Other Alternator Components

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For Reference Only - Some Applications May Vary.


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  1. Alternator Pulley 3-5/8X2.37TX2 Grooves K187-353 - Kenworth
    Price $172.73
    Ships within 72 hours
  2. Pulley - Alternator 3-1/2X1.44TX2 GRVS K187-332 - Kenworth
    Price $134.46
    Ships within 72 hours
  3. Alternator Pulley D68-6001-08073 - Paccar
    Price $136.38
    Ships within 72 hours
  4. Pulley - Alternator 3x1.44 in. TX2 Grooves K187-372 - Kenworth
    Price $155.93
    Ships within 72 hours
  5. Bearing Kit (Baterless Alternator) K183103997S - Prestolite / Leece-Neville
    Price $114.96
    Ships within 3 to 6 weeks
  6. Diode 10512371 - Delco Remy
    Delco Remy Diode 10512371
    Part# 10512371 OLD# -
    Price $152.21
    Ships within 3 to 6 weeks
  7. Brush Plate Assembly 10470208 - Delco Remy
    Price $119.39
    Ships within 3 to 6 weeks
  8. Field Coil 1988111 - Delco Remy
    Price $102.76
    Ships within 3 to 6 weeks
  9. 24V Regulator - Service 8RG3088S - Prestolite / Leece-Neville
    Price $100.54
    Ships within 3 to 6 weeks
  10. Stator 77953 - Prestolite / Leece-Neville
    Price $131.70
    Ships within 3 to 6 weeks
  11. Stator Assembly 10471056 - Delco Remy
    Price $124.77
    Ships within 3 to 6 weeks
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Other Alternator Components and more at Big Rig World

In addition to the alternator bracket, there are several other key components that make up the alternator and contribute to its proper functioning. This includes the rotor, stator, rectifier, voltage regulator, bearings, pulley, and more. All the parts of your alternator need to be in good condition for the whole system to keep working effectively and without issues.

Regular maintenance and inspection of these components can help prolong the life of your vehicle and keep the charging system running properly. 

Most common components of alternators

The rotor is a rotating magnet that spins up within the stator, generating a magnetic field. It's usually mounted on a shaft and driven by the engine’s pulley system. The stator, on the other hand, is a stationary component made up of wire coils that surround the rotor. When the rotor spins, it induces an alternating current in the stator’s wire coils, which is used to generate electricity.

The rectifier is a set of diode that converts the alternating current, generated by the stator, into direct current. The DC current is used to charge the battery and power the vehicle’s electrical systems. To maintain a constant output of voltage from the alternator, a voltage regulator is used. It ensures that the battery is charged at the correct voltage and prevents damage to the vehicle’s electrical systems, monitor the battery voltage and adjusting the alternator’s output accordingly.

There are also numerous bearing and pulleys locate within the alternator, which minimize friction and transfer the engine’s rotational energy to the alternator. A cooling fan is also usually attached to help dissipate heat generated by the alternator. Brushes and slip rings are used to maintain electrical contact between components.

For all your alternator components needs, check out Big Rig World - we offer an extensive selection of replacement parts for heavy-duty vehicles, including miscellaneous alternator components and more.