Remy 12818 Alternator

Remanufactured 150-Amp Alternator for Toyota and Lexus

Remy Premium Remanufactured alternator Part Number 12818 is a 12-volt charging system component built for Toyota and Lexus applications that call for a 150-amp output. It uses an internal fan, internal voltage regulator, clockwise rotation, and includes the pulley for a direct-fit replacement in confirmed applications.

The Remy Premium Remanufactured line focuses on OE-style electrical replacement parts rebuilt to meet the needs of late-model charging systems. For GX460, Sequoia, and Tundra applications, this alternator supports vehicles equipped with Nippondenso-style OE units and multiple 150-amp variants.

Key Features

• 150-amp amperage rating for factory-style charging output
• 12-volt alternator with internal voltage regulator
• Internal fan design for integrated cooling
• Clockwise rotation
• Pulley included
• Remanufactured to OE manufacturer specifications for Nippondenso applications
• Remy Part Number 12818 for easy identification

Detailed Description

This Remy alternator is a remanufactured charging system replacement for select Lexus GX460, Toyota Sequoia, and Toyota Tundra models. It is specified at 150 amps and is built with an internal regulator and internal fan, making it a direct replacement for vehicles that use a Nippondenso OE design. Part Number 12818 also cross-references 27060-0S020 and 104210-2830 for the same application.

Use this alternator when servicing a Toyota Tundra alternator replacement, a Toyota Sequoia 150 amp alternator, or a Lexus GX460 charging system repair where the original unit matches the listed fitment and electrical specifications. Confirm the OE number, amperage, and pulley configuration before installation.

What It Helps Fix

• Battery warning light caused by alternator output loss
• Low charging voltage at idle or under load
• Dim lights or electrical instability from weak charging performance
• Charging system noise related to a failing alternator assembly
• Starting issues caused by insufficient battery recharge

Installation Notes and Tips

• Verify year, engine, and equipment notes before ordering, especially for Tundra and Sequoia applications with towing package or rear DVD notes.
• Match the OE manufacturer style, amperage rating, and rotation direction to the original unit.
• Inspect the belt, battery condition, and charging circuit before installing the replacement alternator.
• Check pulley alignment and electrical connector fitment during installation.

Quality Assurance

Remy Premium Remanufactured parts are rebuilt for OE-style fit and function in confirmed applications. This alternator is remanufactured and specified for Nippondenso-based charging systems used in select Lexus GX460, Toyota Sequoia, and Toyota Tundra models.