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Bosch AL0837N Alternator
| Brand | Bosch AL0837N |
|---|---|
| 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 | Yes |
| External Regulator Included | Yes |
| Pulley Groove Quantity | 7 |
| Case Color | Silver |
| Outside Pulley Diameter | 55.9 |
| Regulator Type | Internal |
| Decoupled Or Clutch Pulley | Yes |
| AC Service Tap | No |
| Case Material | Aluminum |
| Amperage Rating | 150 |
| Mounting Type | Single pivoted lever |
| Brushless | No |
| Automotive Item Weight (lbs) | 16.336254 lb |
| New Or Remanufactured | New |
| Product Length | 7.677165 in |
| Pulley Type / Belt Type (Alternator) | 7s |
| Product line | Alternator (New) |
| Fits | Porsche and Volkswagen · 3 vehicles |
New unit. Direct replacement alternator with integrated regulation for service-ready installation.
150-amp output. Provides strong charging capacity for demanding electrical systems.
Pulley included. Features a 7-groove clutch pulley and aluminum housing.
Cross-references 021903026B and 95560301700 for the same application. See all 2.
Overview
Bosch AL0837N is a new alternator built for charging-system replacement on select Porsche and Volkswagen applications. It is a 14-volt unit with a 150-amp rating, internal regulation, and a pulley included for a direct service replacement.
Key Features
- New Bosch alternator, part number AL0837N
- 14-volt output with 150-amp amperage rating
- Internal fan and internal regulator
- 7-groove pulley with decoupled clutch pulley design
- Aluminum case with clockwise rotation
- Single pivoted lever mounting configuration
Detailed Description
This Bosch alternator is engineered as a new charging component for vehicles that require the AL0837N application. The unit uses a negative ground design, a short mounting configuration, and a 7S pulley belt type to match the specified charging system layout. Bosch Premium Alternators are designed, built, and tested for performance and reliability, and this AL0837N unit follows that approach with a new construction and integrated regulator.
Fitment includes 2005-2006 Porsche Cayenne and 2005 Volkswagen Touareg. This part cross-references Volkswagen and Porsche OE numbers 021903026B and 95560301700 for the same application. If you are replacing a worn charging unit on a Porsche Cayenne or Volkswagen Touareg, verify pulley, connector, and mounting details against the original part before installation.
What It Helps Resolve
- Low battery charging caused by alternator wear
- Charging warning lights from a failing generator assembly
- Voltage instability in the electrical system
- Noise or belt drive issues related to the alternator pulley
- Replacement needs for a damaged or non-functioning charging unit
Installation Notes
Confirm the connector orientation, mounting style, pulley configuration, and belt alignment before installation. This alternator uses an internal regulator and includes a pulley, so the replacement should be matched to the original charging-system specification. Professional installation is recommended for proper electrical testing after fitment.
Quality Assurance
Bosch Premium Alternators are designed, built, and tested to provide consistent performance and reliability. AL0837N is a new unit, not remanufactured.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2006 | Porsche | Cayenne | 3.2L | V6 | Alternator (New) |
| 2005 | Porsche | Cayenne | 3.2L | V6 | Alternator (New) |
| 2005 | Volkswagen | Touareg | 3.2L | V6 | Alternator (New) |
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