MPA Electrical 8163501 Alternator

Remanufactured Alternator for Delco Applications

MPA Electrical 8163501 is a remanufactured 12-volt alternator built for charging-system service on select Chevrolet, GMC, and Oldsmobile applications. It is specified at 120 amps and uses an internal regulator, external fan, clockwise rotation, and a 5-groove serpentine pulley for the listed vehicle applications.

Key Features

• 120 amp output for charging-system replacement
• 12 volt alternator with internal regulator
• External fan design
• Clockwise rotation
• 5-groove serpentine pulley
• Delco manufacturer specification
• Remanufactured by MPA Electrical

Product Details

This MPA Electrical remanufactured alternator, part number 8163501, is built for vehicles that use a Delco-style charging system with the listed pulley and rotation requirements. It is a direct-fit service part for 1993-1995 Chevrolet P30 models with a 120 amp alternator and 5S pulley, 1992-1995 GMC P3500 models with the optional 120 amp alternator, and 1992 Oldsmobile Toronado models without heated windshield equipment and with a 5S pulley. This part cross-references BBB Industries 8163-2 for the same application.

What It Helps Resolve

• Low battery charging output
• Battery warning light illumination
• Dim lights caused by charging-system weakness
• Voltage instability at the electrical system
• Alternator noise or charging failure tied to worn internal components

Installation Notes and Tips

Verify pulley groove count, regulator type, rotation direction, and amperage before installation. Confirm the vehicle uses the listed Delco configuration and match the application notes for Chevrolet P30, GMC P3500, or Oldsmobile Toronado. Inspect the drive belt, electrical connectors, and charging cables during replacement to help ensure proper system operation.

Quality Assurance

MPA Electrical remanufactured parts are rebuilt for service replacement use and are identified by the original-style application details needed for fitment matching. Part number 8163501 is specified for the listed charging-system configurations and cross-references OE and aftermarket numbers used for the same applications.