OE Quality
60-Day Returns

Bosch AL0727X Alternator
Reliable Alternator Replacement for Audi and Volkswagen Vehicles
The Bosch AL0727X Alternator (Remanufactured) is designed to restore proper charging system function in select Audi and Volkswagen models. Engineered to meet OEM specifications, this 12-volt alternator ensures consistent electrical performance for vehicles like the Audi A4, A4 Quattro, A6 Quattro, Volkswagen Passat, and S4.
- 12-volt electrical system compatibility
- 120 ampere output for efficient charging
- Internal fan type with included external fan for optimal cooling
- Clockwise rotation direction
- Includes pulley with 6 grooves and 64mm outside diameter
- Internal regulator and external regulator included
- Aluminum case material and color for durability and heat dissipation
- Plug type 367 with rear view main mounting ear at 6 o'clock
- Remanufactured to meet Bosch quality standards
About the Bosch Alternator (Remanufactured) Product Line
The Bosch Alternator (Remanufactured) line offers high-quality, factory-tested alternators that have been restored to meet original equipment manufacturer standards. This product line focuses on delivering reliable electrical charging components with verified performance, making it a practical choice for maintaining the charging system integrity in Audi and Volkswagen vehicles. The AL0727X is part of this line, providing a cost-effective alternative to new units without compromising on quality or fitment.
Detailed Product Description
The AL0727X alternator features a 12-volt system with a 120 amp rating, suitable for vehicles requiring robust electrical output. Its internal fan design is complemented by an included external fan, enhancing cooling efficiency during operation. The clockwise rotation and 6-groove pulley with a 64mm diameter ensure compatibility with the specified belt systems. The alternator includes both an internal regulator and an external regulator, providing stable voltage control. Constructed with an aluminum case, it offers durability and effective heat dissipation. The plug type 367 and rear view main mounting ear positioned at 6 o'clock facilitate straightforward installation in compatible Audi and Volkswagen models.
Common Applications and Issues Addressed
- Restores charging system functionality in Audi A4, A4 Quattro, A6 Quattro, Volkswagen Passat, and S4
- Resolves battery drain and electrical system failures
- Eliminates dimming headlights and inconsistent electrical performance
- Replaces faulty or worn alternators with a remanufactured unit
- Addresses issues related to voltage regulation and pulley wear
Installation Notes and Tips
- Ensure vehicle compatibility with Audi and Volkswagen models listed before installation
- Verify the plug type 367 and mounting ear position for proper fit
- Check belt alignment with the 6-groove pulley and 64mm diameter
- Follow manufacturer torque specifications for mounting bolts
- Test charging system voltage after installation to confirm proper operation
Quality Assurance and Warranty
This Bosch AL0727X alternator is remanufactured to meet stringent quality standards, ensuring reliable performance comparable to new units. It comes packaged securely in a box to protect during shipping. While specific warranty details are not provided here, Bosch remanufactured alternators typically include a limited warranty covering defects in materials and workmanship. Refer to Bosch or the parts distributor for exact warranty terms.
| Brand | Bosch |
| Part Number | AL0727X |
| Position | Alternator (Remanufactured) |
| Amperage Rating | 120 |
| Case Color | Aluminum |
| Case Material | Aluminum |
| Cases Per Pallet (ORLY) | 100 |
| External Fan Included | Yes |
| External Regulator Included | Yes |
| Fan Type | Internal |
| New Or Remanufactured | Remanufactured |
| One Wire Capable | No |
| Original Equipment Manufacturer Names | BO |
| Outside Pulley Diameter | 64 |
| Packaging | Box |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 8 |
| Plug Type | 367 |
| Pulley Groove Quantity | 6 |
| Pulley Included | Yes |
| 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 17 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Volkswagen | Passat | 2.8L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; Alternator (Remanufactured) | |
| 2003 | Audi | A6 Quattro | 2.7L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; Alternator (Remanufactured) | |
| 2003 | Volkswagen | Passat | 2.8L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; Alternator (Remanufactured) | |
| 2002 | Audi | A6 Quattro | 2.7L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; Alternator (Remanufactured) | |
| 2002 | Audi | S4 | 2.7L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; Alternator (Remanufactured) | |
| 2002 | Volkswagen | Passat | 2.8L | V6 | N/A | To 120 Amp Alternator; Alternator (Remanufactured) | |
| 2001 | Audi | A4 | 2.8L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; Alternator (Remanufactured) | |
| 2001 | Audi | A4 Quattro | 2.8L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; Alternator (Remanufactured) | |
| 2001 | Audi | S4 | 2.7L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; Alternator (Remanufactured) | |
| 2000 | Audi | A4 | 2.8L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; Alternator (Remanufactured) | |
| 2000 | Audi | A4 Quattro | 2.8L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; Alternator (Remanufactured) | |
| 2000 | Audi | S4 | 2.7L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; Alternator (Remanufactured) | |
| 2000 | Volkswagen | Passat | Sedan | 2.8L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; Alternator (Remanufactured) |
| 2000 | Volkswagen | Passat | 2.8L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; Alternator (Remanufactured) | |
| 1999 | Audi | A4 | 2.8L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; From Chassis # 8DX20000; Alternator (Remanufactured) | |
| 1999 | Audi | A4 Quattro | 2.8L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; From Chassis # 8DX20000; Alternator (Remanufactured) | |
| 1999 | Volkswagen | Passat | 2.8L | V6 | N/A | To 120 Amp Alternator; with Bosch Unit; From Chassis # 3BX150001; 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.