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Home > John Deere Lawn and Garden Tractor Parts > Model 318
John Deere Starting Improvement Relay Kit - AM107421
John Deere Starting Improvement Relay Kit - AM107421
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John Deere Starting Improvement Relay Kit - AM107421

Item: AM107421 review (34 reviews) Write a Review
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Brand:  John Deere
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John Deere kit to improve starting on some John Deere machines. Kit includes harness, relay, hardware and instructions.This kit is designed to eliminate voltage drop between battery and starter solenoid.
Click here to read John Deere service bulletin
Fits models:
  • 316 Onan
  • 318
  • 420
  • F910
  • F930

All Kawasaki 100 series tractors EXCEPT 9 hp 130 tractors including:

  • 160
  • 165
  • 170
  • 175
  • 180
  • 185

All Kawasaki rear engine riders EXCEPT 9 hp engine models including

  • GX75
  • GX95
  • RX75
  • RX95
  • SX75
  • SX95
  • SRX75
  • SRX95

To view the installation instructions click here.

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Customer Reviews
Perfect fix for my JD
Took 5 minutes to install and was the repair needed to fix the starting problem with my JD 180. 1987 model 180 past 6 years would click click click when turning ignition. Was progressively getting worse. Did a little research and came upon this relay kit as a possible solution. It was. Turns over first turn of the key every time now.
Reviewed by: Wes Arnett from Madison, WI on 10/27/2014
Right Tool to get the job done
I purchased this part with high hopes and those hopes were fulfilled. The start assist works just as I expected and my JD starts every time.
Reviewed by: Paul from Phoenix AZ on 5/26/2014
Works great!
I have a friend who sometimes couldn't get her STX38 to turn over. This kit solved the issue and it starts right up every time now!
Reviewed by: Josh M from Coventry on 5/11/2014
Relay kit for my JD 180
Easy to install, huge improvement in starter performance Wish I had installed one of these years ago! Green Parts was easy to deal with and sent me all the correct parts for my JD180 - Thanks!
Reviewed by: R. Winkles from Michigan on 1/27/2014
I always had starting problems until I installed this kit. It fires right away now.
Reviewed by: Michael from Lake Ozark, MO on 1/10/2014
too grumpy
Fantastic, totally fixed my starting problem on the 180.
Reviewed by: Percy W. Logan from Clifton, VA on 5/25/2013
I echo these reviews. I was about ready to buy a new mower, but this kit solved a years old proble. Price very reasonable, and shipping very fast. Thanks GreenPartStore!!
Reviewed by: Bill from Gorham, ME on 5/14/2013
JD starting improvement relay kit
The kit arrived promptly and it is already installed on my tractor. What a relief to turn the key and have the engine immediately turn over and start. No starting problems now. Thank you so much for making this kit available; and at a reasonable price. JIM
Reviewed by: Jim Heier from Nebraska on 3/20/2013
No more starting problems!
This was easy to install on my ORANGE tractor (Kubota B2400) and wow what a difference, very noticeable especially if left outside in the cold for awhile. This is a five star part for sure and Green Parts Store was rock solid too. Easy order and at my door in no time!
Reviewed by: Randy from Michigan on 1/9/2013
Relay Kit
I should have bought one of these, years ago. Starter engages, first time everytime.
Reviewed by: Edward Rasdale from Michigan on 12/11/2012
Great fix for an old mower!
I wish I would have found this years ago!!! It instantly solved the starting problem on our John Deere 160 lawn mower.
Reviewed by: Keith from Sunman, IN on 10/28/2012
Starter Improvement Relay Kit
I have been borrowing my neighbor's JD riding mower for a few years. He has had a problem with the starter for as long as I can remember. He was positive it needed a new starter but was hesitant on where to take it. So I got my husband, the mechanic, involved. Turns out a friend of ours had a JD repair business and told us what the problem was. I ordered the part from you; my husband installed it; it starts every time and my neighbor is thrilled!! Thank you so much for your help. If he needs anything else, I will be sure to contact your company again. Maintenance on his mower is the least I can do for him allowing me to use it.
Reviewed by: Sharon L Insley from Baltimore, MD on 10/13/2012

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