MPA Electrical 7864610 Alternator

Remanufactured Alternator for Delco Applications

The MPA Electrical 7864610 remanufactured alternator is built for 12-volt charging systems that require OE fit, form, and function. It is a Delco-family unit with a 120-amp rating, internal regulator, external fan, and clockwise rotation, making it a direct replacement choice for select Buick, Oldsmobile, and Pontiac applications.

Designed for vehicles using a serpentine belt drive, this alternator includes a 6-groove pulley and is configured with a rear-view plug clock position of 11 and a main mounting ear at 6 o’clock. The MPA Electrical remanufactured line focuses on OE-style replacement coverage with updated remanufacturing and testing processes for consistent electrical performance.

Key Features

• MPA Electrical remanufactured alternator, part number 7864610
• 12.0-volt charging system design
• 120.0 amp output rating
• Internal regulator for simplified charging control
• External fan construction
• Clockwise (right) rotation
• 6-groove serpentine pulley included
• Delco family configuration

Detailed Description

MPA Electrical 7864610 is a remanufactured alternator engineered for OE-style replacement in select 1987-1988 Buick, Oldsmobile, and Pontiac vehicles. It matches the Delco family layout and uses a serpentine belt pulley setup, which is important when replacing a worn charging unit in a factory-style accessory drive system. This part number 7864610 is also referenced for applications that call for 1101182, 1101274, 10463026, 10463033, or 19135878.

Compatible With 1987-1988 Pontiac Bonneville, N/A. Compatible With 1987 Buick Century, N/A. Compatible With 1987 Buick LeSabre, N/A. Compatible With 1987 Oldsmobile 98, N/A.

Common Problems This Part Can Address

• Low battery charging caused by a failing alternator
• Battery warning light illumination from charging system faults
• Dim or inconsistent electrical output at idle or under load
• Noise or wear related to an aging alternator assembly
• Charging system failure in Delco-equipped Buick, Oldsmobile, and Pontiac vehicles

Installation Notes and Tips

Verify pulley style, groove count, rotation direction, regulator type, and connector clocking before installation. Confirm the vehicle uses a serpentine belt drive and compare the mounting ear and plug orientation to the original unit. For best results, inspect the battery, belt condition, and charging circuit before installing the replacement alternator.

Quality Assurance

MPA Electrical remanufactured alternators are processed with OE fit, form, and function in mind, then tested using current remanufacturing and validation methods to support reliable replacement performance.