Remy 20338 Alternator

Reliable Alternator for Chevrolet and GMC Vehicles

The Remy Premium Remanufactured Alternator 20338 is designed to restore charging system performance in select Chevrolet and GMC models. Engineered to meet OE specifications, this 12-volt alternator delivers consistent 105-amp output with an internal voltage regulator and clockwise rotation.

• Amperage Rating: 105 amps for stable electrical output
• Fan Type: External fan for effective cooling
• Remanufactured to OE standards by Delco/Delphi
• Includes pulley for direct replacement
• Clockwise rotation direction compatible with specified vehicles
• Internal voltage regulator for simplified installation
• Superseded part number: 20414

About the Premium Remanufactured Product Line

The Premium Remanufactured line from Remy offers alternators rebuilt to meet or exceed original equipment manufacturer standards. Each unit undergoes rigorous testing and quality control to ensure reliable performance and durability. This line focuses on providing cost-effective alternatives to new parts without compromising on fit or function, making it suitable for professional repairs and maintenance.

Detailed Product Description

This Remy alternator, part number 20338, is a remanufactured unit originally produced by Delco/Delphi. It features a 12-volt system with a 105-amp output, suitable for maintaining proper electrical system function in Chevrolet and GMC vehicles such as the Astro, Blazer, C1500, K1500, and Safari. The external fan design aids in cooling during operation, while the included pulley and clockwise rotation ensure compatibility with the original setup. The internal voltage regulator simplifies installation by eliminating the need for an external regulator.

Compatible Vehicles and Common Applications

• Chevrolet Astro, Blazer, C1500, C2500, C3500, Jimmy, K1500, K2500, K3500, R1500, Safari, V1500
• GMC G10, G20, G30, R10, R10 Suburban, R20, R1500 Suburban, R2500, V10
• Replaces alternators with part number 20338 and superseded 20414
• Addresses issues such as battery not charging, dimming lights, and electrical system failures

Installation Notes and Tips

Ensure the alternator rotation direction matches the original unit (clockwise). Verify the pulley is compatible with your vehicle’s belt system before installation. Since this alternator includes an internal voltage regulator, no additional regulator installation is necessary. Always disconnect the battery before beginning replacement to prevent electrical shorts.

Quality Assurance and Warranty

Remy Premium Remanufactured alternators are tested to meet original equipment specifications. While specific warranty details are not provided here, Remy products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.