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WAI 13937N Alternator
Reliable Alternator Replacement for Nissan Sentra
The WAI 13937N alternator is designed specifically for Nissan Sentra models, providing dependable electrical charging and starting performance. Engineered with an internal fan and regulator, this alternator ensures efficient operation and consistent power delivery.
Key Features of the WAI 13937N Alternator
- 12-volt electrical system compatibility
- Internal fan type for effective cooling
- Clockwise (right) rotation direction
- Includes pulley with 6 grooves
- Serpentine belt pulley type
- Internal voltage regulator for stable output
- 80-amp amperage rating suitable for Nissan Sentra
- Part of the Hitachi family of components
Detailed Product Description
The WAI 13937N alternator is engineered to meet the electrical demands of Nissan Sentra vehicles. Featuring an internal fan, it maintains optimal operating temperatures, reducing wear and extending alternator life. The clockwise rotation and included 6-groove serpentine pulley ensure compatibility with the Sentra’s engine setup. An internal voltage regulator provides consistent voltage output, protecting your vehicle’s electrical system from fluctuations. With an 80-amp rating, this alternator supports the charging needs of standard Nissan Sentra electrical components.
Common Applications and Issues Addressed
- Replacement for failing or worn-out alternators in Nissan Sentra
- Resolves battery charging problems and electrical system malfunctions
- Eliminates dimming headlights and electrical accessory failures
- Addresses issues with voltage irregularities and power loss
- Prevents engine stalling caused by insufficient electrical supply
Installation Notes and Tips
When installing the WAI 13937N alternator, ensure the serpentine belt is properly aligned with the 6-groove pulley. Verify the rotation direction matches the vehicle’s engine rotation (clockwise). Since the alternator includes an internal regulator and pulley, no additional components are required for installation. It is recommended to check battery condition and electrical connections during replacement to ensure optimal performance.
Quality Assurance and Warranty
WAI alternators, including the 13937N model, are manufactured to meet industry standards for durability and performance. This alternator is part of the Hitachi family, known for reliable electrical components. While specific warranty details may vary, WAI products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | WAI |
| Part Number | 13937N |
| 12 | 12 |
| Fan Type | Internal |
| Rotation Direction | Clockwise (right) |
| Pulley Included | Yes |
| Family | Hitachi |
| Pulley Groove Quantity | 6 |
| Pulley Belt Type | Serpentine |
| Regulator Type | Internal |
| Decoupled Or Clutch Pulley | No |
| Amperage Rating | 80 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Nissan | Sentra | 1.8L | L4 | N/A | Hitachi Unit 80 Amp |
| 2005 | Nissan | Sentra | 1.8L | L4 | N/A | Hitachi Unit 80 Amp |
| 2004 | Nissan | Sentra | 1.8L | L4 | N/A | Hitachi Unit 80 Amp |
| 2003 | Nissan | Sentra | 1.8L | L4 | N/A | Hitachi Unit 80 Amp |
| 2002 | Nissan | Sentra | 1.8L | L4 | N/A | Hitachi Unit 80 Amp |
* 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.