Remy 12420 Alternator

Reliable Alternator Replacement for Volkswagen Passat

The Remy Premium Remanufactured Alternator 12420 is designed specifically for Volkswagen Passat models requiring a dependable electrical charging solution. This remanufactured alternator offers a 150-amp output with a liquid-cooled fan to maintain optimal operating temperatures.

• 150 Amperage Rating for consistent power delivery
• Liquid cooled fan type for enhanced thermal management
• Remanufactured to meet OE standards
• OE Manufacturer: Delco/Delphi
• Includes pulley for direct replacement
• Clockwise rotation direction
• 12 Volt system compatibility
• Internal voltage regulator for stable voltage output

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy focuses on restoring alternators to meet original equipment specifications. Each unit undergoes rigorous testing and refurbishment to ensure reliable performance and durability. This line provides a cost-effective alternative to new parts while maintaining quality standards expected in Volkswagen Passat electrical systems.

Detailed Product Description

This Remy alternator, part number 12420, is engineered for Volkswagen Passat vehicles requiring a 12-volt, 150-amp charging system. The liquid-cooled fan design helps dissipate heat efficiently, reducing the risk of overheating during extended operation. Featuring an internal voltage regulator, this alternator maintains consistent voltage output to protect your vehicle’s electrical components. The included pulley and clockwise rotation direction allow for straightforward installation and compatibility with the original drivetrain setup. Manufactured to OE specifications by Delco/Delphi, this remanufactured alternator supports the electrical demands of your Volkswagen Passat reliably.

Common Issues Addressed by This Alternator

• Battery not charging or losing charge quickly
• Dimming or flickering vehicle lights
• Electrical system warning lights on the dashboard
• Unusual noises from the engine bay related to the charging system
• Intermittent power loss or stalling issues

Installation Notes and Tips

Ensure the vehicle battery is disconnected before beginning installation to prevent electrical shorts. Verify the clockwise rotation direction matches your Volkswagen Passat’s original alternator. Confirm the pulley is properly aligned with the belt system to avoid premature wear. It is recommended to inspect the serpentine belt and tensioner during replacement to maintain optimal charging system performance.

Quality Assurance and Warranty

Remy’s Premium Remanufactured alternators are tested to meet or exceed OE performance standards. Each unit undergoes comprehensive electrical and mechanical inspections to ensure reliability. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.