Denso 210-1087 Alternator

Denso 210-1087 Reman Alternator Overview

The Denso 210-1087 reman alternator is a 12-volt charging system component built for OE-style fit and dependable electrical output. It is a 150 amp unit with an internal fan, clockwise rotation, and an external regulator type, making it a direct replacement choice for select Cadillac STS and Cadillac SRX applications.

For drivers searching for a reman alternator for 2005-2011 Cadillac STS or 2004-2009 Cadillac SRX, this Denso unit is built around OE assembly standards and validated components for consistent charging performance.

Key Features

• 12.0-volt remanufactured alternator
• 150 amp amperage rating for higher electrical demand
• Internal fan design
• Clockwise rotation
• External regulator type
• Denso OE family construction
• Built to meet First Time Fit standards for proper mounting

Product Line Details

Denso Reman Alternators are remanufactured using a process that tests critical electrical components and validates wear surfaces and bearings to OE standards. The line is built for vehicles with modern electronic loads, where stable charging output and correct fitment matter. This makes the Denso 210-1087 a practical OE-style replacement for Cadillac STS and Cadillac SRX charging system service.

Detailed Description

This alternator is engineered for select Cadillac platforms that require a 150 amp charging solution. Denso reman units are processed with attention to stators, rectifiers, rotors, slip rings, and bearings so the finished part meets OE-level expectations for fit and function. The compact design supports installation in tight engine bays while maintaining compatibility with sensitive vehicle electronics. This part cross-references Bosch AL8643X and Remy 12795 for the same application.

Common Problems This Part Can Help Solve

• Battery warning light caused by low charging output
• Dim lights or unstable electrical performance
• Battery drain from a weak alternator
• Charging system failure on a Cadillac STS or Cadillac SRX
• Noise or wear related to aging alternator bearings

Installation Notes and Tips

Fits 2005-2011 Cadillac STS, N/A. Fits 2004-2009 Cadillac SRX, N/A. Confirm the 150 amp rating, clockwise rotation, and regulator type before installation. Verify belt alignment, pulley condition, and electrical connections during replacement to help ensure proper charging system operation.

Quality Assurance

Denso reman alternators are built to OE standards and undergo electrical and mechanical validation during the remanufacturing process. The brand’s OE supply background and First Time Fit standards support consistent fitment and reliable service in demanding charging system applications.