MPA Electrical 15494 Alternator

Remanufactured Alternator for Cadillac STS and SRX

MPA Electrical Part Number 15494 is a remanufactured 12-volt alternator built for select Cadillac charging system applications. It is configured with 155 amps, an internal regulator, an internal fan, and a 6-groove serpentine pulley for clockwise rotation.

This remanufactured MPA Electrical alternator is a direct-fit charging component for 2005-2011 Cadillac STS and 2004-2009 Cadillac SRX applications. The 2:00 clock position and Nippondenso manufacturer specification help identify the correct replacement for the original unit.

Key Features

• 155 amp output for vehicle charging demand
• 12-volt electrical system application
• Internal regulator for integrated voltage control
• Internal fan design
• 6-groove serpentine pulley
• Clockwise rotation
• 2:00 clock position
• Remanufactured by MPA Electrical

Product Details

MPA Electrical 15494 is a remanufactured alternator engineered to match the original Nippondenso-style charging unit used in these Cadillac platforms. It is specified for Cadillac STS and Cadillac SRX models with the listed pulley, rotation, amperage, and regulator configuration, making it a practical replacement when the original alternator is no longer maintaining proper system voltage. This part cross-references BBB Industries 11046 for the same application.

Common Issues This Part May Resolve

• Battery warning light caused by low alternator output
• Weak charging performance during normal driving
• Battery drain after the engine is running
• Electrical system instability from failing voltage regulation
• Noise or charging failure related to a worn alternator assembly

Installation Notes and Tips

Verify the pulley groove count, rotation direction, clock position, and amperage rating before installation. Confirm the vehicle uses the listed Cadillac STS or Cadillac SRX application and compare the original alternator connector and mounting layout to the replacement unit. After installation, check charging voltage at the battery and inspect belt condition and tension.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to restore proper electrical function and fitment for the specified application. Part number 15494 is intended for direct replacement use on the listed Cadillac vehicles.