MPA Electrical 7877403 Alternator

Reliable Alternator for Buick, Oldsmobile, and Pontiac Vehicles

The MPA Electrical Remanufactured Alternator 7877403 is designed to restore charging system performance in select Buick, Oldsmobile, and Pontiac models. Engineered to meet original equipment specifications, this 12-volt alternator delivers 105 amps of power to keep your vehicle's electrical system running smoothly.

• Output: 105 amps at 12 volts
• Rotation: Clockwise with a 3:00 clock position
• External fan for efficient cooling
• 4 groove serpentine pulley for proper belt alignment
• Internal voltage regulator for consistent power delivery
• Manufacturer: Delco

Detailed Features and Specifications

This alternator features a clockwise rotation and a 3:00 clock position, ensuring compatibility with the charging system layout of Buick Calais, Oldsmobile Cutlass Calais, Grand Am, and Pontiac Skylark models. The external fan design aids in heat dissipation, which helps maintain optimal operating temperatures during extended use. Equipped with a 4 groove serpentine pulley, it fits the belt system precisely, reducing wear and improving reliability. The internal voltage regulator maintains steady voltage output, protecting your vehicle's electrical components from fluctuations.

About the MPA Electrical Remanufactured Product Line

The Remanufactured line from MPA Electrical offers alternators that have been carefully rebuilt to meet strict quality standards. Each unit is inspected, cleaned, and tested to ensure it performs like a new part. This process provides a cost-effective solution for restoring the charging system in compatible Buick, Oldsmobile, and Pontiac vehicles without compromising reliability.

Common Applications and Problem Resolution

• Replaces failing or weak alternators causing battery drain
• Solves dimming headlights or electrical accessory issues
• Addresses battery warning light illumination on the dashboard
• Fixes irregular voltage output affecting vehicle electronics
• Restores proper charging in Buick Calais, Oldsmobile Cutlass Calais, Grand Am, and Pontiac Skylark

Installation Notes and Tips

Before installation, verify the alternator's rotation and pulley type match your vehicle's specifications. Disconnect the battery to prevent electrical shorts during replacement. Ensure the serpentine belt is properly tensioned after installation to avoid slippage. It is recommended to inspect related components such as the battery and wiring harness for optimal system performance.

Quality Assurance and Warranty

MPA Electrical Remanufactured alternators undergo rigorous testing to meet performance standards. While specific warranty details may vary, these units typically include coverage against defects in materials and workmanship. Consult product documentation or your supplier for exact warranty terms related to part number 7877403.