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Cummins 3352839 is the 24 V reduction starter: a silver nose housing and end frame with a black field frame, a top mounted solenoid with a start relay, and a red capped battery terminal. It is used on Cummins 6CT8.3 engines. 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.
The same part is also sold as Cummins 5367768 and Cummins 3102767.
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 | Cummins 3102767 |
| Voltage | 24 V |
| Engine | Cummins 6CT8.3 / ISC 8.3 |
| Cross references | Cummins 5367768, Cummins 3352839 |
| Fits | Cummins 6CT8.3 and ISC 8.3 L engines |
| Condition | New, aftermarket |
| Stat. HS-Code | 851140 |
| Country of Manufacture | China |
Cummins machines
Check the part number on your old unit before ordering.
| Cummins Part No.(SPM Part No.) | Fits |
|---|---|
| 3102767(SPM-HEP-4589) | Cummins 6CT8.3 and ISC 8.3 L engines |
| 5367768(SPM-HEP-4589) | Cummins 6CT8.3 and ISC 8.3 L engines |
| 3352839(SPM-HEP-4589) | Cummins 6CT8.3 and ISC 8.3 L engines |
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 Cummins 6CT8.3 and ISC 8.3 L engines. 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 |
|---|---|---|
| eBay (3 aftermarket sellers) | USD 319.57 to 507.41 | 31 Oct 2026 |
| FridayParts | USD 341.88 | 31 Oct 2026 |
| SINOCMP | USD 429.00 | 31 Oct 2026 |
| Spare Part Mart | USD 261.09 | Today |
Our price of USD 261.09 is 18% to 49% 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 Cummins 6CT8.3, and 1 more listed under compatible equipment. Check the old starter motor is marked 3352839 or one of the cross references, because makers change parts between serial ranges.
On the Cummins 6CT8.3, 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 Cummins 3352839. 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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