MPA Electrical 7991611N Alternator

Reliable 100 Amp Alternator for Select GM Vehicles

The MPA Electrical New 7991611N alternator is designed to provide consistent 12-volt electrical output for a range of GM trucks and SUVs. Engineered with an external fan and internal regulator, this alternator supports the charging needs of vehicles like the Chevrolet Blazer and GMC K1500.

• 100 amps output for stable electrical performance
• 12 volts system compatibility
• External fan for efficient cooling
• Internal voltage regulator for precise control
• 6 groove serpentine pulley design
• Clockwise rotation at 11:00 clock position
• Manufactured by Delco for trusted quality

Product Features and Specifications

This MPA Electrical New alternator, part number 7991611N, delivers 100 amps of power suitable for 12-volt electrical systems. It features an external fan that helps maintain optimal operating temperature during heavy use. The internal regulator ensures voltage remains steady, protecting your vehicle’s electrical components. The 6 groove serpentine pulley is designed for compatibility with specific GM drive belts, while the clockwise rotation and 11:00 clock position mounting provide proper fitment in designated models.

Compatible Vehicles and Applications

This alternator is compatible with a variety of General Motors vehicles, including Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models. It is specifically suited for applications such as the Chevrolet Blazer, Camaro, C1500, C2500, C3500, and GMC K1500, K2500, K3500 trucks. Other compatible models include the Pontiac Firebird, Oldsmobile Brougham, and Chevrolet Caprice. The part number 7991611N ensures correct fitment for these vehicles’ electrical charging systems.

• Replaces failing or underperforming alternators
• Resolves battery charging issues
• Eliminates dim or flickering headlights
• Prevents electrical system voltage drops
• Addresses overheating alternator problems

Installation Notes and Tips

When installing the MPA Electrical New 7991611N alternator, verify the 11:00 clock position and clockwise rotation match your vehicle’s requirements. Ensure the 6 groove serpentine pulley aligns with your belt system. Disconnect the battery before installation to avoid electrical shorts. Proper torque specifications should be followed to secure mounting bolts. Testing the charging system after installation is recommended to confirm correct operation.

Quality Assurance and Warranty

Manufactured by Delco and distributed under the MPA Electrical New product line, this alternator meets industry standards for durability and performance. The internal voltage regulator and external fan design contribute to reliable operation under various driving conditions. Warranty details are provided by the manufacturer and typically cover defects in materials and workmanship for a specified period.