The MTU 20V4000 engine line groups 3 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| W1003 | Replace air filter (→Page 6 – 36) | air_filter |
| F6557991 | Puller bracket | bracket |
| W1011 | Perform endoscopic examination (→Page 6 – 04) | combustion_chambers |
| W1063 | Replace conrod bearings (→Workshop Manual) | conrod_bearing |
| W1055 | Overhaul cylinder heads, visually inspect piston crowns and running pattern of cylinder liners (→Workshop Manual) | cylinder_head |
| W1038 | Overhaul exhaust turbocharger (→Workshop Manual) | exhaust_turbocharger |
| W3000 | Perform complete engine disassembly. Inspect engine components acc. to assembly instructions; repair or replace as necessary (→Workshop Manual). Replace all elastomeric parts and seals. Replace piston rings (→Workshop Manual). Replace conrod bearings (→Workshop Manual). Replace crankshaft bearings (→Workshop Manual). Replace cylinder liners (→Workshop Manual). Replace auxiliary PTO antifriction bearing (→Workshop Manual). Replace HP fuel pump (→Workshop Manual). Overhaul battery-charging generator (→Workshop Manual) | extended_component_maintenance |
| W1051 | Overhaul fuel delivery pump (→Workshop Manual) | fuel_delivery_pump |
| W1001 | Replace fuel filter or fuel filter element (→Page 6 – 26) | fuel_filter |
| W1005 | Replace fuel injectors (→Page 6 – 18) | fuel_injector |
| F30378403 | Injector installation jig | jig |
| F6555197 | Lever for force-in lever | lever |
| F6557952 | Force-in lever for injector installation | lever |
| W1008 | Replace engine oil filter when changing engine oil when the time limit (years) has been reached, at the latest (→Page 6 – 43) | oil_filter |
| W1009 | Centrifugal oil filter: Check layer thickness of the oil residue, clean out and replace filter sleeve (→Page 6 – 44) | oil_filter |
| W2007 | Check centrifugal oil filter for wear (if fitted) (→Workshop Manual) | oil_filter |
| W2062 | Crankcase breather: Replace oil separator (→Workshop Manual) | oil_separator |
| 0135315483 | Connector pliers | other_service |
| A001061/ | MTU Fluids and Lubricants Specification | other_service |
| F6555766 | Barring tool | other_service |
| F30377769 | Puller for injector removal | puller |
| W2010 | Replace sealing material of all disassembled components. | sealing_material |
| W2004 | Replace fuel HP sensor (→Workshop Manual) | sensor |
| M015565/01E | © MTU TP-6248 | starter |
| W2009 | Overhaul starter (→Workshop Manual) and (→Workshop Manual) | starter |
| W2005 | Check engine coolant thermostat and replace thermal actuator (→Workshop Manual) | thermostat |
| W2006 | Check charge air coolant thermostat and replace thermal actuator (→Workshop Manual) | thermostat |
| W1002 | Check valve clearance (→Page 6 – 10) | valve_gear |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.