Bosch AL4504X Alternator

Bosch Remanufactured Alternator AL4504X

The Bosch AL4504X remanufactured alternator is built for 12-volt charging systems and engineered for steady electrical output in everyday driving. It is a direct-fit replacement for select Suzuki Esteem and Suzuki Sidekick applications, with fitment coverage for 1996-2002 models.

Bosch Premium Alternators are remanufactured, then built and tested to support reliable charging performance. This AL4504X unit includes an internal fan, internal regulator, and a pulley already installed for a straightforward replacement on the correct application.

Key Features

• Remanufactured Bosch alternator for 12-volt charging systems
• 70-amp amperage rating for OE-style electrical output
• Internal fan and internal regulator design
• Clockwise rotation direction
• 5-groove pulley with 55 mm outside diameter
• Aluminum case and aluminum case color
• Plug type 318 with rear-view plug clock at 6 o’clock
• External fan included and pulley included
• External regulator included

Detailed Description

The Bosch AL4504X alternator is a remanufactured charging component designed for select Suzuki compact SUVs and wagons, including the 1999-2002 Suzuki Esteem and 1996-1998 Suzuki Sidekick. It is specified with a 70-amp rating, internal fan, internal regulator, and clockwise rotation, making it a practical replacement for vehicles that need stable battery charging and consistent electrical system support. The 5S pulley configuration and 5-groove belt setup help match the original application requirements. This part number, AL4504X, is also a useful reference when searching for a Bosch remanufactured alternator for Suzuki Esteem or Suzuki Sidekick charging system repair.

This part cross-references ND 3140059J00 and 3140077E23 for the same application.

Common Uses

• Restoring battery charging performance after alternator wear
• Addressing dim lights or fluctuating electrical output
• Replacing a noisy or failing alternator bearing assembly
• Correcting charging-system warning light concerns
• Supporting reliable operation of vehicle electrical accessories

Installation Notes

Verify plug type 318, pulley groove count, rotation direction, and mounting-ear orientation before installation. Confirm the vehicle uses the correct 12-volt charging system and compare the original alternator to the Bosch AL4504X before removal. For best results, inspect the belt, battery condition, and charging connections during replacement. Fits 1999-2002 Suzuki Esteem, N/A. Fits 1996-1998 Suzuki Sidekick, N/A.

Quality Assurance

Bosch Premium Alternators are remanufactured and tested to meet performance and reliability expectations for replacement charging components.