OE Quality
60-Day Returns

Remy 12309 Alternator
Reliable Alternator Replacement for Suzuki Grand Vitara
The Remy Premium Remanufactured Alternator 12309 is designed specifically for Suzuki Grand Vitara models requiring a dependable 12-volt charging system. This remanufactured alternator offers an 80-amp output with an internal fan and voltage regulator to maintain consistent electrical performance.
- Amperage Rating: 80 amps for stable power supply
- Internal fan type for efficient cooling
- Remanufactured unit ensuring quality and cost-effectiveness
- OE Manufacturer: Nippondenso for trusted compatibility
- Includes pulley for straightforward installation
- Clockwise rotation direction matching original equipment
- Internal voltage regulator for precise voltage control
About the Premium Remanufactured Product Line
The Premium Remanufactured line by Remy focuses on restoring alternators to meet or exceed original equipment specifications. Each unit undergoes rigorous testing and rebuilding processes to ensure reliable performance and durability. This line provides a balance between quality and value, making it suitable for Suzuki Grand Vitara owners seeking a dependable replacement alternator.
Detailed Product Description
This Remy alternator, part number 12309, is engineered to deliver consistent 12-volt electrical output with an 80-amp rating, suitable for the electrical demands of the Suzuki Grand Vitara. Featuring an internal fan, it maintains optimal operating temperatures, reducing wear and extending service life. The internal voltage regulator ensures stable voltage output, protecting your vehicle’s electrical components. The included pulley and clockwise rotation direction match the original equipment, simplifying installation and ensuring proper fitment.
Common Issues Addressed by This Alternator
- Battery not charging or slow charging
- Dim or flickering headlights and dashboard 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 electrical failure
Installation Notes and Tips
- Ensure the vehicle battery is disconnected before installation
- Verify clockwise rotation direction matches your original alternator
- Check pulley alignment and belt tension after installation
- Use appropriate tools to avoid damage to electrical connectors
- Test charging system voltage after installation to confirm proper operation
Quality Assurance and Warranty
Remy’s Premium Remanufactured alternators undergo comprehensive testing to meet strict quality standards. This part is remanufactured using original Nippondenso components to ensure compatibility and reliability. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.
| Brand | Remy |
| Part Number | 12309 |
| Position | Premium Remanufactured |
| Amperage Rating | 80 |
| 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 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Suzuki | Grand Vitara | 2.5L | V6 | N/A | 80 Amp Alternator; Premium Remanufactured |
| 2003 | Suzuki | Grand Vitara | 2.5L | V6 | N/A | 80 Amp Alternator; Premium Remanufactured |
| 2002 | Suzuki | Grand Vitara | 2.5L | V6 | N/A | 80 Amp Alternator; Premium Remanufactured |
| 2001 | Suzuki | Grand Vitara | 2.5L | V6 | N/A | 80 Amp Alternator; Premium Remanufactured |
| 2000 | Suzuki | Grand Vitara | 2.5L | V6 | N/A | 80 Amp Alternator; Premium Remanufactured |
| 1999 | Suzuki | Grand Vitara | 2.5L | V6 | N/A | 80 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.