MPA Electrical 7938607 Alternator

Remanufactured Alternator for Buick and Oldsmobile

The MPA Electrical 7938607 is a remanufactured 12-volt alternator built for OE fit, form, and function. It is engineered for 1989-1991 Buick Skylark and 1989-1991 Oldsmobile Cutlass Calais applications, with the specifications needed for a direct electrical charging system replacement.

Key Features

• Remanufactured alternator for OE-style replacement
• 12.0-volt electrical system
• 74.0 amp output rating
• Internal regulator for integrated voltage control
• External fan design
• Clockwise rotation
• Included pulley with 6-groove serpentine belt setup
• Delco family design
• Rear view main mounting ear plug clock position: 7

Detailed Product Overview

MPA Electrical remanufactured alternators are processed with modern remanufacturing and testing methods to deliver a dependable OE replacement. Part number 7938607 is configured for Delco-style charging systems and includes the pulley, 6-groove serpentine belt interface, and internal regulator needed for the listed Buick Skylark and Oldsmobile Cutlass Calais fitments. This part cross-references Monroe Shocks & Struts (e.g., 224410, 1101483) for the same application.

Compatible With 1989-1991 Buick Skylark and 1989-1991 Oldsmobile Cutlass Calais, this alternator supports vehicles that need a direct replacement for the original charging unit. The 74-amp rating, clockwise rotation, and external fan configuration help match the factory electrical and mounting requirements for these applications. Part number 7938607 is a practical choice when replacing a worn or failing alternator in these GM compact car platforms.

What This Alternator Helps Resolve

• Battery warning light caused by alternator output loss
• Low charging voltage during driving or idle
• Dim lights and unstable electrical performance
• Noise or wear from a failing alternator assembly
• Charging system issues tied to a damaged or aging OE unit

Installation Notes and Tips

Verify pulley groove count, belt type, plug clock position, rotation direction, and regulator style before installation. Confirm the vehicle uses a 12-volt Delco-style alternator with an internal regulator and 6-groove serpentine belt routing. Always inspect the battery, belt condition, and charging circuit connections during replacement to help prevent repeat failure.

Quality Assurance

This remanufactured alternator is built to OE fit, form, and function standards and is tested using current remanufacturing and validation processes before release. MPA Electrical positions this product line as a remanufactured OE replacement solution for charging system service.