

The GDSMOTU 13871 provides an OE-style replacement option for select Chrysler Town & Country, Voyager, Dodge Caravan, and Grand Caravan applications equipped with 3.3L and 3.8L V6 engines.

Featuring a 12V electrical configuration, 6-groove decoupler pulley, copper windings, and die-cast aluminum housing, this alternator is designed to restore reliable charging performance when properly matched to the original equipment.

Shop replacement alternators and automotive electrical components at Pro Street Online. Find the right replacement part, complete your repair, and keep your Chrysler or Dodge minivan on the road.