OE Quality
60-Day Returns

Remy 12725 Alternator
Reliable Alternator Replacement for Buick Lucerne
The Remy Premium Remanufactured Alternator 12725 is designed specifically for Buick Lucerne models, providing a dependable electrical charging solution. This 12-volt alternator features a 140-amp rating and includes an internal fan and voltage regulator for efficient performance.
- Amperage Rating: 140 amps for consistent power output
- Internal fan type for effective cooling
- Remanufactured to meet OEM standards
- OE Manufacturer: Nippondenso
- Includes pulley for easy installation
- Clockwise rotation direction
- Internal voltage regulator for stable voltage control
About the Premium Remanufactured Brand Line
The Premium Remanufactured line by Remy offers alternators that have been carefully rebuilt to meet original equipment specifications. This ensures that the alternator 12725 delivers reliable performance and durability comparable to new units, making it a practical choice for Buick Lucerne owners seeking quality replacement parts.
Product Details and Specifications
This remanufactured alternator operates at 12 volts with a 140-amp output, suitable for the electrical demands of the Buick Lucerne. The internal fan design helps maintain optimal operating temperatures, while the internal voltage regulator ensures consistent voltage supply to your vehicle's electrical system. The included pulley and clockwise rotation direction match the original equipment setup, facilitating a straightforward replacement process.
Common Issues Addressed by This Alternator
- Battery not charging properly or draining quickly
- Dim or flickering headlights and dashboard lights
- Electrical system warning lights illuminated on the dashboard
- Unusual noises from the engine bay related to the charging system
- Vehicle stalling or difficulty starting due to insufficient electrical power
Installation Notes and Tips
When installing the Remy Premium Remanufactured Alternator 12725 on a Buick Lucerne, ensure the battery is disconnected before removal. Verify the clockwise rotation direction and confirm the pulley is properly aligned with the belt system. It is recommended to inspect the belt and tensioner for wear during installation to maintain optimal performance.
Quality Assurance and Warranty
Remy’s Premium Remanufactured alternators undergo rigorous testing to meet OEM standards, ensuring reliable operation and longevity. This alternator is backed by a limited warranty, providing confidence in its quality and performance for Buick Lucerne applications.
| Brand | Remy |
|---|---|
| Part Number | 12725 |
| Position | Premium Remanufactured |
| Amperage Rating | 140 |
| Fan Type | Internal |
| New or Remanufactured | Remanufactured |
| OE Manufacturer | Nippondenso |
| Pulley Included | Yes |
| Rotation Direction | Clockwise |
| Voltage (V) | 12 |
| Voltage Regulator Type | Internal |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Buick | Lucerne | 3.8L | V6 | N/A | 140 Amp Alternator; Premium Remanufactured |
| 2007 | Buick | Lucerne | 3.8L | V6 | N/A | 140 Amp Alternator; Premium Remanufactured |
| 2006 | Buick | Lucerne | 3.8L | V6 | N/A | 140 Amp Alternator; Premium Remanufactured |
* 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.