Denso 210-4216 Alternator

Remanufactured Charging System Replacement

This Denso reman alternator is built for direct replacement applications that demand stable charging output and OE-style fit. It is a 12-volt, 110-amp unit with an internal fan, internal regulator, and clockwise rotation for the listed Subaru applications.

Fits 2010 Subaru Legacy, N/A. Fits 2005-2009 Subaru Legacy, N/A. Fits 2005-2009 Subaru Outback, N/A.

Key Features

• Remanufactured Denso alternator with OE-family Mitsubishi design.
• 12.0-volt charging system with 110-amp output.
• Internal fan and internal regulator for integrated operation.
• Clockwise rotation for the specified applications.
• Built to Denso First Time Fit standards for proper mounting and reduced installation issues.

Detailed Description

Denso reman alternators are processed to meet strict electrical and mechanical standards, including testing of stators, rectifiers, and rotors, plus controlled slip-ring finishing and OE-standard bearing validation. That attention to detail supports consistent charging performance and helps reduce brush wear, abrasion, and fitment problems. For Subaru Legacy and Subaru Outback charging system service, part number 210-4216 provides a remanufactured replacement engineered around OE assembly benchmarks and compact packaging.

The Denso reman alternator line is known for OE-quality fit, appearance, and durability, with versions used across many vehicle applications. Part number 210-4216 follows that approach with a lightweight design and compatibility with modern electrical loads. This part cross-references Bosch AL4309X and Remy 12632 for the same application.

What It Is Used For

• Restoring battery charging output when the alternator is no longer maintaining system voltage.
• Addressing warning lights related to charging system performance.
• Correcting weak electrical supply to vehicle electronics and accessories.
• Replacing a worn reman alternator with OE-style mounting and operation.
• Resolving noise or wear concerns tied to aging internal components.

Installation Notes and Tips

Verify the 12-volt system, 110-amp rating, internal regulator, and clockwise rotation before installation. Confirm the vehicle application and note the 2010 Legacy listing applies to vehicles built to 04/2009. Match belt and pulley alignment during installation and inspect charging-system connections, battery condition, and drive belt condition at the same time.

Quality Assurance

Denso remanufactured alternators are tested to OE standards, with electrical components validated under high-voltage checks and bearings lubricated to OE specifications. Part number 210-4216 is built to Denso First Time Fit standards for proper mounting and reliable service.