Remy 11503 Alternator

Remanufactured Alternator for Audi and Porsche

The Remy 11503 is a premium remanufactured alternator built for 12-volt charging systems with a 180-amp output. It features an internal regulator, internal fan, and a clutch pulley for stable charging performance in demanding electrical systems.

Key Features

• Remanufactured 12-volt alternator with 180-amp output
• Internal regulator and internal fan design
• Clutch pulley included for smoother belt operation
• Clockwise rotation
• OE manufacturer reference: Valeo

Detailed Description

Remy 11503 is a remanufactured alternator engineered for select Audi and Porsche applications that require a 180-amp charging unit. It is listed for the Audi A4, A4 allroad, A4 Quattro, A5 Quattro, A5 Sportback, A6, A6 Quattro, and Q7, as well as the Porsche Macan. The internal regulator and internal fan support controlled charging output and heat management, while the clutch pulley helps reduce belt vibration during operation. This part cross-references Monroe Shocks & Struts (e.g., 06L-903-024F, 2715187A) for the same application.

What It Is Used For

• Restoring proper battery charging output
• Replacing a worn or failing alternator
• Addressing charging warning lights
• Correcting low-voltage electrical performance
• Resolving belt-driven charging noise tied to alternator wear

Installation Notes and Tips

Verify the vehicle’s alternator specifications, including amperage, pulley style, rotation direction, and OE reference before installation. Confirm the application matches the listed Audi and Porsche fitment, including model year and notes such as specific alternator usage or production date breaks. Because fitment varies by configuration, compare the removed unit to the replacement part number 11503 before installation.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured to meet application-specific requirements and OE manufacturer reference points. Part number 11503 is built for direct replacement use in the listed charging system applications.