OE Quality
60-Day Returns

MPA Electrical 13794N Alternator
Reliable Alternator for Toyota 4Runner, T100, Tacoma, and Tundra
The MPA Electrical New 13794N alternator is designed to provide consistent 12-volt electrical output with 80 amps of power. Engineered for select Toyota models, this alternator ensures your vehicle's charging system operates efficiently under various driving conditions.
- 80 amps output for stable electrical performance
- Internal fan design for effective cooling
- Clockwise rotation with a 4:00 clock position
- 4 groove serpentine pulley for proper belt alignment
- Internal voltage regulator for simplified installation
- Manufactured by Nippondenso, a trusted OEM supplier
Detailed Features and Specifications
This MPA Electrical New alternator, part number 13794N, is built with an internal fan that helps maintain optimal operating temperatures, reducing the risk of overheating during extended use. The 4 groove serpentine pulley matches factory belt configurations on Toyota 4Runner, T100, Tacoma, and Tundra models, ensuring seamless integration. Its internal voltage regulator simplifies the electrical system by eliminating the need for an external regulator, while the clockwise rotation and 4:00 clock position align with OEM specifications for these vehicles. Manufactured by Nippondenso, this alternator meets quality standards expected for reliable charging and starting performance.
MPA Electrical New Product Line Overview
The New product line from MPA Electrical focuses on delivering updated and reliable electrical components that meet or exceed OEM standards. This alternator is part of that line, offering a balance of durability and compatibility for Toyota trucks and SUVs. The New line emphasizes precise fitment and consistent electrical output, making it suitable for replacement or repair applications.
Common Applications and Problem Solving
- Restores charging system functionality in Toyota 4Runner, T100, Tacoma, and Tundra
- Replaces alternators with worn or damaged internal regulators
- Addresses issues related to insufficient amperage output
- Solves overheating problems caused by inefficient cooling fans
- Corrects pulley misalignment or belt slippage due to incompatible alternators
Installation Notes and Tips
When installing the MPA Electrical 13794N alternator, ensure the serpentine belt is properly routed over the 4 groove pulley to prevent slippage. Verify the clockwise rotation and 4:00 clock position match the original alternator to maintain correct alignment. Since the voltage regulator is internal, no additional wiring modifications are typically required. It is recommended to test the charging system after installation to confirm proper operation.
Quality Assurance and Warranty
This alternator is manufactured by Nippondenso, a reputable OEM supplier known for quality and reliability. The MPA Electrical New 13794N alternator undergoes rigorous testing to meet industry standards. Warranty details should be confirmed with the distributor or retailer, as coverage may vary.
| Brand | MPA Electrical |
| Part Number | 13794N |
| Position | New |
| Amps | 80 Amps |
| Clock | 4:00 |
| Fan | Internal |
| Manufacturer | Nippondenso |
| Pulley | 4 Groove Serpentine |
| Regulator | Internal |
| Rotation | Clockwise |
| Volts | 12 Volts |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Toyota | Tacoma | 3.4L | V6 | N/A | New |
| 2003 | Toyota | Tacoma | 3.4L | V6 | N/A | New |
| 2002 | Toyota | 4Runner | 3.4L | V6 | N/A | New |
| 2002 | Toyota | Tacoma | 3.4L | V6 | N/A | New |
| 2002 | Toyota | Tundra | 3.4L | V6 | N/A | w/ 80 amp alt.; New |
| 2001 | Toyota | 4Runner | 3.4L | V6 | N/A | New |
| 2001 | Toyota | Tacoma | 3.4L | V6 | N/A | New |
| 2001 | Toyota | Tundra | 3.4L | V6 | N/A | w/ 80 amp alt.; New |
| 2000 | Toyota | 4Runner | 3.4L | V6 | N/A | New |
| 2000 | Toyota | Tacoma | 3.4L | V6 | N/A | New |
| 2000 | Toyota | Tundra | 3.4L | V6 | N/A | w/ 80 amp alt.; New |
| 1999 | Toyota | 4Runner | 3.4L | V6 | N/A | New |
| 1998 | Toyota | T100 | 3.4L | V6 | N/A | New |
| 1997 | Toyota | 4Runner | 3.4L | V6 | N/A | New |
| 1997 | Toyota | T100 | 3.4L | V6 | N/A | New |
| 1997 | Toyota | Tacoma | 3.4L | V6 | N/A | New |
| 1996 | Toyota | 4Runner | 3.4L | V6 | N/A | New |
| 1996 | Toyota | T100 | 3.4L | V6 | N/A | New |
| 1996 | Toyota | Tacoma | 3.4L | V6 | N/A | New |
| 1995 | Toyota | T100 | 3.4L | V6 | N/A | New |
| 1995 | Toyota | Tacoma | 3.4L | V6 | N/A | New |
* 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.