OM366 Turbocharger OEM 3520900280 3520900380 Turbo for Mercedes-Benz 5.96L Inline-6 Diesel Engine
OM366 Turbocharger OEM 3520900280 3520900380 Turbo for Mercedes-Benz 5.96L Inline-6 Diesel Engine
Mercedes-Benz OM366T / OM366LA Turbocharger – OE 3520900180 / A3520900180
This is a new direct-fit turbocharger for the Mercedes-Benz OM366T and OM366LA 5.958L inline-six turbo-diesel engines. Manufactured to original KKK (BorgWarner) specifications and matching OE number 3520900180 / A3520900180, this turbo is designed to restore factory boost levels, improve fuel efficiency, and extend engine life for Mercedes medium-duty trucks and Unimog vehicles.
Key Specifications
| Engine | Mercedes OM366T (Turbo), OM366LA (Turbo-Intercooled) |
| OE / OEM No. | 3520900180 / A3520900180 (Primary) |
| Cross Reference | 3520900280, 3520900380, 3520900480 |
| Turbo Brand | KKK / BorgWarner (Original specification) |
| Turbo Model | K27 / K28 series (Wastegated) |
| Cooling Type | Oil-cooled / Water-cooled (verify by photo) |
| Condition | New turbocharger assembly (includes actuator if applicable) |
| Application | MB NG, LK/LN2, Unimog U1550, MK series with OM366T/LA engine |
Why Choose This Turbocharger?
- OEM-Exact Fit: Precision-machined housings and internals ensure perfect bolt-on installation without modifications.
- Restored Performance: Replaces worn turbos that cause power loss, black smoke, and excessive oil consumption.
- Durable Construction: High-temperature alloy turbine wheel and aluminum compressor wheel withstand extreme exhaust temperatures.
- Balanced & Tested: Each turbo is dynamically balanced and leak-tested prior to shipment.
- Complete Assembly: Includes turbine housing, compressor cover, center cartridge, and wastegate actuator (if equipped).
Fitment Verification (Important)
OM366 engines came in naturally aspirated (OM366N), turbo (OM366T), and turbo-intercooled (OM366LA) versions. This turbocharger fits ONLY turbocharged variants. Please confirm your engine tag reads OM366T or OM366LA before ordering. If you are unsure, send us a photo of your existing turbo nameplate or engine data plate.
Installation Tips:
- Always replace engine oil and oil filter before installing the new turbo.
- Prime the turbo oil feed line by pouring clean oil into the inlet before first start.
- Check and clean all intake/exhaust piping for carbon buildup or foreign debris.
- Allow the engine to idle for 3–5 minutes before applying load to circulate oil.
Packaging
Individual cardboard box with foam inserts + outer export carton. Gross weight approx. 12–15 kg.
MOQ: 1 pc | Warranty: 12 months / 50,000 km | Lead time: 7–25 days

No | Item | Data |
1 | product name | Auto engine parts turbocharger KKK K27 / K28 |
2 | Engine NO. | OM366T, OM366LA |
3 | OEM NO. | 3520900180 / A3520900180 (Primary), 3520900280, 3520900380 (Cross references) |
4 | Application | MB NG 1841/2624, LK/LN2 1117/1317/1324/1524, Unimog U1550, MK 1722 Please double-check your old turbo part number before ordering. |
5 | Function | Compresses intake air to increase engine power and efficiency, for auto parts repair or replacement |
6 | G.W | 15KG |
7 | Sample policy | Sample order is welcome befor mass order to check product quality and fitness |
8 | Package | safety package suitable for international delivery |





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