OE Quality
60-Day Returns

MPA Electrical 11309 Alternator
Reliable Alternator for Mercedes-Benz GL320, ML320, and R320
The MPA Electrical Remanufactured Alternator 11309 is designed to meet the electrical demands of Mercedes-Benz GL320, ML320, and R320 models. This 12-volt alternator delivers 180 amps of power, ensuring consistent charging and reliable vehicle operation.
- 180 amps output for efficient charging
- Internal fan for optimal cooling
- 8 groove serpentine clutch pulley for smooth belt engagement
- Internal voltage regulator for stable electrical performance
- Clockwise rotation with 3:00 clock position
- Manufactured by Valeo, a trusted OEM supplier
Detailed Features and Specifications
This alternator features an internal fan that helps maintain proper operating temperature, reducing the risk of overheating during extended use. The 8 groove serpentine clutch pulley is designed to fit the belt system of Mercedes-Benz GL320, ML320, and R320 models, providing reliable power transfer and minimizing belt wear. The internal voltage regulator ensures consistent 12-volt output, protecting your vehicle’s electrical components. With a clockwise rotation and a 3:00 clock position, this alternator matches the original equipment specifications for seamless installation.
About the MPA Electrical Remanufactured Product Line
The Remanufactured line from MPA Electrical offers alternators that have been carefully rebuilt to meet or exceed original equipment standards. This process includes thorough inspection, replacement of worn components, and testing to ensure reliable performance. Choosing a Remanufactured alternator like part number 11309 provides a cost-effective solution without compromising quality or fitment for your Mercedes-Benz GL320, ML320, or R320.
Common Applications and Problem Resolution
- Replaces failing or weak alternators causing battery drain
- Solves dim or flickering headlights due to charging issues
- Addresses dashboard warning lights related to charging system faults
- Fixes electrical accessory malfunctions caused by inconsistent voltage
- Restores proper battery charging to prevent vehicle starting problems
Installation Notes and Tips
Ensure the vehicle battery is disconnected before beginning installation to avoid electrical shorts. Verify the alternator’s 3:00 clock position and clockwise rotation match your vehicle’s original part. Use proper torque specifications when tightening mounting bolts and ensure the serpentine belt is correctly aligned on the 8 groove pulley. After installation, test the charging system voltage to confirm proper operation.
Quality Assurance and Warranty
MPA Electrical Remanufactured alternators undergo comprehensive testing to verify amperage output, voltage regulation, and mechanical integrity. This alternator is manufactured by Valeo, a reputable OEM supplier, ensuring adherence to strict quality standards. Warranty coverage details should be confirmed at the point of purchase.
| Brand | MPA Electrical |
| Part Number | 11309 |
| Position | Remanufactured |
| Amps | 180 Amps |
| Clock | 3:00 |
| Fan | Internal |
| Manufacturer | Valeo |
| Pulley | 8 Groove Serpentine Clutch Pulley |
| Regulator | Internal |
| Rotation | Clockwise |
| Volts | 12 Volts |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Mercedes-Benz | ML320 | 3.0L | V6 | N/A | w/ Valeo alt.; Remanufactured |
| 2008 | Mercedes-Benz | R320 | 3.0L | V6 | N/A | To 02/19/2008, w/ Valeo Alternator; Remanufactured |
| 2007 | Mercedes-Benz | GL320 | 3.0L | V6 | N/A | w/ Valeo alt.; Remanufactured |
| 2007 | Mercedes-Benz | ML320 | 3.0L | V6 | N/A | w/ Valeo alt.; Remanufactured |
| 2007 | Mercedes-Benz | R320 | 3.0L | V6 | N/A | w/ Valeo alt.; 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.