This helps find the right parts for your equipment. When a potential match is found you will see: ✓ Potential Match
⚠ Please double-check fitment before ordering.
Replacement electrical parts for John Deere tractors, including alternators, starters, switches, sensors, and wiring harness components across utility, row-crop, and compact models. Coverage spans classic and modern series for reliable charging, starting, and instrument operation.
What electrical parts does Broken Tractor carry for John Deere tractors?
We carry alternators, starters, ignition switches, sensors, sending units, and wiring harness components for John Deere tractors. Coverage spans utility, row-crop, compact, and classic series for charging, starting, and control circuit repairs. Both new aftermarket and tested used options are available depending on the part.
Are John Deere tractor electrical parts 12 volt?
Yes, the John Deere tractor electrical parts we carry are for 12V systems with model-specific amperage ratings. Alternator and starter output can vary by model and serial range, so confirm the amperage your machine needs before ordering.
How do I know which alternator or starter fits my John Deere tractor?
Fitment on John Deere tractors often depends on the model and serial number, since Deere used different amperage ratings and configurations across serial ranges. The best way to confirm is to match the part number on your existing unit or verify the fitment with our parts team. You can reach the team at (800) 909-7060.
Do you have electrical parts for older John Deere models like the 4020 or 3020?
Yes, our John Deere electrical coverage includes classic models such as the 2010, 2020, 3020, and 4010, along with row-crop models like the 4020, 4230, 4430, and 4440. It also extends to newer utility and compact series. Match the part number or confirm fitment with our parts team to be sure you get the correct component.
Can I replace just the ignition switch or sending unit instead of the whole harness?
Yes, Broken Tractor offers individual electrical components such as ignition switches and sending units, so you can replace only the failed part rather than a full wiring harness. Which part you need depends on the symptom and the circuit involved. Confirm the correct part number for your model before ordering.