Series 2000 and Series 4000 are two different engine families, not two ratings of the same design. The 2000 series is the compact high-speed family — smaller cylinder counts, widely used in propulsion, gensets, and lighter industrial and rail duty. The 4000 series sits above it in output and physical size, with configurations built for heavier commercial marine, locomotive, and continuous industrial duty.
The parts question is more useful than the specification question, because it is where money gets lost: a surprising number of buyers assume that because two engines are both MTU, the same filter, sensor, or seal must fit. Occasionally a position does overlap — and that overlap is exactly why the number still has to be checked. What never works is inferring fitment from the series name.
How to keep a 2000 and a 4000 order separate
- Never quote one order across both families without the engine serial number on every line
- Check any apparently shared position at number level rather than assuming it is common
- Watch the supersession chains — a family-wide number change can look like an overlap
- Where an engine is described as "2000/4000" in your own records, treat that as a prompt, not a fitment
- Confirm application separately: propulsion, genset, and rail builds differ within a family too
- Keep the two families on separate quotation lines even when the parts look identical
Catalogue entries that appear under both families in our own records are grouped at number level, not inferred from the family. If your documentation shows a position cited for both a 2000 and a 4000 engine, send both numbers and the serial ranges and we will confirm what actually applies to each.
Parts We Supply for This Series
The groups below are generated from catalog records listed under this engine series (332 part numbers). Open any number for fitment, weight, HS code, and interchange details, or browse the full MTU 2000 Series Parts Catalog.
Gaskets and seals (88)
| 0000160119 | Sealing Ring |
| 0000180680 | Gasket |
| 0219976547 | Crankshaft Front Seal Ring |
| 0219976647 | Crankshaft Rear Seal Ring |
| 0249975047 | Shaft Seal Ring |
| 0299976748 | O-Ring |
| 05122439 | Seal |
| 05132155 | Sealing Ring |
| 23524783 | Seal |
| 23540304/A1 | Gasket Kit |
| 4421870180 | Gasket |
| 4571410080 | Gasket |
Engine components (48)
| 0000530926 | Valve Keeper Wedge |
| 0001424957 | Exhaust Manifold Ring |
| 0001427157 | Lamellar Ring |
| 0001800015 | Pressure Reducing Valve Assembly |
| 000908030002 | Thread Plug |
| 0049976736 | Drain Valve |
| 0090374419 | Keystone Compression Ring |
| 50773 | Silicone Rubber (Loctite) |
| 5260160153 | Sleeve |
| 5260200305 | Housing and Rotating Assembly |
| 5272010153 | Spacer Sleeve |
| 5314770056 | Plug |
Sensors and electrical (34)
| 0005355103 | Level Monitor |
| 0005355303 | Level Monitor |
| 0005356430 | Temperature Sensor |
| 0005357333 | Speed Sensor |
| 0005357633 | Speed Sensor |
| 0005357833 | Speed Sensor |
| 0005357933 | Speed Sensor |
| 0005358033 | Speed Sensor |
| 0005358133 | Speed Sensor |
| 0005358233 | Speed Sensor |
| 0005358333 | Speed Sensor |
| 0035351731 | Pressure Sensor |
Drive components (31)
| 000125013012 | Washer |
| 000912010014 | Hex Socket Head Bolt |
| 0009953502 | Clamp |
| 05144768 | Clamp |
| 11506101 | Nut |
| 5090200071 | Magnetic Nut |
| 5090250141 | Retaining Ring |
| 5110251976 | Washer |
| 5240380471 | Conrod Bolt |
| 5240550550 | Bushing |
| 5249900605 | Hex Cap Bolt |
| 5249900705 | Hex Flange Bolt |
Pistons and liners (23)
| 0090375019 | Taper Face Compression Ring |
| 0120373618 | Oil Control Ring |
| 234110196000 | Piston Compression Ring |
| 5090850060 | Piston Ring |
| 5110850960 | Piston Ring |
| 5240114210 | Cylinder Liner Size 0 |
| 5240382550 | Conrod Bushing Size 0 |
| 5240384110 | Conrod Bearing Upper Half |
| 5240384210 | Conrod Bearing Size 0-1 |
| 5320110110 | Cylinder Liner |
| 5410370220 | Piston Pin |
| 5410380250 | Conrod Bushing |
Filters (22)
| 0000943268 | Air Filter Restriction Indicator |
| 0020921901 | Spin-On Fuel Filter |
| 0020922801 | Spin-On Fuel Filter |
| 0031845201 | Spin-On Oil Filter |
| 0031845301 | Spin-On Oil Filter |
| 23540455 | Centrifugal Oil Filter Assembly |
| 5241840501 | Lube Oil Full-Flow Filter |
| 5320900001 | Air Filter |
| 5360900001 | Air Filter |
| X51199100026 | Strainer |
| X57508300091 | Spin-On Fuel Filter |
| X59320200040 | Filter Cartridge for Coolant |
Valve train (21)
| 3669900240 | Valve Spring Washer |
| 4570530001 | Inlet Valve |
| 5240530120 | Outer Valve Spring |
| 5240530122 | Inner Valve Spring |
| 5240530805 | Exhaust Valve |
| 5240530830 | Valve Guide |
| 5240530905 | Exhaust Valve |
| 5240531101 | Inlet Valve |
| 5320530020 | Valve Spring |
| 5410500227 | Exhaust Valve |
| 5410501336 | Rocker Shaft Support |
| 5410530225 | Valve Spring Retainer |
Bearings (19)
| 5090200512 | Thrust Bearing |
| 5090250350 | Bearing Bushing |
| 5240332608 | Thrust Bearing, Size 0-1, UP/RIL |
| 5240332630 | Crankshaft Bearing Aux PTO End |
| 5240332730 | Crankshaft Bearing Driving End |
| 5240333407 | Thrust Bearing, Size 0-1, LO/SPT |
| 5240336602 | Crankshaft Bearing Lower Half |
| 5240336702 | Crankshaft Bearing Size 0-1 |
| 5240510110 | Camshaft Bearing, Standard |
| 5410330605 | Crankshaft Bearing Size 0-0 |
| 5410337101 | Crankshaft Bearing Size 0-0 |
| 5500511710 | Camshaft Bearing |
Fuel system (16)
| 5240160153 | Injector Sleeve |
| 5320700246 | Relief Valve |
| 5360702032 | Fuel Line |
| 5360900250 | Fuel Delivery Pump |
| EX52407500064 | Injector |
| X00005152 | Injector |
| X00009196 | Damper Ring for Injector |
| X51610100001 | Nozzle |
| X52408300025 | Fuel Hand Pump |
| X52808100004 | Fuel Delivery Pump |
| X53507500012 | Injector |
| X53608200005 | Low-Pressure Fuel Pump |
Turbocharging (8)
| 5090251301 | Compressor Wheel |
| 5090850160 | Piston Ring for Turbocharger |
| 5110804420 | Turbine Wheel |
| 5310900337 | Charge Air Line |
| 5361420025 | Exhaust Diffuser |
| X00038531 | Turbocharger Oil Supply Hose |
| E0070960399 | Exhaust Turbocharger |
| E0070960299 | Exhaust Turbocharger |
Cooling system (7)
| 5240980281 | Hose |
| X00017269 | Impeller |
| X00041552 | Cooler Plate |
| X53620200052/87 | Coolant Pump |
| XP59420700027 | Impeller |
| X54920200040/87 | High-Temperature Water Pump |
| EX53620700005/87 | Seawater Pump |
Lubrication (5)
| 5321800001 | Oil Pump |
| 5321800143 | Oil Spray Nozzle |
| 5361800515 | Oil Pressure Relief Valve |
| 5410100163 | Oil Separator |
| X00005363 | Oil Separator |
Air and intake (4)
| 0180945802 | Air Cleaner with Adapter Fitting |
| X52212500032 | Rubber Sleeve Charge-Air Line |
| X59499100014 | Hose for Air Compressor |
| X59499100015 | Hose for Air Compressor |
Starting and charging (2)
| X52421300004 | Alternator |
| X59417200010 | Electric Starter |
Tools and supplies (1)
| 40041 | Molykote G-N Plus Paste |
Cylinder heads (1)
| 5320100130 | Cylinder Head Cover Lower Part |
Control components (1)
| X00E50201022 | Governor |
Repair kits (1)
| XP52718300065 | Circlip Kit |
Related Resources
- MTU 4000 Series Parts Catalog
- MTU 16V 2000 Engine Parts Guide
- Parts Lists by Engine Model
- Part Number Cross Reference
- Catalog PDF downloads — this series' part-number index as a printable PDF
- Reading a parts diagram — from position number to part number
- Authorised dealer or independent supplier?
- All parts guides
FAQ
Do any parts fit both a 2000 and a 4000 engine?
A small number of positions do appear in both families, which is precisely why an assumption from the series name is unsafe in both directions. The number level is the only reliable reference, and the serial number is what confirms it for your engine.
Which series is more expensive to maintain per hour?
That depends on the engine, duty, and labour rates rather than the family. We do not publish running-cost comparisons, because any figure we gave would be an average across engines we have not seen.
My engine is badged 2000 but the parts list says 4000. Which is right?
Send the complete number from the engine data plate and the serial number. Badges on vessels, gensets, and switchboards are frequently wrong or carry a previous engine designation, and the data plate is the only reliable reference.
Can you quote a mixed order for engines from both families?
Yes, and it is common for fleets that run both. We simply keep the families on separate lines with the serial range shown per line, so availability and variant confirmation stay clear.
Send your engine details: Model, serial number, and the positions you need — we verify fitment and supersessions, then quote with availability per line.