Bosch AL3303X Alternator

Bosch AL3303X Remanufactured Alternator

The Bosch AL3303X remanufactured alternator is built for 12-volt charging systems that need stable output and dependable electrical performance. It is a direct-fit charging component for select Toyota Sequoia and Toyota Tundra applications with a 100 amp alternator setup.

Bosch Premium Alternators are remanufactured, tested, and configured to deliver consistent charging performance for daily driving and demanding electrical loads. The AL3303X uses an internal regulator, internal fan design, clockwise rotation, and a 6-groove pulley setup with the pulley included.

Key Features

• Remanufactured Bosch alternator for 12-volt charging systems
• 100 amp amperage rating for OE-style electrical output
• Internal regulator and internal fan design
• Clockwise rotation with 6-groove pulley type
• Pulley included; external fan included
• Aluminum case and aluminum case material
• Plug type 312 with rear-view plug clocking at 6 o'clock
• Direct interchange reference: 270600F020

Detailed Description

This Bosch AL3303X alternator is a remanufactured replacement for select 2000-2002 Toyota Tundra and 2001-2002 Toyota Sequoia models equipped with a 100 amp alternator. It is engineered for vehicles that need reliable battery charging, steady voltage control, and consistent operation from the charging system. The Bosch Premium Alternators line focuses on tested performance and dependable rebuild quality for replacement service.

Fits 2001-2002 Toyota Sequoia, N/A. Fits 2000-2002 Toyota Tundra, N/A. This part cross-references 270600F020 for the same application.

What It Helps Address

• Battery warning light caused by alternator output loss
• Low charging voltage during driving or idling
• Dim lights or unstable electrical performance
• Charging system failure on Toyota Sequoia or Toyota Tundra
• Alternator noise or wear-related charging issues

Installation Notes and Tips

Verify the vehicle uses a 100 amp alternator and confirm plug type 312, pulley configuration, and rear mounting-ear clocking before installation. Match the original belt routing and pulley groove count to the existing charging system layout. Always inspect the battery, belt condition, and charging circuit connections when replacing the alternator.

Quality Assurance

Bosch remanufactured alternators are designed, built, and tested to meet charging-system performance and reliability expectations for replacement service. The AL3303X is packaged in a box and built with an aluminum case for durable fitment in the specified Toyota applications.