Remy 12819 Alternator

Remanufactured Alternator for Toyota Tundra

Remy Premium Remanufactured alternator Part Number 12819 is a 12-volt, 100-amp charging unit built for Toyota Tundra applications. It uses an internal fan, internal voltage regulator, clockwise rotation, and includes the pulley for a direct-fit replacement in confirmed applications.

Remy’s Premium Remanufactured line focuses on OE-style replacement parts rebuilt to meet the needs of everyday charging-system service. This alternator is remanufactured from an OE manufacturer design by Nippondenso, making it a practical choice for Toyota Tundra owners looking for a replacement that matches the original electrical layout.

Key Features

• Remy Premium Remanufactured alternator, Part Number 12819
• 100 amp output for 12-volt charging systems
• Internal fan and internal voltage regulator
• Clockwise rotation
• Pulley included
• OE manufacturer reference: Nippondenso
• Cross-reference part numbers include 27060-0S030 and 104210-5100

Detailed Description

This alternator is built for Toyota Tundra charging-system replacement where the original unit has failed or is no longer maintaining proper output. It is listed for 2017-2021 Toyota Tundra, 2017-2019 Toyota Tundra, 2007-2016 Toyota Tundra without rear DVD, and 2016 Toyota Tundra without towing package. Use Part Number 12819 when matching the correct remanufactured alternator for the specific vehicle configuration.

Compatible fitment includes Toyota Tundra models across 2007-2021, with application notes that distinguish standard equipment, rear DVD, and towing package configurations. For Toyota Tundra charging-system service, this Remy alternator provides the specified 100-amp output and OE-style electrical architecture needed for direct replacement in the listed applications.

Common Replacement Reasons

• Battery warning light or charging-system warning on the dash
• Low charging voltage at idle or under load
• Dim headlights or unstable electrical performance
• Alternator bearing noise or charging failure
• Vehicle starting issues caused by insufficient alternator output

Installation Notes and Tips

Verify the vehicle’s year, trim, and equipment package before ordering, especially on 2016-2021 Toyota Tundra applications where rear DVD and towing package notes affect fitment. Confirm pulley alignment, connector style, and mounting points against the removed unit before installation. Part Number 12819 should be matched to the confirmed application and charging specification before service begins.

Quality Assurance

This Remy Premium Remanufactured alternator is rebuilt as an OE-style replacement for the listed Toyota Tundra applications. It is based on Nippondenso OE manufacturer design and is intended to restore proper charging-system operation in the confirmed fitments.