MPA Electrical 15666 Alternator

Remanufactured Alternator for Delco Applications

MPA Electrical Part Number 15666 is a remanufactured 12-volt alternator built for Delco-equipped vehicles that need a direct charging-system replacement. It is specified at 60 amps with an internal regulator, external fan, clockwise rotation, and a 4-groove serpentine pulley.

Compatible With 1990 Geo Storm and 1990 Isuzu Impulse, this alternator supports OE-style charging performance for vehicles using a Delco alternator setup. The MPA Electrical remanufactured line focuses on service replacement units for common electrical repair needs.

Key Features

• MPA Electrical remanufactured alternator, Part Number 15666
• 60 amp output for 12-volt charging systems
• Internal regulator for integrated voltage control
• External fan design
• 4-groove serpentine pulley
• Clockwise rotation
• Delco manufacturer specification
• Fits 1990 Geo Storm and 1990 Isuzu Impulse with Delco alternator applications

Detailed Description

This remanufactured alternator is built for 1990 Geo Storm and 1990 Isuzu Impulse vehicles equipped with a Delco alternator. Part Number 15666 matches the listed electrical and pulley specifications, including 60 amps, 12 volts, internal regulation, and a 4-groove serpentine drive. For buyers searching for a 1990 Geo Storm alternator or a 1990 Isuzu Impulse alternator replacement, this unit provides a direct-fit service option for the original charging system layout.

This part cross-references Carlson 7949 for the same application.

What It Helps Solve

• Low battery charging caused by a failing alternator
• Battery warning light concerns related to charging output
• Dim lights or electrical instability from weak alternator performance
• Noise or wear associated with a worn charging unit
• Replacement needs for Delco-style 12-volt charging systems

Installation Notes and Tips

Verify pulley groove count, regulator type, rotation, and connector style against the original unit before installation. Confirm the vehicle uses a Delco alternator application and match the mounting and belt configuration to the existing setup. After installation, check charging voltage at the battery and inspect belt alignment and tension.

Quality Assurance

MPA Electrical remanufactured components are rebuilt for service replacement use and are specified to match the listed application details for proper fitment and charging-system function.