OE Quality
60-Day Returns

TYC 2-13940 Alternator
Overview of the TYC Alternator for Nissan Altima
The TYC 2-13940 alternator is designed specifically for Nissan Altima models, providing reliable electrical power generation. Featuring an internal fan and regulator, this alternator supports efficient engine operation and consistent battery charging.
- Power output of 110 amps for stable electrical performance
- Internal fan position for optimized cooling
- Regular pulley wheel design with 6 grooves
- Internal regulator for streamlined installation
- CW (clockwise) rotation direction compatible with Nissan Altima
- OE manufacturer: Hi
Technical Details and Specifications
This TYC alternator (part number 2-13940) is engineered to meet the electrical demands of Nissan Altima vehicles. The internal fan position helps maintain proper temperature during operation, reducing wear and extending alternator life. With a 110 amp power generation capacity, it supports the vehicle’s electrical system including lights, ignition, and accessories. The pulley wheel features a regular design with 6 grooves, ensuring proper belt alignment and tension. The internal regulator simplifies the alternator assembly and installation process. Designed for clockwise rotation, this alternator matches the original equipment specifications for Nissan Altima models.
Compatible Nissan Altima Models and Applications
This alternator is compatible with various Nissan Altima models requiring a 110 amp alternator with an internal fan and regulator. It is suitable for owners seeking a direct replacement part that maintains factory performance and fitment.
- Resolves battery charging issues
- Addresses dim or flickering headlights
- Fixes electrical system warning lights
- Eliminates unusual noises from the alternator area
- Restores proper belt tension and alignment
Installation Notes and Tips
When installing the TYC 2-13940 alternator on a Nissan Altima, ensure the belt is properly aligned with the 6-groove pulley. Verify the clockwise rotation direction matches the vehicle’s requirements. The internal fan and regulator reduce the need for additional components, simplifying installation. It is recommended to disconnect the battery before removal and installation to prevent electrical shorts. Check all electrical connections for corrosion or damage during installation.
Quality Assurance and Warranty Information
TYC alternators are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. This alternator includes an internal regulator and fan designed for long service life. The part number 2-13940 is backed by TYC’s quality control processes. Warranty coverage details should be confirmed with the distributor or retailer at the time of purchase.
| Brand | TYC |
| Part Number | 2-13940 |
| Fan Position | Internal |
| Oe Manufacturer | HI |
| Power Generation (amps) | 110A |
| Pully Wheel Design | Regular |
| Pully Wheel Grooves | 6 |
| Regulator Position | Internal |
| Rotation Direction | CW |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2006 | Nissan | Altima | SE | Sedan | 3.5L | V6 | N/A | Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 110A |
| 2006 | Nissan | Altima | SE-R | Sedan | 3.5L | V6 | N/A | Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 110A |
| 2006 | Nissan | Altima | SL | Sedan | 3.5L | V6 | N/A | Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 110A |
| 2005 | Nissan | Altima | SE | Sedan | 3.5L | V6 | N/A | Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 110A |
| 2005 | Nissan | Altima | SE-R | Sedan | 3.5L | V6 | N/A | Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 110A |
| 2005 | Nissan | Altima | SL | Sedan | 3.5L | V6 | N/A | Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 110A |
| 2004 | Nissan | Altima | SE | Sedan | 3.5L | V6 | N/A | Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 110A |
| 2003 | Nissan | Altima | SE | Sedan | 3.5L | V6 | N/A | Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 110A |
| 2002 | Nissan | Altima | SE | Sedan | 3.5L | V6 | N/A | Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 110A |
* 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.