Bosch AL4301X Alternator

Bosch Remanufactured Alternator for Subaru

The Bosch AL4301X remanufactured alternator is built for 12-volt charging systems and is engineered for Subaru applications that require dependable electrical output. It is a direct-fit replacement for select Subaru Forester and Subaru Impreza models, with fitment covering 1993-1998 Subaru Impreza and 1998 Subaru Forester.

Key Features

• Remanufactured Bosch alternator for charging-system replacement
• 12-volt, 75-amp output
• Internal fan design with clockwise rotation
• Internal regulator with external regulator included
• 5-groove pulley included, 55 mm outside pulley diameter
• Aluminum case and aluminum case material for OE-style fitment
• Plug type 300 with rear-view plug clocking at 6 o’clock main mounting ear
• Compatible with Subaru Forester and Subaru Impreza applications

Product Details

Bosch Premium Alternators are remanufactured, tested, and built to support reliable charging performance in everyday driving. The AL4301X is designed around the original application requirements for Subaru Forester and Subaru Impreza models, making it a practical replacement when the charging system needs service. This Bosch AL4301X alternator cross-references Subaru 23700AA202 and 23700AA290 for the same application.

Use this alternator when you need a remanufactured Bosch charging component for 1998 Subaru Forester or 1993-1998 Subaru Impreza vehicles. The pulley, fan configuration, regulator setup, and mounting orientation are specified to match the intended Subaru fitment.

What This Alternator Helps Address

• Battery warning light caused by weak charging output
• Low system voltage during driving or idle
• Dim headlights and unstable electrical performance
• Charging failure from a worn or failing alternator
• Starting issues related to insufficient battery recharge

Installation Notes and Tips

Verify pulley groove count, plug type, rotation direction, and mounting-ear orientation before installation. Confirm the vehicle’s charging-system layout matches the listed Subaru fitment for 1998 Subaru Forester and 1993-1998 Subaru Impreza. Inspect the belt condition and electrical connections during replacement to help ensure proper charging performance after installation.

Quality Assurance

Bosch remanufactured alternators are designed, built, and tested to meet the demands of replacement charging-system service. The AL4301X reflects Bosch’s focus on consistent performance and reliability for Subaru applications.