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How Do Alternators Work?

The alternator is a part of a vehicle's charging system. Its job is to turn mechanical energy, or motion, into electrical energy, or electricity. How they do it is a straightforward process.

It starts with the engine, which runs the serpentine belt and drive belts. As those belts move, pulleys turn a rotor shaft. The shaft then turns some magnetic coils. The movement of the coils creates a magnetic field. A rectifier captures its energy as AC power and turns it into DC power - a charge that a voltage regulator manages.

When to Replace Mopar Alternators

Unfortunately, alternators can go bad at times. Luckily, alternator problems are easy to spot. Signs of them include:

  • Dashboard warning lights
  • Lighting malfunctions
  • A car entertainment system that works intermittently
  • A dead battery
  • A burning smell under the hood
  • Leaking alternator fluid
  • Engine squeals
  • Electrical system failure

If you see symptoms like these, run an inspection and test your vehicle's charging system. If the results demand alternator replacement, take care of it ASAP. Otherwise, change the alternator every 7 years or every 80,000 to 150,000 miles.

Repair Your OEM Charging System with a Genuine Mopar Alternator

Mopar designs its alternators to work with your brand and model from the start, guaranteed. So, you shouldn't trust anything less than genuine OEM. You're in luck: you can order the real thing here online at our auto parts store. We'll ship it out to you right away, so you can get repairs done in no time.

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Alternator

Part Number: 1BP00811AA
bproauto bproauto
Other Names: 840249258639
Fits:
  • Chrysler:
    • 200
Out of Stock

Alternator

Part Number: 1BP00815AA
bproauto bproauto
Other Names: 840249258660
Fits:
  • Chrysler:
    • Pacifica
  • Ram:
    • ProMaster 1500,
    • ProMaster 2500,
    • ProMaster 3500
Out of Stock

Alternator

Part Number: 1BP00819AA
bproauto bproauto
Other Names: 840249258707
Fits:
  • Jeep:
    • Commander,
    • Grand Cherokee
Out of Stock

Alternator

Part Number: 1BP00829AA
bproauto bproauto
Other Names: 840249258783
Fits:
  • Dodge:
    • Journey
Out of Stock

Alternator

Part Number: 1BP00833AA
bproauto bproauto
Other Names: 840249258820
Fits:
  • Chrysler:
    • Aspen
  • Dodge:
    • Durango,
    • Nitro,
    • Ram 1500
  • Jeep:
    • Commander,
    • Grand Cherokee,
    • Liberty
  • Ram:
    • 1500
Out of Stock

Alternator

Part Number: 1BP00839AA
bproauto bproauto
Other Names: 840249258875
Fits:
  • Jeep:
    • Commander,
    • Grand Cherokee
Out of Stock

Alternator

Part Number: 4801477AG
Mopar Mopar
Notes: Engines: 2.4l i4 dohc 16v turbo engine. 2.0l i4 dohc 16v dual vvt engine. 2.0l i4 pzev 16v dual vvt engine. 2.4l i4 dohc 16v dual vvt...
Applications: SE 4x4. SE FWD. 4x2 FWD. 4x4. 4x2. 4x4. 70th Anniversary 4x2. 70th Anniversary 4x4.
Other Names: 04801477ag, Generator
Replaces: 4801477AA
Fits:
  • Chrysler:
    • 200,
    • Sebring
  • Dodge:
    • Avenger,
    • Caliber
  • Jeep:
    • Compass,
    • Patriot
Out of Stock

Alternator

Part Number: 4727865AB
Mopar Mopar
Notes: Engines: 3.8l v6 smpi engine. 3.3l v6 ohv engine. 3.8l v6 ohv engine.
Applications: 25th Anniversary Edition. 2-Door 4x4. 4-Door 4x2. 4-Door 4x4. 4-Door 4x2. 4-Door 4x4. 4-Door 4x4 RHD. 42 4-Door. 44 2-Door. 44 2-Door RHD. 44 4-Door.
Other Names: 04727865ab, Alternator
Description: The Mopar Alternator, part number 4727865AB, is a crucial component in the electrical system of various Chrysler, Dodge, Jeep, and Ram...
Fits:
  • Chrysler:
    • Town & Country
  • Dodge:
    • Grand Caravan
  • Jeep:
    • Wrangler
Out of Stock

Alternator

Part Number: 56029624AC
Mopar Mopar
Notes: Engines: 2.4l i4 multiair engine. 2.4l i4 multiair engine w/ ess. 2.4l i4 zero evap m-air engine. 2.4l i4 zero evap m-air engine...
Applications: 4x2. 4x4. L Plus 4x4. Altitude 4x4. Altitude FWD. With Tech Connect Package 4x4. With Tech Connect Package FWD.
Other Names: Generator
Replaces: 56029624AA, 56029624AB
Description: The Mopar 56029624AC Alternator is a vital component for maintaining the electrical system of your vehicle. It generates electrical...
Fits:
  • Chrysler:
    • 200
  • Fiat:
    • 500X
  • Jeep:
    • Cherokee,
    • Compass,
    • Renegade
  • Ram:
    • ProMaster City
Out of Stock

Alternator

Part Number: 56029764AB
Mopar Mopar
Notes: Engines: 5.7l v8 hemi mds vvt engine.
Other Names: Generator
Replaces: 56029764AA
Description: The Mopar Alternator (56029764AB) is an OEM replacement part designed for Ram trucks from the 2015 to 2024 model years. This alternator...
Fits:
  • Ram:
    • 1500,
    • 1500 Classic
Out of Stock

Alternator

Part Number: 68412621AA
Mopar Mopar
Notes: Engines: 1.3L I4 Turbo MAir DI Engine w/ESS.Transmissions: 9-spd 948te awd auto trans. 6-spd c635 dual dry clutch auto tran. 9-spd 948te...
Applications: 4x4. FWD. Blue Sky AWD. 120th Anniversary Edition AWD.
Other Names: Generator
Description: The Mopar Alternator with part number 68412621AA is an OEM component designed to generate electrical power for the vehicle’s electrical...
Fits:
  • Fiat:
    • 500X
  • Jeep:
    • Renegade
Out of Stock

Alternator

Part Number: 1BP00800AA
bproauto bproauto
Other Names: 840249258530
Fits:
  • Chrysler:
    • Town & Country
  • Dodge:
    • Grand Caravan
  • Jeep:
    • Wrangler
Out of Stock

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