MPA Electrical 8137603 Alternator

Remanufactured Alternator for Jeep A/C Applications

MPA Electrical 8137603 is a remanufactured 12-volt alternator built for Jeep charging-system service. It is specified at 105 amps and uses an internal regulator, external fan, clockwise rotation, and a 6-groove serpentine pulley.

Compatible with Jeep Cherokee, Jeep Comanche, and Jeep Wagoneer applications equipped with air conditioning, this alternator is a direct-fit charging component for select 1987-1990 models. The MPA Electrical remanufactured line focuses on service-ready replacement parts for electrical system repair.

Key Features

• 105 amp output for select Jeep charging systems
• 12-volt alternator with internal regulator
• External fan design
• 6-groove serpentine pulley
• Clockwise rotation
• Delco manufacturer specification
• Remanufactured replacement part

Detailed Product Information

Part number 8137603 is a remanufactured alternator for 1987-1990 Jeep Cherokee, 1987-1990 Jeep Comanche, and 1987 Jeep Wagoneer models with air conditioning. It cross-references 8137-7 and 1101271 for the same application. The unit is built to match the listed electrical and pulley specifications, including 105 amps, 12 volts, internal regulation, and a 6-groove serpentine drive.

Use this alternator when servicing a Jeep Cherokee, Jeep Comanche, or Jeep Wagoneer charging system that requires the specified Delco-style configuration and clockwise rotation. Part number 8137603 is also listed under interchange numbers 19135975 and JR775148.

What This Alternator Helps Resolve

• Battery warning light caused by weak alternator output
• Low charging voltage at idle or under load
• Dim lights or electrical instability from charging-system failure
• Noise or belt-drive issues related to a worn alternator pulley or bearing assembly
• Starting problems linked to insufficient system charging

Installation Notes and Tips

Verify pulley groove count, rotation direction, regulator style, and connector layout before installation. Confirm that the vehicle is equipped with air conditioning and that the existing belt drive uses a 6-groove serpentine setup. Compare the removed unit to part number 8137603 and the listed interchange references before final fitment.

Quality Assurance

This MPA Electrical remanufactured alternator is built as a replacement charging component for the listed Jeep applications. The remanufactured designation indicates a rebuilt service part intended to meet the specified electrical and mounting requirements for the application.