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Aftermarket replacement starter motor for Genie GS-5390 GS-4390 GS-3390 Z-135-70. It replaces Genie part number 139709: the starter motor listed by Genie as part number 139709.
Fits Genie GS-5390 GS-4390 GS-3390 Z-135-70. It is built to the same mounting, wiring and connector layout as the part it replaces, so it fits in place of the old one without changes to the machine.
Check the part number on the label of the old unit, or in the parts manual for your machine's serial number range, before ordering. Sold as a single unit, shipped worldwide.
| Part Type | Starter Motor |
| Replaces | Genie 139709 |
| Fits | Genie GS-5390 GS-4390 GS-3390 Z-135-70 |
| Condition | New, aftermarket |
| Stat. HS-Code | 851140 |
Genie machines and engines
Check the part number on your old unit before ordering.
| Pack | Genie Part No.(SPM Part No.) | Fits |
|---|---|---|
| 1 Piece | 139709(SPM-HEP-2342) | Genie GS-5390 GS-4390 GS-3390 Z-135-70 |
Slow or no cranking
With good batteries and cables, a starter that turns slowly or only clicks is worn.
Grinding on engagement
Worn pinion or flywheel teeth grind on start. Check the ring gear when fitting a new starter.
Intermittent starting
Worn brushes and solenoid contacts make starting hit and miss.
Fleet spares
A spare starter keeps a machine working while the old one is rebuilt or scrapped.
What other sellers charge for this part (checked 4 Oct 2026):
Our price of USD 109.03 is 20% to 43% less than these sellers.
Found this part cheaper elsewhere? Send us the listing and we will beat it under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
No. It is an aftermarket part made to fit in place of Genie 139709. It is not made by or affiliated with Genie; the Genie part number is used only to show what it replaces.
It fits Genie GS-5390 GS-4390 GS-3390 Z-135-70. Machines change parts between serial number ranges, so check the number on your old part or in your parts manual.
It is made to the same mounting and connections as the original part. Fit new gaskets and seals where they are used, and check for leaks and correct operation before putting the machine back to work.
Yes, we ship worldwide. Shipping is calculated at checkout, and every order is covered by our 30 day money back guarantee and price beat guarantee.
