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WAI 13790N Alternator
Reliable Alternator for Dodge and Jeep Vehicles
The WAI 13790N alternator is designed to provide consistent electrical charging performance for select Dodge and Jeep models. Engineered with a 136-amp rating and an internal fan, this alternator supports the demanding electrical systems of the Dakota, Durango, and Grand Cherokee.
- 12-volt electrical system compatibility
- Internal fan type for efficient cooling
- Clockwise (right) rotation direction
- Includes a 6-groove serpentine pulley
- External voltage regulator type
- Non-decoupled clutch pulley design
- Compatible with Denso alternator family
- Amperage rating of 136 amps
Technical Details and Features
The WAI 13790N alternator features an internal fan that helps maintain optimal operating temperatures during vehicle operation. Its clockwise rotation and 6-groove serpentine pulley ensure compatibility with the factory belt system on Dodge Dakota, Durango, and Jeep Grand Cherokee models. The external voltage regulator provides stable voltage output, while the absence of a decoupled or clutch pulley simplifies the design and maintenance. This alternator belongs to the Denso family, known for reliable electrical components.
Compatible Vehicles and Applications
This alternator is specifically compatible with the following vehicles:
- Dodge Dakota
- Dodge Durango
- Jeep Grand Cherokee
It is ideal for replacing worn or failing alternators in these models to restore proper charging system function.
Common Issues Addressed by the WAI 13790N Alternator
- Battery not charging or losing charge quickly
- Dimming or flickering vehicle lights
- Electrical system warning lights on the dashboard
- Unusual noises from the alternator pulley area
- Intermittent electrical failures or vehicle stalling
Installation Notes and Tips
When installing the WAI 13790N alternator, ensure the serpentine belt is properly aligned with the 6-groove pulley. Verify the rotation direction matches the original alternator to avoid premature wear. Since this alternator uses an external voltage regulator, confirm the regulator connections are secure. It is recommended to test the charging system after installation to confirm proper operation.
Quality Assurance and Warranty
WAI alternators are manufactured to meet industry standards for durability and performance. While specific warranty details are not provided here, WAI products typically come with a limited warranty covering defects in materials and workmanship. For exact warranty terms, please refer to the product documentation or contact the supplier.
| Brand | WAI |
|---|---|
| Part Number | 13790N |
| 12 | 12 |
| Fan Type | Internal |
| Rotation Direction | Clockwise (right) |
| Pulley Included | Yes |
| Family | Denso |
| Pulley Groove Quantity | 6 |
| Pulley Belt Type | Serpentine |
| Regulator Type | External |
| Decoupled Or Clutch Pulley | No |
| Amperage Rating | 136 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2000 | Dodge | Dakota | 4.7L | V8 | N/A | 117 or 136 Amp, Denso Unit, Supplied as 136 Amp |
| 2000 | Dodge | Durango | 4.7L | V8 | N/A | 117 or 136 Amp, Denso Unit, Supplied as 136 Amp |
| 2000 | Jeep | Grand Cherokee | 4.7L | V8 | N/A | 136 Amp |
| 1999 | Jeep | Grand Cherokee | 4.7L | V8 | N/A | 136 Amp OE# 5604 1324 |
* 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.