Part #: 12857

Remy 12857 Alternator

Premium Remanufactured
⚙️ 40 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Premium Remanufactured
🚗Fitment: Dodge and Chrysler, Charger, 300, Challenger, and Magnum
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Alternator for Chrysler and Dodge Vehicles

The Remy Premium Remanufactured Alternator 12857 is designed to restore charging system performance in select Chrysler and Dodge models. Engineered to meet OEM specifications, this 12-volt alternator delivers consistent power output for vehicles like the Chrysler 300, Dodge Challenger, Charger, and Magnum.

  • Amperage Rating: 160 amps for stable electrical supply
  • Fan Type: Internal fan for efficient cooling
  • Remanufactured to OEM standards by Nippondenso
  • Includes pulley for straightforward installation
  • Clockwise rotation direction compatible with specified vehicles
  • External voltage regulator type for reliable voltage control

About the Premium Remanufactured Product Line

The Premium Remanufactured line from Remy offers alternators rebuilt to meet or exceed original equipment manufacturer standards. Each unit undergoes rigorous testing and quality checks to ensure durability and performance comparable to new parts. This approach provides a cost-effective solution for restoring electrical system functionality in Chrysler and Dodge vehicles without compromising reliability.

Product Details and Specifications

This Remy alternator, part number 12857, features a 160-amp output suitable for high electrical demand applications. The internal fan design helps maintain optimal operating temperatures, reducing wear and extending service life. The included pulley and clockwise rotation ensure compatibility with the charging systems of Chrysler 300, Dodge Challenger, Charger, and Magnum models. The external voltage regulator type supports stable voltage delivery, protecting vehicle electronics from fluctuations.

Common Applications and Problem Resolution

  • Restores charging system in Chrysler 300 and Dodge Charger vehicles
  • Replaces failing alternators causing battery drain or electrical issues
  • Solves dimming headlights and inconsistent electrical performance
  • Addresses warning lights related to charging system faults
  • Improves reliability in Dodge Magnum and Challenger electrical systems

Installation Notes and Tips

Installation of the Remy 12857 alternator should be performed by a qualified technician familiar with Chrysler and Dodge electrical systems. Ensure the battery is disconnected before removal and installation to prevent electrical shorts. Verify the clockwise rotation and pulley compatibility with the vehicle’s original alternator. After installation, check charging voltage and system operation to confirm proper function.

Quality Assurance and Warranty

Remy’s Premium Remanufactured alternators are tested to meet strict quality standards, ensuring dependable performance. While specific warranty details may vary, these alternators typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.

BrandRemy
Part Number12857
PositionPremium Remanufactured
Amperage Rating160
Fan TypeInternal
New or RemanufacturedRemanufactured
OE ManufacturerNippondenso
Pulley IncludedYes
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeExternal

This part fits 40 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2013DodgeCharger6.4LV8N/AStandard alternator; rated at 160 Amps; Premium Remanufactured
2012Chrysler3006.4LV8N/AStandard alternator; rated at 160 Amps; Premium Remanufactured
2012DodgeCharger6.4LV8N/AStandard alternator; rated at 160 Amps; Premium Remanufactured
2010Chrysler3006.1LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2010Chrysler3002.7LV6N/AFitment Note: 160 Amps, Optional; Premium Remanufactured
2010Chrysler3005.7LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2010Chrysler3003.5LV6N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2010DodgeChallenger6.1LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2010DodgeChallenger3.5LV6N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2010DodgeChallenger5.7LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2010DodgeCharger3.5LV6N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2010DodgeCharger6.1LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2010DodgeChargerR/T5.7LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2010DodgeCharger2.7LV6N/AFitment Note: 160 Amps, Optional; Premium Remanufactured
2010DodgeChargerSE5.7LV8N/AFitment Note: 160 Amps, Optional; Premium Remanufactured
2010DodgeChargerPursuit5.7LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2009Chrysler3006.1LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2009Chrysler3002.7LV6N/AFitment Note: 160 Amps, Optional; Premium Remanufactured
2009Chrysler3005.7LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2009Chrysler3003.5LV6N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2009DodgeChallenger6.1LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2009DodgeChallenger3.5LV6N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2009DodgeChallenger5.7LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2009DodgeCharger3.5LV6N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2009DodgeCharger6.1LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2009DodgeCharger2.7LV6N/AFitment Note: 160 Amps, Optional; Premium Remanufactured
2009DodgeCharger5.7LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2008Chrysler3002.7LV6N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2008Chrysler3006.1LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2008Chrysler3005.7LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2008Chrysler3003.5LV6N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2008DodgeChallenger6.1LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2008DodgeCharger3.5LV6N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2008DodgeCharger6.1LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2008DodgeCharger5.7LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2008DodgeCharger2.7LV6N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2008DodgeMagnum5.7LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2008DodgeMagnum2.7LV6N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2008DodgeMagnum6.1LV8N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured
2008DodgeMagnum3.5LV6N/A160 Amps - Please verify fitment for compatibility with various models and years before purchase.; Premium Remanufactured

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

421000-0620421000-06214896805AD4896805AE

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.