MPA Electrical 15721 Alternator

Reliable Alternator for Chevrolet and GMC Heavy-Duty Trucks

The MPA Electrical Remanufactured Alternator 15721 delivers consistent 12-volt power with 145 amps output, designed specifically for heavy-duty Chevrolet and GMC trucks. Engineered to meet the demands of models like the Silverado 2500 HD and Sierra 3500 Classic, this alternator ensures dependable charging and starting performance.

• 145 amps output for robust electrical performance
• 12 volts system compatibility
• Internal fan for efficient cooling
• 6 groove serpentine clutch pulley for smooth belt operation
• Internal voltage regulator for stable power delivery
• Clockwise rotation with 3:00 clock position for proper fitment
• Delco manufacturer components for quality assurance

About the MPA Electrical Remanufactured Product Line

The Remanufactured line from MPA Electrical offers alternators rebuilt to meet original equipment specifications. This process includes thorough inspection, replacement of worn parts, and testing to ensure reliable operation. The 15721 alternator benefits from this remanufacturing process, providing a cost-effective alternative to new units while maintaining performance standards for Chevrolet and GMC heavy-duty trucks.

Detailed Alternator Features and Specifications

This alternator features a 6 groove serpentine clutch pulley designed to reduce belt slippage and wear, enhancing the longevity of the drive system. The internal fan improves cooling efficiency, preventing overheating during extended operation. With an internal voltage regulator, the alternator maintains consistent voltage output, protecting your vehicle’s electrical components. The clockwise rotation and 3:00 clock position ensure proper alignment and fitment in compatible Chevrolet and GMC models.

Compatible Vehicles and Common Applications

• Chevrolet Silverado 2500 HD and 2500 HD Classic
• Chevrolet Silverado 3500 and 3500 Classic
• Chevrolet Sierra 2500 HD and 2500 HD Classic
• Chevrolet Sierra 3500 and 3500 Classic
• Chevrolet SSR and Trailblazer
• GMC Sierra 2500 HD and 3500 series

Issues This Alternator Can Address

• Intermittent or no charging of the battery
• Dim or flickering dashboard and headlights
• Battery warning light illumination
• Electrical system voltage irregularities
• Excessive belt noise due to pulley wear

Installation Notes and Tips

Ensure the alternator is installed with the correct 3:00 clock position orientation to match factory mounting points. Verify the serpentine belt routing and tension after installation to prevent premature wear. It is recommended to inspect the battery and electrical connections during replacement to ensure optimal system performance.

Quality Assurance and Warranty

The MPA Electrical Remanufactured Alternator 15721 is built using Delco components and undergoes rigorous testing to meet OEM standards. This alternator comes with a limited warranty covering defects in materials and workmanship, providing confidence in its durability and reliability for Chevrolet and GMC heavy-duty trucks.