Order Note: We offer combined shipping on multiple items purchased from us. If you would like combined shipping you must put all items in your cart and click "request total" from the cart screen.

Important Fitment Note: This Honda Wiring Harness, Stop Switch, Wiring Harness is used on the NEW STYLE GX340 & GX370 engine ONLY. This WILL NOT work with the old style GX340 & GX390 small engines. If you are unsure if this will fit your engine please contact us with your model and serial number before ordering.


Honda OEM Ignition Coil, Stop Switch, Wiring Harness Kit. This Ignition Coil, Stop Switch, Wiring Harness Kit has the following specification(s):

  • Honda 30500-Z5T-003 Ignition Coil
    (If you only need the ignition coil, click here)
  • Honda 35120-Z5T-003 Stop Switch
    (If you only need the stop switch, click here)
  • Honda 32110-Z5K-000 Wiring Harness
    (If you need the wiring harness only, click here)
  • Fits Honda GX340/GX390 NEW STYLE engines only.
  • Factory genuine OEM Honda parts