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Bosch AL6403X Alternator
| Brand | Bosch AL6403X |
|---|---|
| Voltage | 12 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 2 |
| Plug Type | 363 |
| Fan Type | Internal |
| Rotation Direction | Clockwise |
| External Fan Included | Yes |
| One Wire Capable | No |
| Pulley Included | Yes |
| External Regulator Included | Yes |
| Pulley Groove Quantity | 6 |
| Case Color | Aluminum |
| Outside Pulley Diameter | 55 |
| Regulator Type | External |
| Case Material | Aluminum |
| Amperage Rating | 132 |
| New Or Remanufactured | Remanufactured |
| Original Equipment Manufacturer Names | Bo |
| Packaging | Box |
| Pulley Type | 6s |
| Pulley Type / Belt Type (Alternator) | 6s |
| Product line | Alternator (Remanufactured) |
| Fits | Jeep · 2 vehicles |
Remanufactured alternator. Built and tested for dependable charging performance.
Aluminum case. Lightweight construction helps manage heat effectively.
Pulley included. Ready for a straightforward installation.
Cross-references 56041322 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Bosch Remanufactured Alternator for Jeep Grand Cherokee
This Bosch remanufactured alternator is built for 12-volt charging systems and is engineered for dependable electrical output in the vehicle’s charging circuit. It is a direct-fit replacement for select 1999-2000 Jeep Grand Cherokee applications and is identified by part number AL6403X.
Key Features
- Remanufactured Bosch alternator for charging-system service
- 12-volt unit with 132-amp amperage rating
- Internal fan design with clockwise rotation
- Includes pulley and external regulator
- 6-groove pulley with 55 mm outside diameter
- Aluminum case and aluminum case material for OE-style construction
- Plug type 363 with rear-view plug clock position at 6 o’clock
Product Line Details
Bosch Alternator (Remanufactured) units are part of Bosch’s charging-system line, focused on rebuilt electrical components that are tested for performance and reliability. This AL6403X alternator follows the original equipment style for the Jeep Grand Cherokee charging setup and supports proper system voltage regulation through its external regulator configuration.
Detailed Description
Use Bosch AL6403X when replacing a worn or failing alternator on a 1999-2000 Jeep Grand Cherokee. This remanufactured alternator is designed for vehicles originally equipped with a 136-amp alternator and provides 132 amps of output in a 12-volt system. The unit includes an internal fan, clockwise rotation, a 6S pulley type, and an external regulator, making it a practical choice for restoring charging performance in the Jeep Grand Cherokee electrical system. Bosch AL6403X is also cross-referenced to 56041322 for the same application.
Common Problems This Part Can Address
- Battery warning light caused by low alternator output
- Weak charging performance during driving or idle
- Electrical accessories losing power under load
- Battery drain from an alternator that no longer maintains system voltage
- Charging-system faults on 1999-2000 Jeep Grand Cherokee models
Installation Notes and Tips
Fits 1999-2000 Jeep Grand Cherokee, N/A. Confirm pulley alignment, connector style, and mounting-ear orientation before installation. Verify the vehicle uses the specified 136-amp alternator application and compare the plug type, pulley groove count, and regulator configuration to the original unit before replacement.
Quality Assurance
Bosch remanufactured alternators are built and tested to meet charging-system performance and reliability expectations. AL6403X is a remanufactured electrical component intended to restore proper alternator function in the specified Jeep Grand Cherokee applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2000 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | To 136 Amp Alternator; Alternator (Remanufactured) |
| 1999 | Jeep | Grand Cherokee | 4.0L | L6 | N/A | To 136 Amp Alternator; Alternator (Remanufactured) |
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