Remy 20343 Alternator

Reliable Alternator for Chevrolet, GMC, Oldsmobile, and Pontiac Vehicles

The Remy Premium Remanufactured Alternator 20343 is designed to restore charging system performance in select Chevrolet, GMC, Oldsmobile, and Pontiac models. This 12-volt alternator features a 105-amp rating and includes an external fan for efficient cooling, making it suitable for vehicles like the Chevrolet Camaro, GMC S15 Jimmy, and Pontiac Firebird.

Key Features of Remy Alternator Part Number 20343

• Amperage Rating: 105 amps for consistent electrical output
• Fan Type: External fan to enhance cooling during operation
• Voltage: 12 volts compatible with standard automotive electrical systems
• Rotation Direction: Clockwise rotation matching original equipment specifications
• Voltage Regulator: Internal regulator for simplified installation and reliable voltage control
• Pulley Included: Comes with pulley for direct replacement
• OE Manufacturer: Remanufactured to Delco/Delphi original equipment standards

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy offers alternators that have been rebuilt to meet or exceed original equipment manufacturer (OEM) specifications. This ensures that the alternator 20343 delivers dependable performance and durability while providing a cost-effective alternative to new units. Each unit undergoes rigorous testing to verify electrical output and mechanical integrity, making it a practical choice for maintaining vehicle reliability.

Detailed Product Description

This Remy alternator 20343 is engineered for compatibility with a range of Chevrolet, GMC, Oldsmobile, and Pontiac vehicles, including models such as the Chevrolet Astro, GMC S10 Blazer, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix. The 105-amp output supports the electrical demands of these vehicles, while the external fan design helps maintain optimal operating temperatures. The internal voltage regulator simplifies installation by eliminating the need for an external regulator, and the included pulley ensures a direct fit replacement. The clockwise rotation matches the original alternator’s direction, ensuring proper belt alignment and function.

Common Applications and Issues Addressed

• Restores charging system functionality in vehicles experiencing battery drain
• Replaces alternators with worn or damaged internal voltage regulators
• Solves overheating issues related to alternator cooling inefficiency
• Addresses pulley wear or damage affecting belt tension and alignment
• Resolves electrical output inconsistencies causing dimming lights or starting problems

Installation Notes and Tips

• Verify vehicle compatibility with Chevrolet, GMC, Oldsmobile, and Pontiac models listed
• Ensure the alternator rotation direction is clockwise to match original equipment
• Check belt condition and tension during installation for optimal performance
• Disconnect the battery before removal and installation to prevent electrical shorts
• Use the included pulley to maintain proper belt alignment and tension

Quality Assurance and Warranty

The Remy Premium Remanufactured Alternator 20343 is remanufactured to meet OEM standards, including testing for amperage output and voltage regulation. This alternator is backed by Remy’s quality assurance processes to ensure reliable operation. Warranty details are provided by Remy and typically cover defects in materials and workmanship for a specified period. Consult product documentation for exact warranty terms.