Part #: 13974

MPA Electrical 13974 Alternator

Remanufactured
⚙️ 5 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
📦Remanufactured
🚗Fitment: BMW, M3
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Overview of MPA Electrical Remanufactured Alternator 13974

The MPA Electrical Remanufactured Alternator 13974 is designed specifically for BMW M3 models, providing reliable 12-volt electrical charging with a 120-amp output. This alternator features an internal fan and regulator, ensuring efficient operation and consistent power delivery for your vehicle's electrical system.

  • 120 amps output for stable electrical performance
  • 12 volts system compatibility
  • Internal fan for effective cooling
  • Internal voltage regulator for precise control
  • Clockwise rotation with 2:00 clock position
  • Manufactured by Valeo, without pulley included

Detailed Product Description

This remanufactured alternator from MPA Electrical is engineered to meet the electrical demands of BMW M3 vehicles. The 120-amp capacity supports the charging needs of modern automotive electrical systems, while the internal fan helps maintain optimal operating temperatures. The internal regulator ensures voltage stability, protecting your vehicle's battery and electrical components. The alternator rotates clockwise and is designed with a 2:00 clock position, matching the original equipment specifications for proper fitment and function. Note that this unit does not include a pulley, allowing for compatibility with existing pulley setups.

Compatible Vehicles and Common Applications

  • Replacement alternator for BMW M3 models requiring 120 amps output
  • Resolves issues related to battery not charging properly
  • Addresses dim or flickering headlights due to charging faults
  • Fixes electrical system warning lights related to alternator failure
  • Restores proper voltage regulation and prevents battery drain

Installation Notes and Tips

When installing the MPA Electrical Remanufactured Alternator 13974, ensure the alternator's clockwise rotation and 2:00 clock position align with your BMW M3's mounting configuration. Since this alternator does not include a pulley, reuse the existing pulley or source a compatible one separately. Verify all electrical connections are secure and free of corrosion to maintain optimal charging performance.

Quality Assurance and Warranty

MPA Electrical's Remanufactured product line offers alternators that have been thoroughly tested and rebuilt to meet OEM standards. The use of Valeo components ensures durability and reliability. This alternator is backed by a quality assurance process, providing confidence in its performance and longevity. Please refer to the specific warranty terms provided by MPA Electrical for coverage details.

BrandMPA Electrical
Part Number13974
PositionRemanufactured
Amps120 Amps
Clock2:00
FanInternal
ManufacturerValeo
PulleyWithout Pulley
RegulatorInternal
RotationClockwise
Volts12 Volts

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006BMWM33.2LL6N/ARemanufactured
2005BMWM33.2LL6N/ARemanufactured
2004BMWM33.2LL6N/ARemanufactured
2003BMWM33.2LL6N/ARemanufactured
2002BMWM33.2LL6N/ARemanufactured

* 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:

12-31-7-830-79112-31-7-831-43613974191344892542432437320439317SG12B039

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