MPA Electrical 12121 Starter Motor

Remanufactured Starter for Infiniti M30

This MPA Electrical remanufactured starter is built for 1990-1992 Infiniti M30 applications and matches the original 12-volt, 1.4 kW starting setup. It uses an offset gear reduction design with counterclockwise rotation and a 20-tooth drive for OE-style starting performance.

Key Features

• Remanufactured starter from MPA Electrical
• Part number 12121
• 12 volts, 1.4 kW output
• Offset gear reduction design
• Counterclockwise rotation
• 20-tooth drive
• Manufacturer reference: Hitachi/Mitsubishi

Product Details

Built for the Infiniti M30, this starter is specified for 1990-1992 models and follows the original electrical and mechanical configuration used in the vehicle. The remanufactured construction supports direct replacement needs for drivers servicing a no-start condition, slow cranking complaint, or a starter that no longer engages consistently. Part number 12121 is also referenced in interchange listings for related OE and aftermarket applications, including Carlson 17426.

MPA Electrical’s remanufactured line focuses on replacement components that align with original equipment specifications. For this starter, the offset gear reduction layout and counterclockwise rotation are important details for proper fit and operation on the Infiniti M30.

What This Starter Helps Address

• Engine no-crank conditions
• Slow or weak cranking during startup
• Intermittent starter engagement
• Starter noise related to worn internal components
• Starting issues caused by a failed original unit

Installation Notes and Tips

Verify the vehicle’s original starter specifications before installation, including voltage, rotation, tooth count, and mounting configuration. Confirm the application matches 1990-1992 Infiniti M30, and compare the removed unit to part number 12121 to ensure the correct offset gear reduction design is selected. Clean battery connections and inspect cables, grounds, and charging-system condition during replacement to avoid repeat starting problems.

Quality Assurance

This remanufactured starter is produced under the MPA Electrical brand and built to match the listed OE-style specifications for the Infiniti M30. It cross-references Carlson 17426 for the same application.