MPA Electrical 7984604 Alternator

Remanufactured Alternator for Buick and Oldsmobile

MPA Electrical Part Number 7984604 is a remanufactured 12-volt alternator built for specific GM applications that require a Delco-style unit with a 6-groove serpentine pulley. It delivers 140 amps, uses an internal regulator, and features clockwise rotation for the listed fitments.

This remanufactured MPA Electrical alternator is built for 1991-1992 Buick Park Avenue with heated windshield and a 4:00 alternator plug, as well as 1992 Oldsmobile 98 vehicles equipped with a heated windshield. The 4:30 clock position and external fan are important match points when verifying replacement.

Key Features

• 140 amp output for charging-system replacement
• 12-volt electrical system application
• Internal regulator for integrated voltage control
• External fan design
• 6-groove serpentine pulley
• Clockwise rotation
• Delco manufacturer specification
• Remanufactured construction

Detailed Description

MPA Electrical 7984604 is a remanufactured alternator for GM vehicles that use the Delco charging-system layout. The unit is specified at 140 amps and 12 volts, with an internal regulator and external fan to match the original electrical configuration. Its 4:30 clock position and 6-groove serpentine pulley help confirm proper alignment during replacement on the listed Buick Park Avenue and Oldsmobile 98 applications.

This part cross-references Bosch 8109 for the same application. It also references OE-style numbers including 7984-5 and 10463217 for additional catalog matching.

What This Part Helps Address

• Battery warning light caused by alternator output loss
• Low charging voltage at idle or under electrical load
• Dim lights or unstable electrical performance
• Charging-system failure on heated windshield-equipped vehicles
• Noise or belt-drive issues related to a mismatched pulley or clock position

Installation Notes and Tips

Verify the vehicle’s alternator plug orientation, pulley groove count, rotation direction, and mounting clock position before installation. This alternator is listed for 1991-1992 Buick Park Avenue with heated windshield and 4:00 alternator plug, and for 1992 Oldsmobile 98 with heated windshield. Confirm the charging-system connector and belt alignment against the original unit before final fitment.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to meet the specifications required for the listed application, including amperage, voltage, regulator type, and pulley configuration. Part number 7984604 is cataloged for direct replacement use on the specified Buick and Oldsmobile vehicles.