Remy 12003 Alternator

Reliable Alternator Replacement for Nissan Altima

The Remy Premium Remanufactured Alternator 12003 is designed specifically for Nissan Altima models, providing a dependable electrical charging solution. This remanufactured alternator offers a 100-amp output with an internal fan and voltage regulator to maintain optimal performance.

• Amperage Rating: 100 amps for consistent power delivery
• Internal fan type for efficient cooling
• Remanufactured to meet OE standards
• OE Manufacturer: Hitachi
• Includes pulley for easy installation
• 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 thorough testing and rebuilding processes to ensure reliability and performance comparable to new parts. This line is ideal for Nissan Altima owners seeking a cost-effective alternative without compromising quality.

Product Details and Specifications

This Remy alternator, part number 12003, is engineered for Nissan Altima vehicles requiring a 12-volt, 100-amp charging system. The internal fan design helps maintain proper operating temperatures, while the internal voltage regulator ensures consistent electrical output. The clockwise rotation and included pulley simplify replacement and compatibility with existing engine components. Manufactured originally by Hitachi, this remanufactured alternator maintains the integrity and fitment expected from OE parts.

Common Issues Addressed by This Alternator

• Battery not charging properly or draining quickly
• Dimming or flickering dashboard and headlights
• Electrical system warning lights illuminated
• Unusual noises from the alternator area
• Vehicle stalling or difficulty starting due to charging failure

Installation Notes and Tips

Before installation, verify compatibility with your Nissan Altima model year. Disconnect the battery to prevent electrical shorts. Remove the old alternator pulley if necessary and install the included pulley on the new unit. Ensure the alternator is mounted securely and belt tension is properly adjusted. After installation, test the charging system voltage to confirm correct operation.

Quality Assurance and Warranty

Remy Premium Remanufactured alternators undergo comprehensive testing to meet strict quality standards. Each unit is inspected for electrical output, mechanical integrity, and durability. While specific warranty details may vary, Remy typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.