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Bosch AL3389X Alternator
| Brand | Bosch AL3389X |
|---|---|
| Voltage | 12 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 5 |
| Plug Type | 295 |
| Fan Type | Internal |
| Rotation Direction | Clockwise |
| External Fan Included | No |
| One Wire Capable | No |
| Pulley Included | Yes |
| External Regulator Included | No |
| Pulley Groove Quantity | 7 |
| Case Color | Aluminum |
| Outside Pulley Diameter | 53.7 |
| Regulator Type | Internal |
| Case Material | Aluminum |
| Amperage Rating | 150 |
| New Or Remanufactured | Remanufactured |
| Original Equipment Manufacturer Names | Nd |
| Pulley Type | 7s |
| Pulley Type / Belt Type (Alternator) | 7s-cp |
| Product line | Alternator (Remanufactured) |
| Fits | Toyota · 23 vehicles |
Remanufactured design. Built as a service replacement for charging-system repair.
150-amp output. Provides strong electrical charging capacity for demanding systems.
Internal regulation. Integrated regulator and fan simplify the alternator design.
Cross-references 2706031180 and 2706031260 for the same application. See all 2.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Remanufactured Bosch Alternator
Bosch AL3389X is a remanufactured 12-volt alternator built for charging-system replacement on select Toyota trucks and SUVs. It features an internal fan, internal regulator, and included pulley for a direct-fit service part.
Key Features
- 150-amp output for stable electrical charging performance.
- Remanufactured Bosch alternator with aluminum case construction.
- Internal fan and internal regulator for integrated operation.
- 7-groove pulley with 7S-CP belt type and clockwise rotation.
- Fits select Toyota 4Runner, FJ Cruiser, and Tundra applications.
Detailed Description
The Bosch AL3389X alternator is a remanufactured charging component engineered for vehicles that need dependable electrical output and consistent system voltage. With a 150-amp rating, 12-volt design, and included pulley, it supports replacement of the original charging unit while matching the specified plug and mounting configuration. This part cross-references Bosch-style interchange numbers 2706031180 and 2706031260 for the same application. Fits 2021-2023 Toyota 4Runner, N/A; Fits 2010-2020 Toyota 4Runner, N/A; Fits 2010-2014 Toyota FJ Cruiser, N/A; Fits 2011-2014 Toyota Tundra, N/A. Bosch AL3389X is a practical choice for Toyota 4Runner, FJ Cruiser, and Tundra charging-system service where the original alternator has failed or no longer maintains proper output.
What It Is Used For
- Restoring battery charging after alternator wear or failure.
- Correcting low-voltage or charging warning conditions.
- Replacing a unit with a mismatched pulley or plug configuration.
- Addressing charging instability under electrical load.
- Returning the vehicle to normal accessory and ignition power support.
Installation Notes and Tips
Verify the vehicle’s alternator amperage requirement before ordering, since some listed applications note a 100-amp limit. Confirm plug type, pulley style, rotation direction, and mounting-ear orientation against the original unit before installation. Use the vehicle’s charging-system specifications to ensure the replacement matches the factory configuration.
Quality Assurance
Bosch Premium Alternators are designed, built, and tested for performance and reliability. AL3389X is remanufactured to support consistent charging-system service in the specified Toyota applications.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2023 | Toyota | 4Runner | 4.0L | V6 | Alternator (Remanufactured) |
| 2022 | Toyota | 4Runner | 4.0L | V6 | Alternator (Remanufactured) |
| 2021 | Toyota | 4Runner | 4.0L | V6 | Alternator (Remanufactured) |
| 2020 | Toyota | 4Runner | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2019 | Toyota | 4Runner | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2018 | Toyota | 4Runner | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2017 | Toyota | 4Runner | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2016 | Toyota | 4Runner | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2015 | Toyota | 4Runner | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2014 | Toyota | 4Runner | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2014 | Toyota | FJ Cruiser | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2014 | Toyota | Tundra | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2013 | Toyota | 4Runner | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2013 | Toyota | FJ Cruiser | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2013 | Toyota | Tundra | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2012 | Toyota | 4Runner | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2012 | Toyota | FJ Cruiser | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2012 | Toyota | Tundra | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2011 | Toyota | 4Runner | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2011 | Toyota | FJ Cruiser | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2011 | Toyota | Tundra | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2010 | Toyota | 4Runner | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2010 | Toyota | FJ Cruiser | 4.0L | V6 | To 100 Amp Alternator; Alternator (Remanufactured) |
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