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Regular price $355.90
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Alternator 4940559 for Caterpillar Engine C175 Truck CAT 797F 793F   Part NO.:CA4940559, 494-0559, 4940559   Applications:1.Caterpillar Engine: C1752.Caterpillar Trucks: 797F, 793F
Regular price $334.76
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Alternator 7017955 for JLG 260MRT 530LRT 340AJ 12V 40A Part Number:7017955 Applications:JLG Rough Terrain Scissor Lift Models 260MRT and 530LRTJLG Boom Lift Model 340AJ
30% Off
Regular price $297.99
Sale price $297.99
Regular price $423.99
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Alternator ALT10395 AL3846201 AZ3846201 for John Deere Tractor 12V 95Amp   Part NO.:ALT10395, AL3846201, AZ3846201   Specification:Valtage:12VAmpere:95A   Applications:For John Deere Tractor
Regular price $360.70
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Alternator ALT10416 for Daf Man Ford Man Part Number:ALT10416 Details:Voltage (V): 24Amperage (A): 55 Application:DAF 95 FA 95.310 1987 - 1990 11600cc, 306HPDAF 95 FA 95.330 1990 - 1993 11600...
30% Off
Regular price $444.99
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Regular price $631.99
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MAKE TYPE MODEL ENGINE Caterpillar Compact Wheel Loader 910G   Caterpillar Excavator 311   Caterpillar Excavator 311B   Caterpillar Excavator 311C   ...
Regular price $263.82
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Alternator ALT40162 for Woodauto Part Number:ALT40162 Details:For WoodautoVoltage (V):12Amperage (A):65
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Regular price $150.99
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Regular price $197.99
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MAKE TYPE MODEL ENGINE Takeuchi Excavator TB020 Takeuchi Excavator TB025 Takeuchi Excavator TB030 Takeuchi Excavator TB035 Takeuchi Excavator ...
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Alternator YF1-G8826-40-13 for Yamaha Generator EDL30000SE Part Number:YF1-G8826-40-13,YF1G88264013 Applications:Yamaha Generator:EDL30000SE
6% Off
Regular price $202.88
Sale price $202.88
Regular price $215.19
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MAKE TYPE MODEL ENGINE Genie Telescopic Boom Lift S-40 Perkins 400 Genie Telescopic Boom Lift S-45 Perkins 400 Genie Telescopic Boom Lift S-60 Perkins 400 ...
30% Off
Regular price $278.99
Sale price $278.99
Regular price $396.99
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MAKE TYPE MODEL ENGINE Kubota Tractor L2501 2WD   Kubota Tractor L2501 4WD   Kubota Tractor L2501 4WD Hydrostat   Kubota Tractor L2501F   Kubota T...
Regular price $636.36
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Alternator YF1-75316-40-10 for Yamaha Generator EDL13000STE Part Number:YF1-75316-40-10,YF1753164010 Applications:Yamaha Generator:EDL11000DE, EDL13000TE, EDL13000STE
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Regular price $318.99
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Regular price $397.99
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MAKE TYPE MODEL ENGINE Caterpillar Articulated Truck 725C   Caterpillar Articulated Truck 725C2   Caterpillar Articulated Truck 740C   Caterpillar Articul...
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Regular price $167.39
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MAKE TYPE MODEL Bobcat Excavator 321 Bobcat Excavator 322 Bobcat Excavator 323 Bobcat Excavator 325 Bobcat Excavator 328 Bobcat Excavator 329 ...
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Regular price $219.99
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Regular price $257.99
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MAKE TYPE MODEL Kubota Disc Mower R310 Kubota Disc Mower R310BH Kubota Excavator KX41-2 Kubota Excavator KX41-3 Kubota Excavator KX41H Kubota Ex...
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Regular price $283.99
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MAKE TYPE MODEL John Deere Gator Utility Vehicle XUV825I John Deere Gator Utility Vehicle XUV825I S4
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MAKE TYPE MODEL John Deere Tractor 4055 John Deere Tractor 4255 John Deere Tractor 4455 John Deere Tractor 4555 John Deere Tractor 4560 John Deer...
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Regular price $189.99
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Regular price $270.99
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MAKE TYPE MODEL John Deere Tractor 1023E John Deere Tractor 1025R John Deere Tractor 2025R John Deere Lawn Tractor X750 John Deere Lawn Tractor X754 ...
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Regular price $760.99
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MAKE TYPE MODEL ENGINE Caterpillar Excavator 315   Caterpillar Track-Type Tractor D8H   Caterpillar Track-Type Tractor D9G   Caterpillar Wheel Tractor-Scr...
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Regular price $190.99
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MAKE TYPE MODEL ENGINE John Deere Backhoe Loader 310L   John Deere Backhoe Loader 310L EP   John Deere Backhoe Loader 310SL   John Deere Backhoe Loader 4...
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Regular price $214.99
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MAKE TYPE MODEL John Deere Backhoe Loader 700 John Deere Backhoe Loader 700A John Deere Excavator 600 John Deere Loader 500 John Deere Scraper 760A ...

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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