Remy 200391 Alternator

Reliable Alternator Replacement for Classic GM and Jeep Vehicles

The Remy Premium Remanufactured Alternator 200391 offers a dependable charging solution for a wide range of Buick, Chevrolet, GMC, Jeep, Oldsmobile, and Pontiac models. Designed to meet original equipment specifications, this 12-volt alternator ensures consistent electrical performance for your vehicle's charging system.

• Amperage Rating: 63 amps for stable power output
• External fan type for efficient cooling
• Remanufactured to OE standards by Delco/Delphi
• Includes pulley; pulley change may be required
• Clockwise rotation direction
• Internal voltage regulator for simplified installation
• Superseded part number 20039

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy focuses on restoring alternators to meet or exceed original equipment manufacturer (OEM) performance. Each unit undergoes rigorous testing and quality control to ensure reliability and durability. This line is ideal for customers seeking a cost-effective alternative to new parts without compromising on quality or fitment.

Detailed Alternator Features and Specifications

This Remy alternator 200391 is engineered with a 63-amp output suitable for maintaining battery charge and powering electrical components in vehicles such as the Chevrolet Blazer, GMC C1500, Jeep Cherokee, and Pontiac Firebird. The external fan design aids in heat dissipation, extending the alternator’s service life. Featuring an internal voltage regulator, this alternator simplifies installation by eliminating the need for an external regulator. The included pulley supports direct replacement, though a pulley change may be necessary depending on your vehicle’s setup. The clockwise rotation matches the original equipment configuration for proper operation.

Compatible Vehicles and Common Applications

• Buick LeSabre and Century
• Chevrolet Camaro and Impala
• GMC Sierra 1500 and Suburban models
• Jeep CJ5, CJ7, and Wagoneer
• Pontiac Grand Prix and Bonneville

Common Issues Addressed by This Alternator

• Battery not charging or losing charge
• Dimming or flickering headlights and dashboard lights
• Electrical system warning lights illuminated
• Unusual noises from the alternator pulley or fan
• Vehicle stalling due to electrical failure

Installation Notes and Tips

When installing the Remy 200391 alternator, verify the pulley compatibility with your vehicle’s belt system as a pulley change may be required. Ensure the alternator is mounted with the correct clockwise rotation orientation. The internal voltage regulator simplifies wiring, but double-check electrical connections for secure fitment. Refer to your vehicle’s service manual for torque specifications and safety precautions during installation.

Quality Assurance and Warranty Information

Remy’s Premium Remanufactured alternators undergo comprehensive testing to meet OEM standards, ensuring reliable performance and durability. This part is superseded to part number 20039, reflecting updated manufacturing improvements. Warranty coverage details should be confirmed with the parts provider or manufacturer documentation.