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Bosch AL3290X Alternator
| Brand | Bosch AL3290X |
|---|---|
| Amperage Rating | 70 |
| Case Color | Aluminum |
| Case Material | Aluminum |
| External Fan Included | Yes |
| External Regulator Included | Yes |
| Fan Type | Internal |
| New Or Remanufactured | Remanufactured |
| One Wire Capable | No |
| Original Equipment Manufacturer Names | ND |
| Outside Pulley Diameter | 57 |
| Packaging | Box |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 3 |
| Plug Type | 312 |
| Pulley Groove Quantity | 4 |
| Pulley Included | Yes |
| Pulley Type | 4S |
| Pulley Type / Belt Type (Alternator) | 4S |
| Regulator Type | Internal |
| Rotation Direction | Clockwise |
| Voltage | 12 |
| Product line | Alternator (Remanufactured) |
| Fits | Toyota · 9 vehicles |
Remanufactured alternator. Restored for dependable charging performance.
Aluminum case. Helps keep weight down while resisting corrosion.
Internal fan. Promotes efficient cooling during operation.
Cross-references 2706062190 for the same application. See all 1.
Bosch AL3290X Remanufactured Alternator
Bosch AL3290X is a remanufactured 12-volt alternator built for charging-system replacement on select Toyota trucks and SUVs. It is specified for 70-amp applications and uses an internal regulator, internal fan, and a 4-groove pulley setup for the listed fitments.
Key Features
- Remanufactured Bosch alternator for electrical charging system service
- 12-volt, 70-amp output rating
- Internal regulator and internal fan design
- Clockwise rotation
- Aluminum case construction
- Pulley included with 4-groove belt type
- External fan included
- External regulator included
- Plug type 312 with rear-view plug clocking at 6 o’clock
Product Details
Bosch Premium Alternators are remanufactured, tested charging components built to restore stable electrical output and dependable battery charging. The AL3290X is a direct-fit style replacement for Toyota Tundra, Tacoma, 4Runner, and T100 applications listed below, including 2000 Toyota Tundra, 1997-1999 Toyota Tacoma, 1996-1998 Toyota 4Runner, and 1997-1998 Toyota T100. This part cross-references Bosch-style application 2706062190 for the same fitment family. The Bosch AL3290X part number is also useful when matching the correct 70-amp alternator configuration for these vehicles.
Common Problems This Part Can Address
- Battery warning light caused by alternator output loss
- Low charging voltage at idle or under electrical load
- Dim headlights or unstable accessory operation
- Battery drain from a failing charging system
- Noise or wear associated with an aging alternator assembly
Installation Notes and Tips
Verify the vehicle’s original alternator output, pulley style, plug type, and mounting configuration before installation. This Bosch AL3290X alternator is listed for 70-amp applications and uses a 4-groove pulley, so matching the belt and connector layout is important for proper fitment on Toyota Tundra, Tacoma, 4Runner, and T100 models. Inspect the battery, belt condition, and charging cables during replacement to confirm the repair addresses the full charging system.
Quality Assurance
Bosch remanufactured alternators are built and tested to meet charging-system performance and reliability requirements for replacement use. The aluminum case, internal regulation, and remanufactured construction support consistent fitment and electrical function for the specified Toyota applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2000 | Toyota | Tundra | 3.4L | V6 | N/A | To 70 Amp Alternator; Alternator (Remanufactured) |
| 1999 | Toyota | Tacoma | 3.4L | V6 | N/A | To 70 Amp Alternator; Alternator (Remanufactured) |
| 1998 | Toyota | 4Runner | 3.4L | V6 | N/A | To 70 Amp Alternator; Alternator (Remanufactured) |
| 1998 | Toyota | T100 | 3.4L | V6 | N/A | To 70 Amp Alternator; Alternator (Remanufactured) |
| 1998 | Toyota | Tacoma | 3.4L | V6 | N/A | To 70 Amp Alternator; Alternator (Remanufactured) |
| 1997 | Toyota | 4Runner | 3.4L | V6 | N/A | To 70 Amp Alternator; Alternator (Remanufactured) |
| 1997 | Toyota | T100 | 3.4L | V6 | N/A | To 70 Amp Alternator; Alternator (Remanufactured) |
| 1997 | Toyota | Tacoma | 3.4L | V6 | N/A | To 70 Amp Alternator; Alternator (Remanufactured) |
| 1996 | Toyota | 4Runner | 3.4L | V6 | N/A | To 70 Amp Alternator; Alternator (Remanufactured) |
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