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Regular price $729.99
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MAKE TYPE MODEL ENGINE Caterpillar     3116 Caterpillar     3126 Caterpillar     3196 Caterpillar     3304 Caterpillar     3306 Caterpillar     3508 Caterpillar COLD PLANER PR-1000...
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Regular price $214.99
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50A 12V Alternator 31A68-00402 31A6800402 LRA1900 LRA01900 31A68-00401 31A6800401 31A68-00300 31A6800300 31A62-00400 31A6200400 ALT30009 112492 for Mitsubishi S3L S4L SQ SS Engine   Part NO.:31A...
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Regular price $331.99
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MAKE ENGINE Perkins 1000 Series Perkins 1004-40T Perkins 1006-6T Perkins 1100 Series Perkins 1103C-33 Perkins 1103C-33T Perkins 1103D-33 Pe...
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Alternator 23100-97679 for Nissan UD GE13 Engine Part Number:23100-97679,2310097679 Applications:For Nissan UD GE13 Engine
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Alternator 191-2420 for Onan 12V 90A Part Number:191-2420,1912420 Applications:For Onan
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Regular price $308.64
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Regular price $374.15
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Alternator 187-1224 for Onan Genset HDCAC HDCAD HDCAA HDCAB  Applications:Onan Genset: HDCAC HDCAD HDCAA HDCAB
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Alternator 185-5994 for Onan Generator 12V 40A  Applications:For Onan Generator
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MAKE TYPE MODEL ENGINE CAT Articulated Dump Truck 735   CAT Articulated Dump Truck 740   CAT Excavator 322C   CAT Excavator 324D   CAT Excavator ...
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Regular price $222.99
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BRAND ENGINE Perkins 403D-11 Perkins GJ65471R Perkins GJ65471U Perkins GJ65598N Perkins GJ65598R Perkins GJ65598U Perkins GJ65601U Perkins ...
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Regular price $257.99
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MAKE TYPE MODEL ENGINE CAT Wheel Loader 906   CAT Skid Steer Loader 247   CAT Skid Steer Loader 257   CAT Skid Steer Loader 267   CAT Skid Steer Lo...
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Regular price $298.99
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MAKE TYPE ENGINE YEAR Yanmar 3cyl Diesel Engine 3JH2 1991-1999 Yanmar 3cyl Diesel Engine 3JH2-BE 1991-1999 Yanmar 3cyl Diesel Engine 3JH2-E 1991-1999 Yanma...
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Regular price $224.99
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MAKE ENGINE Kubota D1703 Kubota V2003 Kubota V2203  
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Regular price $376.99
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Regular price $535.99
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Alternator 0124555009 11170321 for Volvo Excavator EC135B EC140B EC360   Part No.:Bosch: 0124555009, 0124555017, 0124555020, 0124555027, 0124555028, 0124655008, 0124655012, 0124655019, 0986049350...
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Regular price $312.99
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Alternator 0120488185 0 120 488 185 for Deutz DX3.10 F3L912 DX3.60 F4L912   Part No.:0120488185,0 120 488 185   Specification:Voltage: 12VAmpere: 55A   Application: BRAND MODEL D...
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Regular price $282.99
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MAKE TYPE MODEL John Deere Tractor 1020 John Deere Tractor 1030 John Deere Tractor 1030OU John Deere Tractor 1030VU John Deere Tractor 1035 John ...
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Regular price $301.99
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MAKE TYPE MODEL Doosan Crawler Excavator SOLAR 140LC-V Doosan Crawler Excavator SOLAR 155LC-V Doosan Crawler Excavator SOLAR 170LC-V Doosan Crawler Excavator ...
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Regular price $301.99
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MAKE TYPE MODEL ENGINE Kubota Tractor B3350HSDC   Kubota Tractor B3350HSDCC   Kubota Tractor L3560HSTC   Kubota Tractor L4060HSTC   Kubota Tractor...
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Regular price $194.99
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MAKE TYPE MODEL ENGINE John Deere Tractor 2210 John Deere Tractor 2243 John Deere Tractor 2305 John Deere Tractor 2320 John Deere Tractor 2520 John Deere Tractor 322 John D...
Regular price $377.33
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12V 40A Alternator E6213-64012 for Kioti Engine 3C100 Tractor LK3054 LK2554 CK20 CK25 CK30 UTV MEC2200GW MEC2200SW Part Number:E6213-64012, E621364012 Applications:Kioti Engine: 3C100Kioti Trac...
Regular price $378.03
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12V 40A Alternator 1G882-64013 for Kubota Engine V2403 V2203   Part Number:1G882-64013, 1G88264013, IG882-64010, 1G882-64014, 1G882-64015, IG88264010, 1G88264014, 1G88264015   Specification:Voltage...

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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