Part #: 11444

MPA Electrical 11444 Alternator

Remanufactured
⚙️ 4 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: Mercedes-Benz, S450 and S550
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Reliable Alternator for Mercedes-Benz S450 and S550

The MPA Electrical Remanufactured Alternator 11444 is designed to meet the electrical demands of Mercedes-Benz S450 and S550 models. Engineered with precision, this 12-volt alternator delivers 220 amps to ensure consistent charging and starting performance.

  • 220 amps output for robust electrical power
  • Internal fan for efficient cooling
  • 6 groove serpentine pulley compatible with factory belts
  • Internal voltage regulator for stable voltage control
  • Clockwise rotation matching OEM specifications
  • Manufactured by Bosch for reliable remanufacturing quality

Detailed Features and Specifications

This alternator, part number 11444, is a remanufactured unit from MPA Electrical’s Remanufactured product line, which focuses on restoring components to meet original equipment standards. It features a 12-volt system with a 220-amp output, suitable for the high electrical load requirements of Mercedes-Benz S450 and S550 vehicles. The internal fan design helps maintain optimal operating temperatures, while the internal voltage regulator ensures consistent voltage output. The 6 groove serpentine pulley is designed for seamless integration with the vehicle’s belt system, and the clockwise rotation matches the original alternator’s rotation direction. Bosch serves as the original manufacturer, providing a solid foundation for the remanufacturing process.

Compatible Applications and Common Issues Addressed

  • Replacement for failing or weak alternators in Mercedes-Benz S450 and S550
  • Resolves battery charging problems and electrical system malfunctions
  • Addresses dimming headlights and electrical accessory failures
  • Fixes warning lights related to charging system faults
  • Restores proper voltage regulation and engine starting reliability

Installation Notes and Tips

When installing the MPA Electrical Remanufactured Alternator 11444, ensure the serpentine belt is properly aligned with the 6 groove pulley. Verify the clockwise rotation matches the vehicle’s original alternator to avoid compatibility issues. It is recommended to inspect the battery and electrical connections during installation to ensure optimal performance. Professional installation is advised to maintain vehicle safety and system integrity.

Quality Assurance and Warranty

MPA Electrical’s Remanufactured alternators undergo rigorous testing to meet OEM standards. This part number 11444 is remanufactured using Bosch components, ensuring durability and reliable performance. Warranty coverage details should be confirmed at the point of purchase, reflecting the manufacturer’s terms for remanufactured parts.

BrandMPA Electrical
Part Number11444
PositionRemanufactured
Amps220 Amps
Clock6:00
FanInternal
ManufacturerBosch
Pulley6 Groove Serpentine
RegulatorInternal
RotationClockwise
Volts12 Volts

This part fits 4 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2011Mercedes-BenzS4504.7LV8N/Aw/ Bosch 220 amp alt.; Remanufactured
2011Mercedes-BenzS5504Matic5.5LV8N/AHigh Capacity; Remanufactured
2010Mercedes-BenzS4504.7LV8N/Aw/ Bosch 220 amp alt., Rear Facing Battery Post; Remanufactured
2010Mercedes-BenzS5504Matic5.5LV8N/AHigh Capacity, From Chassis/VIN A 322943; 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:

0-121-813-023000-906-02-0011444

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