MPA Electrical 7891511 Alternator

Remanufactured 105 Amp Alternator for GM Applications

MPA Electrical Part Number 7891511 is a remanufactured 12-volt alternator built for GM charging-system applications that require a Delco-style unit with a 5-groove serpentine pulley. It delivers 105 amps, uses an internal regulator, and rotates clockwise for direct replacement in the listed Chevrolet and GMC vehicles.

This remanufactured alternator is part of MPA Electrical’s Remanufactured line, focused on rebuilt electrical components for charging and starting systems. The 7891511 alternator is specified with an external fan, 11:00 clock position, and 5-groove serpentine pulley configuration for applications that match the original setup.

Key Features

• 105 amp output for 12-volt charging systems
• Internal regulator for integrated voltage control
• External fan design
• Clockwise rotation
• 5-groove serpentine pulley
• Delco manufacturer specification
• Remanufactured electrical component

Detailed Description

MPA Electrical 7891511 is a remanufactured alternator for Chevrolet and GMC trucks, vans, and Suburban models equipped with the correct 105 amp charging setup. It is listed for applications including Chevrolet P30, G20, G30, P20, R10 Suburban, R20 Suburban, V10 Suburban, V20 Suburban, R10, R20, R30, V10, V20, and V30, along with GMC P3500, P2500, Jimmy, R1500 Suburban, R2500 Suburban, V1500 Suburban, V2500 Suburban, R1500, R2500, R3500, V1500, V2500, and V3500. This part cross-references Delco-style alternator numbers such as 1101465 and 1101807 for the same application.

What It Helps Resolve

• Battery warning light caused by low alternator output
• Weak charging performance at idle or under load
• Electrical system voltage drop in accessory-heavy vehicles
• Charging failure from a worn or damaged alternator
• Noise or belt issues related to a mismatched pulley configuration

Installation Notes and Tips

• Verify the vehicle uses a 105 amp alternator before ordering.
• Confirm the 5-groove serpentine pulley, clockwise rotation, and 11:00 clock position match the original unit.
• Check connector style and mounting alignment against the removed alternator.
• Review fitment carefully for air-conditioning and optional-equipment notes on Chevrolet and GMC applications.
• Inspect belt condition and charging-system wiring during replacement.

Quality Assurance

As a remanufactured MPA Electrical alternator, this unit is rebuilt for charging-system replacement in the listed GM applications and specified to Delco-style dimensions and operating characteristics.