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Remy 12737 Alternator
| Brand | Remy 12737 |
|---|---|
| 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 |
| Product line | Premium Remanufactured |
| Fits | Lexus · 5 vehicles |
Premium remanufactured. Restored for dependable charging performance.
OE manufacturer pedigree. Built to Nippondenso specifications.
Internal regulator. Simplifies charging system integration.
Cross-references 27060-50340 and 104210-4000 for the same application. See all 2.
Remanufactured Alternator for Lexus V8 Charging Systems
The Remy Premium Remanufactured 12737 alternator is a 12-volt, 130-amp charging unit built for select Lexus applications with Nippondenso OE architecture. It uses an internal fan, internal voltage regulator, clockwise rotation, and includes the pulley for a direct replacement approach.
Compatible With 2006-2007 Lexus GS430 and 2004-2006 Lexus LS430, this alternator is built for vehicle-specific fitment. If you are replacing a failing Lexus GS430 alternator or a Lexus LS430 charging unit, verify application details before purchase.
Key Features
- Remy Premium Remanufactured alternator
- Part number: 12737
- 130 amp output for 12-volt systems
- Internal fan and internal voltage regulator
- Clockwise rotation
- Pulley included
- OE manufacturer reference: Nippondenso
- Cross-reference part numbers: 27060-50340, 104210-4000
Product Details
Remy Premium Remanufactured focuses on remanufactured electrical components built to match the original unit’s application requirements. This alternator is specified for Lexus GS430 and Lexus LS430 models that use a Nippondenso-style charging system, making it a practical replacement for restoring proper battery charging and electrical system performance. The 12737 alternator is a direct-fit style replacement for the listed vehicles and should be matched to the original part number and vehicle configuration.
This part cross-references Nippondenso-style OE numbers 27060-50340 and 104210-4000 for the same application.
What It Helps Solve
- Battery warning light caused by low charging output
- Dim lights or unstable electrical performance
- Battery drain from a failing alternator
- Charging system noise or inconsistent voltage output
- Starting issues related to insufficient alternator output
Installation Notes and Tips
Confirm the original alternator part number, pulley style, rotation direction, and electrical connector layout before installation. Because this unit is vehicle-specific, compare the existing alternator to the replacement and verify fitment for your Lexus GS430 or Lexus LS430 application. After installation, check charging voltage at the battery and inspect belt condition and tension.
Quality Assurance
Remy Premium Remanufactured parts are remanufactured electrical components built for replacement use in the listed applications. Verify compatibility before buying to ensure the correct fit for your vehicle.
| 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 |
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