MPA Electrical 14870N Alternator

OE-Style Alternator for Suzuki and Chevrolet Applications

The MPA Electrical 14870N is a new 12-volt alternator built as a true OE replacement with fit, form, and function in mind. It is specified for select Suzuki Samurai, Suzuki Sidekick, Suzuki Forsa, Pontiac Firefly, and Chevrolet Sprint applications, with a 55-amp output and an internal regulator.

Key Features

• Part number: 14870N
• 12.0-volt alternator with 55.0-amp rating
• Internal fan and internal regulator
• Clockwise (right) rotation
• Includes pulley; 1-groove V-belt pulley design
• Nippondenso family construction
• Rear view main mounting ear at 6 o’clock plug clock position

Product Details

MPA Electrical New alternators are built to match OE-style dimensions and operating characteristics, with testing technology used to verify quality before installation. This 14870N alternator is a direct-fit charging component for older compact vehicles that use a Nippondenso-style layout, including 1985-1995 Suzuki Samurai and related applications. If you are replacing a worn charging unit on a Suzuki Samurai, Suzuki Sidekick, Pontiac Firefly, Chevrolet Sprint, or Suzuki Forsa, this alternator provides the correct electrical and mechanical configuration for the listed vehicles.

This part cross-references 14870N for the same application.

Vehicle Fitment

• Fits 1985-1995 Suzuki Samurai, N/A
• Fits 1989 Suzuki Sidekick, N/A
• Fits 1987-1988 Chevrolet Sprint, N/A
• Fits 1985-1988 Pontiac Firefly, N/A
• Fits 1985-1988 Suzuki Forsa, N/A

Common Replacement Reasons

• Battery warning light or charging system fault
• Low charging output from a failing alternator
• Noise from worn internal components
• Incorrect pulley or mounting configuration on a replacement unit
• Electrical instability in older Suzuki and Chevrolet compact vehicles

Installation Notes and Tips

Verify the vehicle’s original alternator layout before installation, including pulley style, rotation direction, plug clock position, and mounting ear orientation. This 14870N uses a 1-groove V-belt pulley and clockwise rotation, so matching the existing belt drive setup is important for proper operation. Confirm the charging system wiring and belt condition during replacement to help ensure stable output after installation.

Quality Assurance

MPA Electrical positions this New alternator line as an OE-style replacement built around fit, form, and function, with testing used to confirm product quality before release.