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MPA Electrical 11444 Alternator
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.
| Brand | MPA Electrical |
| Part Number | 11444 |
| Position | Remanufactured |
| Amps | 220 Amps |
| Clock | 6:00 |
| Fan | Internal |
| Manufacturer | Bosch |
| Pulley | 6 Groove Serpentine |
| Regulator | Internal |
| Rotation | Clockwise |
| Volts | 12 Volts |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Mercedes-Benz | S450 | 4.7L | V8 | N/A | w/ Bosch 220 amp alt.; Remanufactured | |
| 2011 | Mercedes-Benz | S550 | 4Matic | 5.5L | V8 | N/A | High Capacity; Remanufactured |
| 2010 | Mercedes-Benz | S450 | 4.7L | V8 | N/A | w/ Bosch 220 amp alt., Rear Facing Battery Post; Remanufactured | |
| 2010 | Mercedes-Benz | S550 | 4Matic | 5.5L | V8 | N/A | High 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.