The MTU 16V4000G21E is a 65 L 16-cylinder turbo, air/water dc engine rated at 1500 rpm. It powers generator sets from MTU, including the 16V4000G21. It holds 230 L (60.8 gal) of oil.
Service parts for the 16V4000G21E
The cheapest captured merchant offer per filter — see the full cross-reference below for every OEM/aftermarket option.
Prices captured from merchant listings; some links are affiliate links. Verify against your serial number before ordering.
Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|
| Air filter | Dry type air filter | | — | | |
| Fuel filter | | | 4202934 | | Amazon eBay $71.49 NAPA $65.16 |
| Oil filter | Oil capacity carter: 230L [60.8gal] | | — | | |
| Belt | | | — | | |
| Coolant filter | | | — | | |
| Oil | Total oil capacity w/filters: 290L [76.6gal] | 290.0 L | — | | |
| Spark plug | | | — | | |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
Parts cataloged across the MTU 16V4000 family
46| Part # | Description | Category |
|---|
| 274623 | Cleaner, Air | Air filter |
| 274821 | Air Cleaner | Air filter |
| 347667 | Air Cleaner Assembly | Air filter |
| 347810 | Air Cleaner | Air filter |
| WM00076 | Air filter element | Air filter |
| 12V4000Gx3-07 | Battery | Battery |
| 12V4000Gx3-06 | Belt | Belt |
| 347423 | Belt, Poly V | Belt |
| 347429 | V-Belt | Belt |
| 12V4000Gx3-02 | Engine oil filter | Filter |
| 12V4000Gx3-03 | Fuel filter | Filter |
| 12V4000Gx3-04 | Air filter | Filter |
| 12V4000Gx3-01 | Engine oil | Fluid |
| 12V4000Gx3-05 | Coolant | Fluid |
| WM00086 | Easy-change fuel filter | Fuel filter |
| 347442 | Gasket, Inlet | Gasket |
| 5272030080 | GASKET | Gasket |
| X00021730 | GASKET | Gasket |
| 347437 | Tube, Upper Radiator | Hose |
| 347440 | Tube, Lower Radiator | Hose |
| X-507-6 | Lower Radiator Hose | Hose |
| X-6006-4 | Upper Radiator Hose | Hose |
| 279260 | Filter, oil | Oil filter |
| WM00067 | Oil filter element | Oil filter |
| 243273 | Fuse, 3 amp | Service part / kit |
| 283645 | Fuse, 15 Amp | Service part / kit |
| 291207 | Fuse, 1.5 amp | Service part / kit |
| 291740 | Rectifier or Coil | Service part / kit |
| 328725 | Voltage Regulator | Service part / kit |
| A-347395-1 | Engine Assembly, 2000 kW | Service part / kit |
| A-347485 | Radiator Assembly | Service part / kit |
| 007603014102 | COPPER SEALING RING | Seal |
| 007603030101 | COPPER SEALING RING | Seal |
| 05132155 | SEAL | Seal |
| 52420300037 | THERMAL ACTUATOR DICHTRING AUS FKM | Seal |
| 700429070000 | O-RING | Seal |
| 700429072000 | O-RING | Seal |
| 700429076000 | O-RING | Seal |
| 735252070000 | O-RING | Seal |
| 735252085001 | O-RING | Seal |
| 735252090000 | O-RING | Seal |
| 735252100000 | O-RING | Seal |
| 347646 | Sensor, Liquid Level | Sensor |
| 12V4000Gx3-08 | Spark plug | Spark plug |
| M128R | Starter | Starter |
| 59420300059 | THERMAL ACTUATOR | Thermostat |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Common questions
What is the oil capacity of the MTU 16V4000G21E?
The MTU 16V4000G21E engine has an oil capacity of 230.0 liters.
What is the displacement of the MTU 16V4000G21E?
The MTU 16V4000G21E has a displacement of 65.0 liters with 16 cylinders.
Which generators use the MTU 16V4000G21E engine?
The MTU 16V4000G21E powers 1 generator set(s), including MTU 16V4000G21.
What fuel filter does the MTU 16V4000G21E use?
The MTU 16V4000G21E uses fuel filter part numbers Mtu 4202934, Donaldson P552006, Wix 33645.