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Toll-Free: 1-888-515-2726

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John Deere 12-Volt Conversion Kits*

 * For Models 3010, 3020, 4010, 4020 (or call us also about any of our many other John Deere options for alternator and starter solutions)

Not looking for a John Deere 12-Volt Conversion Kit? Please check out our full catalogue of John Deere alternators and starters; you can search by your John Deere model OR John Deere Part Number.

John Deere Conversion Kit

Want to add lights to your John Deere 3010, 3020, 4010, 4020?

This kit converts your John Deere tractor to 12V, extends battery life, provides better cranking, and allows for 12V accessories like lights for night-time farming.

This kit consists of:

  • a remanufactured alternator with pulley,
  • mounting hardware for proper alignment (already mounted on alternator above), 
  • a new 4.0 KW, high torque 12V Letrika (formerly Iskra) starter 
  • and detailed instructions.
  • Letrika Logo

    Call us today at 1-888-515-2726 or email us at info@alternatorstarter.com for an up-to-date quote if you would like to upgrade your John Deere tractor from 24V to 12V today. We offer high-quality parts only and same-day shipping.

    Also, if you need an alternator or a starter for ANY John Deere product, make sure to use our Catalogue at catalogue.alternatorstarter.com.

  •  John Deere 4010


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