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Bosch AL401X Alternator
Reliable Alternator Replacement for Porsche 911
The Bosch AL401X Alternator (Remanufactured) is designed to provide dependable electrical charging performance for your Porsche 911. Engineered to meet OEM specifications, this 12-volt alternator ensures consistent power delivery and efficient operation.
- Voltage: 12V for standard automotive electrical systems
- Amperage Rating: 90 amps to support vehicle electrical demands
- Rotation Direction: Clockwise for proper fit and function
- External Fan Included for enhanced cooling
- Internal Regulator Type with external regulator included
- Aluminum Case Material and Color for durability and heat dissipation
- Plug Type 406 with 7-pin rear view main mounting ear at 6 o'clock
- Remanufactured quality meeting original equipment standards
About the Bosch Alternator (Remanufactured) Product Line
The Bosch Alternator (Remanufactured) line offers remanufactured alternators that maintain strict quality controls and OEM specifications. This product line focuses on restoring alternators to reliable working condition, providing a cost-effective alternative to new units without compromising performance. The AL401X is part of this line, ensuring compatibility and durability for Porsche 911 models.
Detailed Product Description
This Bosch AL401X alternator features a 12-volt system with a 90-amp output, suitable for the electrical requirements of the Porsche 911. The clockwise rotation and external fan design help maintain optimal operating temperatures, while the aluminum case provides lightweight strength and effective heat dissipation. The alternator includes an internal regulator and an external regulator, ensuring stable voltage regulation. The plug clock rear view main mounting ear positioned at 6 o'clock with 7 pins and plug type 406 ensures proper electrical connections and fitment. Note that this unit does not include a pulley, which must be sourced separately.
Common Applications and Issues Addressed
- Replacement for failing or weak alternators in Porsche 911 vehicles
- Resolves battery charging problems and electrical system malfunctions
- Addresses overheating issues with external fan cooling
- Corrects voltage regulation faults with internal and external regulators
- Restores proper electrical output to support vehicle accessories and engine management
Installation Notes and Tips
- Verify clockwise rotation direction matches your vehicle’s requirements
- Ensure compatibility with Porsche 911 electrical connectors and mounting points
- Confirm that the pulley is sourced separately as it is not included
- Check the external fan and regulator connections during installation
- Follow manufacturer torque specifications for mounting hardware
Quality Assurance and Warranty
As a remanufactured unit, the Bosch AL401X alternator undergoes rigorous testing to meet OEM standards for performance and reliability. The aluminum case and included external fan contribute to long service life. Warranty coverage details should be confirmed at the point of purchase, reflecting Bosch’s commitment to quality and customer satisfaction.
| Brand | Bosch |
|---|---|
| Part Number | AL401X |
| Position | Alternator (Remanufactured) |
| Amperage Rating | 90 |
| Case Color | Aluminum |
| Case Material | Aluminum |
| Cases Per Pallet (ORLY) | 100 |
| External Fan Included | Yes |
| External Regulator Included | Yes |
| Fan Type | External |
| New Or Remanufactured | Remanufactured |
| One Wire Capable | No |
| Original Equipment Manufacturer Names | PR |
| Outside Pulley Diameter | 0 |
| Packaging | Box |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 7 |
| Plug Type | 406 |
| Pulley Groove Quantity | 0 |
| Pulley Included | No |
| Pulley Type | NA |
| Pulley Type / Belt Type (Alternator) | NA |
| Regulator Type | Internal |
| Rotation Direction | Clockwise |
| Unit(s) per Car Qty (ORLY) | 1 |
| Voltage | 12 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1989 | Porsche | 911 | 3.3L | H6 | N/A | To 90 Amp Alternator; Alternator (Remanufactured) | |
| 1989 | Porsche | 911 | 3.2L | H6 | N/A | To 90 Amp Alternator; Alternator (Remanufactured) | |
| 1989 | Porsche | 911 | 3.6L | H6 | N/A | To 90 Amp Alternator; Alternator (Remanufactured) | |
| 1988 | Porsche | 911 | 3.3L | H6 | N/A | To 90 Amp Alternator; Alternator (Remanufactured) | |
| 1988 | Porsche | 911 | 3.2L | H6 | N/A | To 90 Amp Alternator; Alternator (Remanufactured) | |
| 1987 | Porsche | 911 | 3.3L | H6 | N/A | To 90 Amp Alternator; Alternator (Remanufactured) | |
| 1987 | Porsche | 911 | 3.2L | H6 | N/A | To 90 Amp Alternator; Alternator (Remanufactured) | |
| 1987 | Porsche | 911 | 3.3L | H6 | N/A | Alternator (Remanufactured) | |
| 1986 | Porsche | 911 | 3.3L | H6 | N/A | To 90 Amp Alternator; Alternator (Remanufactured) | |
| 1986 | Porsche | 911 | 3.2L | H6 | N/A | To 90 Amp Alternator; Alternator (Remanufactured) | |
| 1985 | Porsche | 911 | 3.2L | H6 | N/A | To 90 Amp Alternator; Alternator (Remanufactured) | |
| 1985 | Porsche | 911 | 3.2L | H6 | N/A | Alternator (Remanufactured) | |
| 1985 | Porsche | 911 | 3.3L | H6 | N/A | Alternator (Remanufactured) | |
| 1985 | Porsche | 911 | 3.2L | H6 | N/A | To 90 Amp Alternator; with Paris-Rhone Unit; Alternator (Remanufactured) | |
| 1984 | Porsche | 911 | Convertible | 3.2L | H6 | N/A | To 90 Amp Alternator; with Paris-Rhone Unit; Alternator (Remanufactured) |
| 1984 | Porsche | 911 | Targa | 3.2L | H6 | N/A | Alternator (Remanufactured) |
| 1984 | Porsche | 911 | Coupe | 3.2L | H6 | N/A | Alternator (Remanufactured) |
| 1984 | Porsche | 911 | 3.2L | H6 | N/A | Alternator (Remanufactured) | |
| 1984 | Porsche | 911 | 3.3L | H6 | N/A | Alternator (Remanufactured) | |
| 1984 | Porsche | 911 | 3.2L | H6 | N/A | To 90 Amp Alternator; with Paris-Rhone Unit; 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.