John Deere Ignition Module - AM128878

Part Number: AM128878
4 Review(s)
John Deere Ignition Module - AM128878
John Deere Ignition Module - AM128878
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Your Price: $271.52
John Deere Ignition Module - AM128878
Usually available
Brand John Deere


John Deere Ignition Module

Fits models:
  • 425 after serial number 070,001
  • 445 after serial number 070,001
  • 455 after serial number 070,001

Replaces AM124835


  • California use info:

    ⚠ Warning: Cancer and Reproductive Harm -

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Customer Reviews

My JD 445 lawn tractor died unexpectedly a couple of months ago. Googled up a manual for the beast and found some tech sheets for the electrical diagrams. Everything I checked pointed to the ignition module. Ordered the module based on model number and serial number from It arrived in about a week. It was an exact replacement for the 15-year-old piece in the tractor, so it was easy to take the old one out and get the new one back in exactly the same way. The old key even worked in the new switch! Got it all wired up and screwed into place, hooked the battery up, turned the switch on and I now have dashboard lights! Cranked it for a couple of seconds and the engine caught fire. Life is good again. :-) Thanks for the excellent replacement part.
Did you find this helpful?  4 of 5 Found Helpful
Reviewed by:  from Broken Arrow. on 10/5/2015
The product was the right piece and fairly easy to install. Came with directions as well.
Did you find this helpful?  2 of 2 Found Helpful
Reviewed by:  from Olds. on 7/22/2018
Home Use
Worked great. Had a bad PTO relay on original part. Was a direct replacement.
Did you find this helpful?  1 of 1 Found Helpful
Reviewed by:  from Perry. on 8/23/2020
Exact replacement, no keys included
400 series key must be the same. The only key I have worked this module.
Did you find this helpful? 
Reviewed by:  from Iowa, USA. on 6/19/2021

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