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Doosan 300516-00055B is the 24 volt, 7 kW gear reduction starter motor with a three bolt flange, 11 tooth pinion, black field frame and a top mounted solenoid with relay. It is used on Doosan 300LC-7A and 290LC-V excavators. This aftermarket version has the same mounting and electrical connector as the original, so it plugs in and bolts on where the old one came off.
Sold as one unit. Check the number on your old part, or in the parts manual for your machine, before ordering.
| Part Type | Starter Motor |
| Replaces | Doosan 300516-00055B |
| Machine | Doosan 300LC-7A, 250LC-V, 290LC-V, 290LL excavators |
| Voltage / power | 24 V, 7 kW |
| Type | Gear reduction starter |
| Fits | Doosan Solar 300LC-7A, 250LC-V, 290LC-V and 290LL excavators |
| Condition | New, aftermarket |
| Stat. HS-Code | 851140 |
| Country of Manufacture | China |
Doosan machines
Check the part number on your old unit before ordering.
| Doosan Part No.(SPM Part No.) | Fits |
|---|---|
| 300516-00055B(SPM-HEP-4736) | Doosan Solar 300LC-7A, 250LC-V, 290LC-V and 290LL excavators |
What it does
The solenoid throws the pinion into the flywheel ring gear and the motor turns the engine over until it fires.
Where it is used
Made for the Doosan Solar 300LC-7A, 250LC-V, 290LC-V and 290LL excavators. The full list is in the tables above.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| Kudu Parts | USD 309.00 | 3 Nov 2026 |
| FridayParts | USD 346.49 | 31 Oct 2026 |
| Fab Heavy Parts | USD 348.32 | 3 Nov 2026 |
| SINOCMP | USD 369.00 | 31 Oct 2026 |
| eBay, aftermarket seller | USD 381.77 | 31 Oct 2026 |
| YEM Parts | USD 416.99 | 3 Nov 2026 |
| Buy Machinery Parts | USD 516.70 | 3 Nov 2026 |
| Spare Part Mart | USD 282.04 | Today |
Our price of USD 282.04 is 9% to 45% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
Yes, it was made for the Doosan Solar 300LC-7A, and 3 more listed under compatible equipment. Check the old starter motor is marked 300516-00055B or one of the cross references, because makers change parts between serial ranges.
On the Doosan Solar 300LC-7A, typically 5,000 to 10,000 hours, depending on how often the machine is started and how well the batteries are kept.
Clicking with a good battery, slow cranking, grinding as it engages, or the starter staying engaged after the engine fires.
Battery voltage under load, the earth strap and the main cable. A weak supply makes a good starter motor look faulty and will burn out the new one.
Disconnect the battery earth before removing the old unit. The main cable is live at full battery current.
No. It is an aftermarket starter motor made to replace the Doosan 300516-00055B. It is not made by the original manufacturer; the number only shows what it replaces.
Live rates for the quantity selected, delivered to your door. Confirmed at checkout.
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