OE Quality
60-Day Returns

Bosch AL0785X Alternator
Reliable Alternator Replacement for Mercedes-Benz ML Series
The Bosch AL0785X Alternator (Remanufactured) is designed to provide dependable electrical charging performance for select Mercedes-Benz models. Engineered to meet OEM specifications, this 12-volt alternator ensures consistent power delivery for your ML55 AMG, ML430, and ML500 vehicles.
- Voltage: 12V for standard automotive electrical systems
- Amperage Rating: 150 amps to support high electrical loads
- Rotation Direction: Clockwise for proper engine compatibility
- Plug Type: 381 with rear view main mounting ear at 6 o'clock
- Fan Type: Internal for efficient cooling
- Regulator Type: Internal with external regulator included
- Pulley Groove Quantity: 6 grooves, compatible with 6s belt type
- Case Material and Color: Durable aluminum with aluminum finish
- Remanufactured unit meeting Bosch quality standards
About Bosch Alternator (Remanufactured) Product Line
The Bosch Alternator (Remanufactured) line offers high-quality remanufactured alternators that restore vehicle charging systems to original equipment performance. Each unit undergoes rigorous testing and refurbishment to ensure reliability and longevity. The AL0785X model is part of this line, providing a cost-effective solution without compromising on Bosch’s engineering standards.
Detailed Product Description
This Bosch AL0785X alternator is specifically designed for Mercedes-Benz ML55 AMG, ML430, and ML500 models, ensuring precise fitment and optimal electrical output. Featuring a 150-amp rating, it supports the demanding electrical systems of these vehicles. The internal fan design aids in maintaining proper operating temperatures, while the clockwise rotation matches the engine’s requirements. The alternator includes an internal regulator and an external regulator for stable voltage control. Its aluminum case offers durability and heat dissipation, and the 6-groove pulley design fits 6s belt types, although the pulley itself is not included.
Common Issues Addressed by This Alternator
- Battery not charging or slow charging
- Dim or flickering dashboard and headlights
- Electrical system warning lights illuminated
- Intermittent power loss during vehicle operation
- Unusual noises from the alternator area
Installation Notes and Tips
- Ensure compatibility with Mercedes-Benz ML55 AMG, ML430, and ML500 models before installation
- Check the rotation direction and plug type to match vehicle specifications
- Use proper tools to avoid damage to mounting ears and connectors
- Verify the external regulator is properly connected and functioning
- Inspect belt condition and tension; replace if worn
Quality Assurance and Warranty
This Bosch AL0785X alternator is remanufactured to meet strict Bosch quality standards, ensuring reliable performance and durability. It comes packaged securely in a box to prevent damage during transport. While specific warranty details may vary, Bosch remanufactured alternators typically include a limited warranty covering defects in materials and workmanship.
| Brand | Bosch |
| Part Number | AL0785X |
| Position | Alternator (Remanufactured) |
| Amperage Rating | 150 |
| Case Color | Aluminum |
| Case Material | Aluminum |
| Cases Per Pallet (ORLY) | 100 |
| External Regulator Included | Yes |
| Fan Type | Internal |
| New Or Remanufactured | Remanufactured |
| One Wire Capable | No |
| Original Equipment Manufacturer Names | BO |
| Outside Pulley Diameter | 51 |
| Packaging | Box |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 10 |
| Plug Type | 381 |
| Pulley Groove Quantity | 6 |
| Pulley Included | No |
| Pulley Type | 6S |
| Pulley Type / Belt Type (Alternator) | 6S |
| Regulator Type | Internal |
| Rotation Direction | Clockwise |
| Unit(s) per Car Qty (ORLY) | 1 |
| Voltage | 12 |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Mercedes-Benz | ML500 | 5.0L | V8 | N/A | To 150 Amp Alternator; with Bosch Unit; Alternator (Remanufactured) |
| 2003 | Mercedes-Benz | ML55 AMG | 5.5L | V8 | N/A | To 150 Amp Alternator; Alternator (Remanufactured) |
| 2002 | Mercedes-Benz | ML500 | 5.0L | V8 | N/A | To 150 Amp Alternator; Alternator (Remanufactured) |
| 2002 | Mercedes-Benz | ML55 AMG | 5.5L | V8 | N/A | To 150 Amp Alternator; Alternator (Remanufactured) |
| 2001 | Mercedes-Benz | ML430 | 4.3L | V8 | N/A | To 150 Amp Alternator; Alternator (Remanufactured) |
| 2001 | Mercedes-Benz | ML55 AMG | 5.5L | V8 | N/A | To 150 Amp Alternator; Alternator (Remanufactured) |
| 2000 | Mercedes-Benz | ML430 | 4.3L | V8 | N/A | To 150 Amp Alternator; Alternator (Remanufactured) |
| 2000 | Mercedes-Benz | ML55 AMG | 5.5L | V8 | N/A | To 150 Amp Alternator; Alternator (Remanufactured) |
| 1999 | Mercedes-Benz | ML430 | 4.3L | V8 | N/A | To 150 Amp Alternator; Alternator (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.