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Alternator MM432804 for Mitsubishi 6G72 Engine FG40 Forklift Cub Cadet 7192 7193 7232 7300 7305 Tractor 12V 40A   Part No.:MM432804, A0T25171, A0T25271, A0T25371   Specification:Voltage: 12 Vol...
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Alternator Generators 382-08919 for Lister Petter LPW2 LPW3 LPW4 12V 70A Part Number:Lister Petter:382-08919,38208919,750-40320,75040320 FG Wilson:941-689,941689,941-117,941117 Applications:Fo...
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Regular price $295.99
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MAKE TYPE MODEL ENGINE Komatsu Excavator PC38UU   Komatsu Excavator PC30MRX-1   Komatsu Excavator PC27MRX   Komatsu Excavator PC27MR-1   Komatsu E...
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MAKE TYPE MODEL ENGINE Caterpillar Mini Excavator 308B   Mitsubishi     4M40    
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Alternator AT64718 908221 fits John Deere Loader 444C 544C 644C JD444 JD544B JD644B   Part NO.:JOHN DEERE: AT64718BOBCAT: 908221   Specification:VOLTAGE: 12VAMPERAGE: 61A   Application: ...
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Regular price $226.99
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Regular price $426.99
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MAKE TYPE MODEL Kioti Tractor DK35 Kioti Tractor DK35CR Kioti Tractor DK40 Kioti Tractor DK40CR  
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MAKE TYPE MODEL ENGINE John Deere Air Drill 780   John Deere Air Drill 785   John Deere Central Metering Seeder 665   John Deere Front Mower F912   John Deere Front Mower F915 Yanmar...
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Regular price $194.99
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MAKE TYPE MODEL ENGINE Case Crawler Tractor 1155E   Case Crawler Tractor 650K Series 2   Case Crawler Tractor 650K Series 3   Case Crawler Tractor 750K   Case Crawler Tractor 750K Se...
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MAKE ENGINE Deutz 1011 Deutz  BF4L1011 Deutz  F3L1011 Deutz  F3L1011F Deutz  F4L1011 Deutz  F4L1011F Deutz  TD 2011 L04 I Deutz  FL 2011 ...
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Regular price $336.99
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Regular price $478.99
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BRAND TYPE MODEL ENGINE Caterpillar Asphalt Paver AP-1000B   Caterpillar Asphalt Paver AP-1050B   Caterpillar Asphalt Paver AP-1055B   Caterpillar Asphalt...
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BRAND TYPE MODEL Case Crawler Dozer 650L Case Crawler Dozer 750L Case Crawler Dozer 850L Case Forklift 586G Case Forklift 588G New Holland Backh...
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MAKE TYPE MODEL ENGINE Bobcat Excavator E08   Bobcat Excavator E10   Bobcat Excavator E14   Bobcat Excavator E16   Bobcat Skid Steer Loader 319 ...
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Regular price $249.99
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BRAND TYPE MODEL ENGINE Kubota Ride on Mower G2160   Kubota Ride on Mower X001E G2460G   Kubota Ride on Mower X001E R310   Kubota Ride on Mower X001E TG1...
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Alternator 66021532 for Prestolite AS128 Type Part Number:66021532 Applications:Series number:AS128Notes:80MM PULLEYNew, Sliding bushFix circle (Mount): 90mmFix circle (Adjuster): 86mmBracket ang...
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Regular price $250.99
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MAKE ENGINE Kubota D1503 Kubota D1503-M Kubota D1703 Kubota D1703-M Kubota F2803 Kubota V1903 Kubota V2003 Kubota V2003-M Kubota V2003-M-T Kubota V2003-T Kubota V2203 K...
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Regular price $559.99
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Regular price $795.99
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BRAND TYPE MODEL ENGINE CAT TRUCK D25C   CAT TRUCK D30C   CAT TRUCK D350C   CAT TRACK PR-1000   CAT TRACK  PR-450   CAT TRACK  PR-450C  ...
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Regular price $609.99
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MAKE ENGINE Cummins 4B Cummins 4BT Cummins 4BTA Cummins 4BTAA Cummins 3.9L  
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Regular price $602.99
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MAKE ENGINE Cummins 6BT  
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Regular price $453.99
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MAKE ENGINE Cummins ISF3.8 Cummins B3.9 Cummins 4BT  
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Regular price $182.99
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Regular price $259.99
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MAKE TYPE MODEL ENGINE Kubota Tractor M6040DH   Kubota Tractor M6040DT   Kubota Tractor M6040DT-1   Kubota Tractor M6040F   Kubota Tractor M6040F-1   Kubota Tractor M6040HD   Kub...

The alternator is the main power source for the diesel engine during normal operation, it supplies power to the electricity-using equipment and charges the battery. The diesel alternator is mounted on the cylinder block of the engine. When the diesel engine is working, the rotor of the diesel alternator is rotated by the belt, and the belt tightness can be adjusted by the adjustment lever.

MyMROmarts is a professional aftermarket alternator shop, and our diesel engine alternators for sale have a cheap price but high performance. Buy a new aftermarket alternator at a low cost for your heavy duty trucks, tractors, forklifts, and other heavy equipment. MyMROmarts also offers aftermarket diesel engine alternators of various brands, such as Kubota, Cummins, John Deere, CAT Caterpillar, Perkin, Yanmar, etc. If you have any problems with our diesel engine alternators, please feel free to contact us.

What Is an Aftermarket Alternator?

A diesel engine alternator is an important component of a charging system, responsible for converting mechanical energy into electrical energy to power the equipment's electrical system and charge the battery. The parts of an alternator include brushes, pulleys, fans, rotors, stators, rectifiers, voltage regulators, etc.
An aftermarket alternator is a replacement part that is not manufactured by the vehicle's original equipment manufacturer. MyMROmarts aftermarket alternators are designed to match the original part's specifications, providing your equipment with better durability and higher power output.

How Does an Alternator Work?

The working principle of an alternator is to convert the energy generated by diesel combustion into mechanical energy through an internal combustion engine. The mechanical energy is then converted into electrical energy through a generator.
As long as you have DIY ability, when the engine fails, you can also consider replacing it yourself. Understanding the working principle of alternator can help you replace the broken electric alternator. As a professional aftermarket alternator online shop, the engine alternators we offer are of superior quality and affordable prices. Welcome to choose the high-performance alternator that suits your needs here and inject new power into your heavy duty equipment.

Signs of a Bad Alternator

Here is a brief list of some signs of a bad alternator:

  • Warning Light on the Dashboard
  • Dimming or Flickering Lights
  • Weak or Dead Battery
  • Strange Noises
  • Burning Smell
  • Difficulty Starting the Equipment
  • Electrical Failures

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