Remy 12304 Alternator

Premium remanufactured alternator

This Remy alternator, part number 12304, is a remanufactured charging component built for select Lexus applications. It delivers 130 amps at 12 volts and uses an internal voltage regulator for stable electrical output.

Key features

• 130-amp output for consistent charging performance
• Internal voltage regulator for integrated control
• Internal fan design for compact packaging
• Clockwise rotation
• Pulley included for direct replacement use
• Remanufactured to OE manufacturer specifications from Nippondenso

Detailed description

Remy Premium Remanufactured alternator 12304 is built for charging-system replacement where OE-style fit and electrical output matter. It is specified as a 12-volt unit with a 130-amp rating, internal fan, internal regulator, and clockwise rotation. The included pulley and remanufactured construction make it a practical choice for restoring charging performance in Lexus SC430 and Lexus LS430 applications. This part cross-references Nippondenso numbers 104210-3030 and 104210-3031 for the same application.

What it is used for

• Restoring battery charging output when the alternator is weak or failing
• Addressing dim lights or unstable electrical performance
• Replacing a unit with worn internal components or regulator issues
• Correcting charging-system problems in Lexus SC430 and Lexus LS430 applications

Installation notes and tips

Verify the vehicle’s alternator configuration, amperage rating, and connector match before installation. Fitment includes Lexus SC430 and Lexus LS430 applications with vehicle-specific notes, so confirm compatibility against the existing unit and application details before ordering. Part number 12304 should be matched carefully to the original charging system layout.

Quality assurance

Remy Premium Remanufactured products are remanufactured OE-style components built around the original Nippondenso design specification for the listed applications.