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Bosch AL0787N Alternator
| Brand | Bosch AL0787N |
|---|---|
| Voltage | 14 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 1 |
| Fan Type | Internal |
| Ground Type | Negative |
| Mounting Configuration Code | Short |
| Rotation Direction | Clockwise (right) |
| One Wire Capable | No |
| Pulley Included | No |
| External Regulator Included | Yes |
| Pulley Groove Quantity | 6 |
| Case Color | Silver |
| Outside Pulley Diameter | 50 |
| Regulator Type | Internal |
| Decoupled Or Clutch Pulley | No |
| AC Service Tap | No |
| Case Material | Aluminum |
| Amperage Rating | 120 |
| Mounting Type | Single pivoted lever |
| Brushless | No |
| Automotive Item Weight (lbs) | 14.087539 lb |
| New Or Remanufactured | New |
| Product Length | 7.125984 in |
| Pulley Type / Belt Type (Alternator) | 6s |
| Product line | Alternator (New) |
| Fits | Mercedes-Benz · 22 vehicles |
New alternator. Built and tested for dependable charging performance.
Aluminum case. Lightweight construction helps support durability and heat management.
Internal regulator. Integrated design simplifies the charging system.
Cross-references 5097755AA, 5135465AA and 0111546402 for the same application. See all 4.
Bosch AL0787N Alternator for Mercedes-Benz
The Bosch AL0787N is a new 14-volt alternator built for steady charging performance in select Mercedes-Benz applications. It is a 120-amp unit with an internal regulator, internal fan, and clockwise rotation, making it a direct replacement choice for vehicles that need dependable electrical output.
Key Features
- New Bosch alternator, part number AL0787N
- 14-volt, 120-amp charging output
- Internal regulator with negative ground design
- Internal fan for compact charging system packaging
- 6-groove pulley type with 50 mm outside pulley diameter
- Short mounting configuration with single pivoted lever mounting type
- Aluminum case with silver finish
- External regulator included as listed in the product data
Product Details
Bosch Premium Alternators are engineered, built, and tested for consistent electrical performance and reliability. The AL0787N is a new alternator for Mercedes-Benz C240, C320, CLK320, ML350, C32 AMG, and SLK320 applications, with fitment covering 2001-2005 model years depending on the vehicle. This Bosch AL0787N alternator is a practical OE-style replacement for charging system service where stable voltage control and correct belt drive alignment matter.
This part cross-references Bosch-style OE numbers 0111546402 and 0111549102 for the same application.
What It Helps Resolve
- Battery warning light caused by low charging output
- Weak battery charging during normal driving
- Dim lights or electrical instability from alternator wear
- Charging system failure after regulator or internal component wear
- Noise or belt-drive issues related to alternator replacement needs
Installation Notes and Tips
Verify pulley style, connector layout, mounting configuration, and belt routing before installation. This alternator uses a 6-groove belt drive, clockwise rotation, and a short mounting configuration, so matching the original unit is important for proper fitment. Confirm the vehicle’s charging system specifications and inspect the belt, tensioner, and electrical connections during replacement.
Quality Assurance
Bosch manufactures this alternator as a new charging component and tests it for performance and reliability before release. For Mercedes-Benz C240, C320, CLK320, ML350, C32 AMG, and SLK320 service, the AL0787N provides a direct replacement option backed by Bosch’s premium alternator line.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Mercedes-Benz | C240 | 2.6L | V6 | — | N/A | Alternator (New) |
| 2005 | Mercedes-Benz | C320 | 3.2L | V6 | FLEX | N/A | Alternator (New) |
| 2005 | Mercedes-Benz | CLK320 | 3.2L | V6 | — | N/A | Alternator (New) |
| 2005 | Mercedes-Benz | ML350 | 3.7L | V6 | — | N/A | Alternator (New) |
| 2004 | Mercedes-Benz | C240 | 2.6L | V6 | — | N/A | Alternator (New) |
| 2004 | Mercedes-Benz | C32 AMG | 3.2L | V6 | — | N/A | Alternator (New) |
| 2004 | Mercedes-Benz | C320 | 3.2L | V6 | GAS | N/A | Alternator (New) |
| 2004 | Mercedes-Benz | CLK320 | 3.2L | V6 | — | N/A | Alternator (New) |
| 2004 | Mercedes-Benz | ML350 | 3.7L | V6 | — | N/A | Alternator (New) |
| 2004 | Mercedes-Benz | SLK320 | 3.2L | V6 | — | N/A | Alternator (New) |
| 2003 | Mercedes-Benz | C240 | 2.6L | V6 | — | N/A | Alternator (New) |
| 2003 | Mercedes-Benz | C32 AMG | 3.2L | V6 | — | N/A | Alternator (New) |
| 2003 | Mercedes-Benz | C320 | 3.2L | V6 | — | N/A | Alternator (New) |
| 2003 | Mercedes-Benz | CLK320 | 3.2L | V6 | — | N/A | Alternator (New) |
| 2003 | Mercedes-Benz | ML350 | 3.7L | V6 | — | N/A | Alternator (New) |
| 2003 | Mercedes-Benz | SLK320 | 3.2L | V6 | — | N/A | Alternator (New) |
| 2002 | Mercedes-Benz | C240 | 2.6L | V6 | — | N/A | Alternator (New) |
| 2002 | Mercedes-Benz | C32 AMG | 3.2L | V6 | — | N/A | Alternator (New) |
| 2002 | Mercedes-Benz | C320 | 3.2L | V6 | — | N/A | Alternator (New) |
| 2002 | Mercedes-Benz | SLK320 | 3.2L | V6 | — | N/A | Alternator (New) |
| 2001 | Mercedes-Benz | C320 | 3.2L | V6 | — | N/A | Alternator (New) |
| 2001 | Mercedes-Benz | SLK320 | 3.2L | V6 | — | N/A | Alternator (New) |
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