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Bosch AL3397X Alternator
| Brand | Bosch AL3397X |
|---|---|
| Amperage Rating | 130 |
| Case Color | Aluminum |
| Case Material | Aluminum |
| External Fan Included | No |
| External Regulator Included | No |
| Fan Type | Internal |
| New Or Remanufactured | Remanufactured |
| One Wire Capable | No |
| Original Equipment Manufacturer Names | ND |
| Outside Pulley Diameter | 52.5 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 4 |
| Plug Type | 295 |
| Pulley Groove Quantity | 7 |
| Pulley Included | Yes |
| Pulley Type | 7S |
| Pulley Type / Belt Type (Alternator) | 7S-DP |
| Regulator Type | Internal |
| Rotation Direction | Clockwise |
| Voltage | 12 |
| Product line | Alternator (Remanufactured) |
| Fits | Lexus and Toyota · 3 vehicles |
Remanufactured alternator. Built and tested for dependable charging performance.
Internal regulator. Integrated control keeps the charging system compact.
Aluminum case. Lightweight housing helps support reliable operation.
Cross-references 2706031111 and 270603111184 for the same application. See all 2.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Bosch AL3397X Alternator Overview
The Bosch AL3397X is a remanufactured 12-volt alternator built for charging-system replacement on select Toyota and Lexus applications. It delivers 130 amps and uses an internal regulator, internal fan, and clockwise rotation for the specified fitments.
Compatible with 2008-2009 Toyota Highlander and 2009 Lexus RX350, Japan built, this Bosch Premium Alternator line focuses on tested performance and dependable electrical output. The AL3397X includes a pulley and uses a 7-groove 7S-DP belt setup for the listed vehicles.
Key Features
- Remanufactured Bosch alternator for charging-system service
- 12-volt design with 130-amp output
- Internal voltage regulator and internal fan
- Clockwise rotation
- Pulley included; 7-groove pulley design
- Aluminum case and aluminum case material
- Fits select Toyota Highlander and Lexus RX350 applications
Product Details
Bosch Premium Alternators are remanufactured, built, and tested to support reliable electrical performance in demanding daily driving conditions. Part number AL3397X is specified for 2008-2009 Toyota Highlander models and the 2009 Lexus RX350, Japan built, with notes calling for a 130-amp alternator application. This part cross-references ND 2706031111 and 270603111184 for the same application.
Common Problems This Part Can Address
- Low charging output from a worn alternator
- Battery warning light caused by alternator failure
- Dim lights or unstable electrical performance
- Charging-system noise related to alternator wear
- Vehicle starting issues tied to insufficient alternator output
Installation Notes and Tips
Verify the vehicle’s alternator specification, pulley configuration, plug type 295, and 7-groove belt arrangement before installation. Confirm the clockwise rotation, internal regulator setup, and rear plug clocking at 4 o’clock from the rear view main mounting ear at 6 o’clock. Match the application exactly for 2008-2009 Toyota Highlander and 2009 Lexus RX350, Japan built, to ensure proper fitment.
Quality Assurance
Bosch remanufactured alternators are produced and tested to meet the brand’s charging-system standards for performance and reliability.
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Lexus | RX350 | AWD | 3.5L | V6 | N/A | Japan Built; To 130 Amp Alternator; Alternator (Remanufactured) |
| 2009 | Toyota | Highlander | — | 3.5L | V6 | N/A | To 130 Amp Alternator; Alternator (Remanufactured) |
| 2008 | Toyota | Highlander | — | 3.5L | V6 | N/A | To 130 Amp Alternator; Alternator (Remanufactured) |
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