Mighty CP21S Boy Rebuilt Alternator 31400-60F50


JDM Alternator

Suzuki Vehicle Compatibility Table

VehicleModelGenuine Part NumberPart NumberManufacturerVoltage/Current Engine
Mighty BoyCP21S31400-60F50A7T02174Mitsubishi12V/50AF6A

The parts supplied by Auto Parts Box Japan are products that have undergone strict quality control by Japanese companies and possess the following features:

  • Reliability – Rebuilt in Japan Using Genuine/OEM Cores.
  • High Quality – Rigorous inspections and meticulous quality control.
  • Durability – Providing consistent performance and peace of mind.
  • Cost-Effective – Providing assured quality at a lower price compared to purchasing new parts, helping you save on your budget.
Tools

How to Check Compatibility

If you do not know the part number, please provide your vehicle’s chassis number, and we will help verify the compatible parts for your car.

For alternators, the manufacturer’s part number is usually printed on a sticker attached to the unit. If the number is still visible and the sticker is not damaged, please provide that number.

Regarding Auto Parts

For more details on the rebuilt parts supplied by Auto Parts Box Japan, please see the following pages:

Contact Us

Feel free to contact us with any questions or service requests.

Prices on our website are slightly lower than on eBay, as there are no additional marketplace fees.
You’re welcome to choose whichever option is more convenient — the product and quality remain the same.

Alternator: Basic Functions and Common Problems

A detailed explanation of the alternator’s role, structure, and common signs of malfunction is available at the link below.
Please feel free to take a look if you’re interested.

Alternator Components

Part NameGenuine Part Number
Alternator assembly31400-60F50
Spacer31792-51F10
Retainer, bearing31585-60A10
Stator assembly31410-60F50
Bearing31582-50F20
Rectifier31621-60F30
Regulator32500-60F30
Brush31631-60F30
Pulley31171-51F10
Nut, pulley31775-50F20
Screw set31586-60A10
Screw set31651-86520
Rotor31710-60F50
Bearing31612-60A10
Nut08316-10063
Bolt01550-10553
Insulator31514-82630
Nut08310-00063
Bracket31580-60F50
Bracket assembly31611-60F50
Lock washer08321-01063
Bracket, generator17911-70B00
Bolt01550-08303
Bolt01550-08403
Generator belt adjustment11560-60D01
Bolt01550-08203
Bolt, 8X2509118-08107

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