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Remy 12737 Alternator
Reliable Alternator for Lexus GS430 and LS430
The Remy Premium Remanufactured Alternator 12737 is designed specifically for Lexus GS430 and LS430 models. This 12-volt alternator delivers a 130-amp output with an internal fan and voltage regulator, ensuring consistent electrical performance for your vehicle.
- 130 Ampere Rating for steady electrical supply
- Internal fan type for efficient cooling
- Remanufactured to meet OEM standards
- Includes pulley for direct replacement
- Clockwise rotation direction
- Internal voltage regulator for simplified installation
- OE Manufacturer: Nippondenso
About the Premium Remanufactured Product Line
The Premium Remanufactured line by Remy offers alternators that have been carefully rebuilt to meet or exceed original equipment specifications. This ensures reliable performance and durability while providing a cost-effective alternative to new parts. The 12737 alternator benefits from this process, maintaining quality and fitment for Lexus GS430 and LS430 vehicles.
Product Details and Specifications
This alternator operates at 12 volts with a 130-amp output, suitable for the electrical demands of Lexus GS430 and LS430 models. It features an internal fan that helps maintain optimal operating temperatures and an internal voltage regulator that simplifies installation and reduces the need for additional components. The included pulley and clockwise rotation direction match the original equipment, allowing for a straightforward replacement process. Manufactured by Nippondenso, this remanufactured alternator aligns with OEM quality standards.
Common Applications and Problem Resolution
- Restores charging system functionality in Lexus GS430 and LS430
- Resolves dim or flickering headlights caused by alternator failure
- Eliminates battery drain issues related to faulty alternators
- Fixes warning lights on the dashboard related to charging system
- Addresses electrical system malfunctions due to alternator defects
Installation Notes and Tips
When installing the Remy 12737 alternator, ensure the clockwise rotation matches your vehicle’s original setup. The included pulley allows for direct replacement without additional parts. Verify all electrical connections are secure and the internal voltage regulator is compatible with your Lexus GS430 or LS430. It is recommended to test the charging system after installation to confirm proper operation.
Quality Assurance and Warranty
Remy’s Premium Remanufactured alternators undergo rigorous testing to meet OEM standards. This alternator is built with quality components, including an internal voltage regulator and fan, to ensure reliable performance. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.
| Brand | Remy |
| Part Number | 12737 |
| Position | Premium Remanufactured |
| Amperage Rating | 130 |
| 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 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | Lexus | GS430 | 4.3L | V8 | N/A | 130 Amp alternator - Vehicle specific fitment; verify compatibility before buying.; Premium Remanufactured |
| 2006 | Lexus | GS430 | 4.3L | V8 | N/A | 130 Amp alternator - Vehicle specific fitment; verify compatibility before buying.; Premium Remanufactured |
| 2006 | Lexus | LS430 | 4.3L | V8 | N/A | 130 Amp alternator - Vehicle specific fitment; verify compatibility before buying.; Premium Remanufactured |
| 2005 | Lexus | LS430 | 4.3L | V8 | N/A | 130 Amp alternator - Vehicle specific fitment; verify compatibility before buying.; Premium Remanufactured |
| 2004 | Lexus | LS430 | 4.3L | V8 | N/A | 130 Amp alternator - Vehicle specific fitment; verify compatibility before buying.; 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.