OE Quality
60-Day Returns

MPA Electrical 15491N Alternator
Reliable Alternator for Nissan and INFINITI Vehicles
The MPA Electrical New 15491N alternator is designed to provide consistent 12-volt electrical output with 130 amps of power. Engineered for select Nissan and INFINITI models, this alternator ensures your vehicle's charging system operates efficiently under various driving conditions.
- 130 amps output for stable electrical performance
- 12 volts system compatibility
- Internal fan for effective cooling
- 7 groove serpentine pulley for smooth belt operation
- Internal voltage regulator for precise voltage control
- Clockwise rotation with 9:30 clock position mounting
Detailed Alternator Specifications and Features
The MPA Electrical New 15491N alternator features an internal fan that helps maintain optimal operating temperatures, reducing the risk of overheating during extended use. Its 7 groove serpentine pulley is designed to match factory belt configurations, ensuring proper belt alignment and tension. The internal voltage regulator maintains consistent voltage output, protecting your vehicle's electrical components. With a clockwise rotation and a 9:30 clock position, this alternator fits securely in the designated mounting points of compatible vehicles.
Compatible Nissan and INFINITI Models
This alternator is compatible with a range of Nissan and INFINITI vehicles, including the Nissan Armada, Frontier, Pathfinder, TITAN, Xterra, and the INFINITI QX56. The part number 15491N is specifically designed to meet the electrical demands of these models, ensuring reliable charging and starting performance.
Common Issues Addressed by the MPA Electrical 15491N Alternator
- Battery not charging properly or frequently dying
- Dim or flickering headlights and interior lights
- Electrical system warning lights on the dashboard
- Unusual noises from the engine bay related to the charging system
- Vehicle stalling or difficulty starting due to insufficient power
Installation Notes and Tips
When installing the MPA Electrical New 15491N alternator, ensure the battery is disconnected to prevent electrical shorts. Verify the pulley alignment with the serpentine belt and confirm the clockwise rotation matches the original alternator. Properly secure the alternator at the 9:30 clock position mounting point. It is recommended to inspect the serpentine belt and replace it if worn to maintain optimal performance.
Quality Assurance and Warranty Information
MPA Electrical's New product line offers alternators built to meet OEM specifications for durability and performance. The 15491N alternator undergoes rigorous testing to ensure reliable operation in Nissan and INFINITI vehicles. Warranty details are provided by the manufacturer and should be confirmed at the time of purchase.
| Brand | MPA Electrical |
| Part Number | 15491N |
| Position | New |
| Amps | 130 Amps |
| Clock | 9:30 |
| Fan | Internal |
| Pulley | 7 Groove Serpentine |
| Regulator | Internal |
| Rotation | Clockwise |
| Volts | 12 Volts |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | INFINITI | QX56 | 5.6L | V8 | N/A | From 8/2006; New |
| 2007 | Nissan | Armada | 5.6L | V8 | N/A | From 8/2006, w/ Hitachi alt.; New |
| 2007 | Nissan | Pathfinder | 4.0L | V6 | N/A | 130 amp alternator.; New |
| 2007 | Nissan | TITAN | 5.6L | V8 | N/A | From 8/2006; New |
| 2007 | Nissan | TITAN | 5.6L | V8 | N/A | New |
| 2006 | Nissan | Pathfinder | 4.0L | V6 | N/A | 130 amp alternator.; New |
| 2006 | Nissan | Pathfinder | 4.0L | V6 | N/A | New |
| 2005 | Nissan | Frontier | 4.0L | V6 | N/A | 130 amp alternator.; New |
| 2005 | Nissan | Pathfinder | 4.0L | V6 | N/A | 130 amp alternator.; New |
| 2005 | Nissan | Pathfinder | 4.0L | V6 | N/A | New |
| 2005 | Nissan | Xterra | 4.0L | V6 | N/A | 130 amp alternator.; 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.