MPA Electrical 7137103 Alternator

Remanufactured 70 Amp Alternator

MPA Electrical 7137103 is a remanufactured 12-volt alternator built for Delco applications with a 70 amp output, internal regulator, external fan, and clockwise rotation. It uses a 1-groove V-belt pulley and a 3:00 clock position, making it a direct-match option for a wide range of classic GM and Jeep charging system applications.

Use this alternator when you need a remanufactured replacement for vehicles such as the Pontiac Firebird, Chevrolet Caprice, and Buick Regal with the correct plug orientation and belt setup. Part number 7137103 is also cross-referenced as BBB Industries 7137-3 for the same application.

Key Features

• 70 amp output for 12-volt charging systems
• Internal voltage regulator for simplified electrical control
• External fan design
• 1-groove V-belt pulley
• Clockwise rotation
• 3:00 plug clock position
• Remanufactured Delco-style alternator

Detailed Description

MPA Electrical 7137103 is a remanufactured alternator for older GM and Jeep vehicles that use a Delco-style charging system. The 70 amp rating supports factory electrical loads found in applications with air conditioning, heavy-duty charging packages, and heated rear window equipment. This part number appears across multiple fitments including Buick Regal, Cadillac Seville, Chevrolet Monte Carlo, Oldsmobile Delta 88, and Pontiac Grand Prix, with notes calling out 3 o'clock plug orientation and heavy-duty configurations. Part number 7137103 is also referenced under BBB Industries 7137-3.

What This Alternator Helps Address

• Battery warning light caused by weak charging output
• Low system voltage at idle or under accessory load
• Charging issues after alternator wear or failure
• Electrical instability in vehicles with AC or heavy-duty options
• Fitment problems from incorrect plug clock position or pulley style

Installation Notes and Tips

• Verify the 3:00 clock position before installation.
• Confirm the 1-groove V-belt pulley matches the original belt drive.
• Check that the vehicle uses a 12-volt Delco-style alternator with clockwise rotation.
• Match the application notes for AC, heavy-duty, or oversize alternator configurations.
• Inspect charging cables, grounds, and belt condition during replacement.

Quality Assurance

This remanufactured alternator is built to restore proper charging performance in confirmed applications. It is listed for 1979-1983 GM and Jeep fitments, including Pontiac Firebird, Buick Regal, and Chevrolet Caprice applications, with vehicle-specific notes used to match the correct charging system configuration.