Part #: 12737

Remy 12737 Alternator

Premium Remanufactured
⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Premium Remanufactured
🚗Fitment: Lexus, GS430 and LS430
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandRemy
Part Number12737
PositionPremium Remanufactured
Amperage Rating130
Fan TypeInternal
New or RemanufacturedRemanufactured
OE ManufacturerNippondenso
Pulley IncludedYes
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2007LexusGS4304.3LV8N/A130 Amp alternator - Vehicle specific fitment; verify compatibility before buying.; Premium Remanufactured
2006LexusGS4304.3LV8N/A130 Amp alternator - Vehicle specific fitment; verify compatibility before buying.; Premium Remanufactured
2006LexusLS4304.3LV8N/A130 Amp alternator - Vehicle specific fitment; verify compatibility before buying.; Premium Remanufactured
2005LexusLS4304.3LV8N/A130 Amp alternator - Vehicle specific fitment; verify compatibility before buying.; Premium Remanufactured
2004LexusLS4304.3LV8N/A130 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:

104210-400027060-50340

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.