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🚜 Mitsubishi K4D — industrial / tractor base engine
This is the industrial/tractor block behind one or more marine diesels. Buy internal service parts by the Mitsubishi number through agricultural / industrial channels — usually far cheaper than the marinizer's part number.
Marine engines using the Mitsubishi K4D
3 marine / generator models in this reference are marinized from this industrial block — they share the same cheaper tractor/industrial part numbers below.
Westerbeke
🚜 289 Mitsubishi K4D parts — order through tractor / industrial channels
Internal service parts of the Mitsubishi K4D block. The same physical parts sell far cheaper through agricultural / industrial channels than under the marine marque. Part numbers are factual reference data; the original catalogue is not redistributed.
Find Mitsubishi K4D parts
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| System | Mitsubishi part no | Description |
|---|---|---|
| Cooling | MM436057 |
BELT, fan (HM : L=925) |
| Cooling | MD007528 |
BELT, fan (HM : L=932) |
| Cooling | MD087992 |
BELT, fan (HM : L=940) |
| Cooling | MM409305 |
BELT, fan (HM : L=950) |
| Cooling | MM409307 |
BELT, fan (HM-C : L=980) |
| Cooling | MF241267 |
BOLT, with washer (7T : 8X70) |
| Cooling | MF661011 |
CLAMP, hose (22) |
| Cooling | MM409330 |
HOSE ASSY, water |
| Cooling | MM433222 |
JOINT ASSY, water |
| Cooling | MM409304 |
NIPPLE |
| Cooling | MS661122 |
PLUG,TAPER |
| Cooling | MM409380 |
SWITCH, thermo(108) |
| Cooling | MM409381 |
SWITCH, thermo(111) |
| Cooling | K6516441 |
THERMOSTAT |
| Cooling | MD001370 |
THERMOSTAT |
| Cooling | MD003581 |
THERMOSTAT (71) |
| Cylinder Head, Valves & Manifolds | MD000551 |
GASKET |
| Cylinder Head, Valves & Manifolds | MM433998 |
GASKET KIT |
| Cylinder Head, Valves & Manifolds | MM408581 |
GASKET, MUFFLER |
| Cylinder Head, Valves & Manifolds | MD000312 |
GASKET, OIL DRAIN |
| Cylinder Head, Valves & Manifolds | MM409151 |
GASKET, cover |
| Cylinder Head, Valves & Manifolds | MM408448 |
GASKET, cylinder head |
| Cylinder Head, Valves & Manifolds | MM408577 |
GASKET, exhaust manifold |
| Cylinder Head, Valves & Manifolds | MM408226 |
GASKET, front plate |
| Cylinder Head, Valves & Manifolds | MM408235 |
GASKET, gear case (0.5t) |
| Cylinder Head, Valves & Manifolds | MM408234 |
GASKET, governor cover |
| Cylinder Head, Valves & Manifolds | MM409235 |
GASKET, housing |
| Cylinder Head, Valves & Manifolds | MM408566 |
GASKET, inlet pipe |
| Cylinder Head, Valves & Manifolds | MM408552 |
GASKET, intake manifold |
| Cylinder Head, Valves & Manifolds | K6515430 |
GASKET, nozzle holder |
| Cylinder Head, Valves & Manifolds | MM408291 |
GASKET, oil pan |
| Cylinder Head, Valves & Manifolds | MM407124 |
GASKET, oil pump body |
| Cylinder Head, Valves & Manifolds | MM401206 |
GASKET, oil pump cover |
| Cylinder Head, Valves & Manifolds | MM408205 |
GASKET, oil seal |
| Cylinder Head, Valves & Manifolds | MM407422 |
GASKET, water pump |
| Cylinder Head, Valves & Manifolds | MM409326 |
GASKET,WATER PUMP |
| Cylinder Head, Valves & Manifolds | MM404881 |
O-RING, ELEMENT |
| Cylinder Head, Valves & Manifolds | MM404878 |
O-RING, FILTER CUP |
| Cylinder Head, Valves & Manifolds | MM409869 |
O-RING,FILTER CUP |
| Cylinder Head, Valves & Manifolds | MM406228 |
SEAL, side |
| Cylinder Head, Valves & Manifolds | MD016490 |
SEAL, valve stem |
| Engine | MM407671 |
ALTERNATOR ASSY (12V-15A) : M |
| Engine | MD017645 |
ALTERNATOR ASSY (12V-35A) : M |
| Engine | MM435081 |
ALTERNATOR ASSY (12V-40A) : M |
| Engine | MM435752 |
ALTERNATOR ASSY (12V-40A) : M |
| Engine | MM409650 |
ALTERNATOR ASSY (12V-50A) : M |
| Engine | MD607636 |
ARMATURE SET |
| Engine | MM300816 |
BAG, tool |
| Engine | MM431351 |
BAG, tool |
| Engine | MM502264 |
BEARING |
| Engine | MM409606 |
BEARING SET, con rod 0.50US |
| Engine | MM435463 |
BEARING SET, con rod 0.50US |
| Engine | MM437984 |
BEARING SET, con rod 0.50US |
| Engine | MM408798 |
BEARING SET, con rod 0.75US |
| Engine | MM409607 |
BEARING SET, con rod 0.75US |
| Engine | MM435464 |
BEARING SET, con rod 0.75US |
| Engine | MM437985 |
BEARING SET, con rod 0.75US |
| Engine | MD602264 |
BEARING, front |
| Engine | MD607643 |
BEARING, front |
| Engine | MD611033 |
BEARING, front |
| Engine | MD602789 |
BEARING, rear |
| Engine | MD607638 |
BEARING, rear |
| Engine | MD611150 |
BEARING, rear |
| Engine | MD607635 |
BOLT SET |
| Engine | MD607963 |
BOLT SET |
| Engine | MF241282 |
BOLT, W/WASHER |
| Engine | MM409420 |
BOLT, starter |
| Engine | MM409427 |
BOLT,STARTER |
| Engine | MM502346 |
BRACKET ASSY, REAR |
| Engine | MM502441 |
BRACKET ASSY, center |
| Engine | MD607267 |
BRACKET ASSY, front |
| Engine | MM502354 |
BRACKET ASSY, front |
| Engine | MM502436 |
BRACKET ASSY, front |
| Engine | MM502452 |
BRACKET ASSY, front |
| Engine | MM502504 |
BRACKET ASSY, front |
| Engine | MD607268 |
BRACKET ASSY, rear |
| Engine | MM502351 |
BRACKET ASSY, rear |
| Engine | MM502525 |
BRACKET ASSY, rear |
| Engine | MD602783 |
BRUSH |
| Engine | MD611035 |
BRUSH |
| Engine | MM201106 |
BULB (12V 3.4W T-10) |
| Engine | MM510022 |
COVER ASSY |
| Engine | ME700125 |
COVER SET |
| Engine | MM408817 |
CRANKSHAFT |
| Engine | MM408896 |
CRANKSHAFT |
| Engine | MM434062 |
DIODE |
| Engine | MM300110 |
DRIVER, screw |
| Engine | MM300564 |
DRIVER, screw (+ & -) |
| Engine | MM510021 |
ELEMENT ASSY |
| Engine | MM408566 |
GASKET, inlet pipe |
| Engine | MM408552 |
GASKET, intake manifold |
| Engine | MM502443 |
GEAR |
| Engine | MM502442 |
GEAR SET |
| Engine | MM406570 |
GEAR, crankshaft |
| Engine | MM430859 |
GEAR, crankshaft |
| Engine | MD607420 |
HOLDER ASSY, BRUSH |
| Engine | MD602797 |
HOLDER ASSY, brush |
| Engine | ME700127 |
HOLDER ASSY, brush |
| Engine | MM502353 |
HOLDER ASSY, brush |
| Engine | JP0109940 |
KEY ASSY |
| Engine | 0520901100 |
L-JOINT |
| Engine | JP9117610 |
LAMP, glow (DH-124-41) |
| Engine | MM409512 |
LAMP, glow (DH-136V-39) |
| Engine | MM201102 |
LAMP, pilot (charge : red) |
| Engine | MM201122 |
LAMP, pilot (charge : red) |
| Engine | MM201103 |
LAMP, pilot (press : yellow) |
| Engine | MM201123 |
LAMP, pilot (press : yellow) |
| Engine | MM201104 |
LAMP, pilot (water temp : blue) |
| Engine | MM201124 |
LAMP, pilot (water temp : blue) |
| Engine | MD607633 |
LEVER ASSY |
| Engine | MM408542 |
MANIFOLD ASSY, intake |
| Engine | MM408572 |
MANIFOLD, exhaust |
| Engine | MM408548 |
MANIFOLD, intake |
| Engine | MD602826 |
MOLD |
| Engine | MF430126 |
NUT |
| Engine | MD607176 |
NUT SET |
| Engine | MM502340 |
NUT SET |
| Engine | MF430726 |
NUT, jam (4T : 10) |
| Engine | MM510024 |
PAN ASSY |
| Engine | MM413939 |
PANEL ASSY, instrument |
| Engine | MM413940 |
PANEL, instrument |
| Engine | MM502439 |
PINION SET |
| Engine | K9644171 |
PIPE |
| Engine | MM408567 |
PIPE ASSY, inlet |
| Engine | MM408563 |
PIPE, inlet |
| Engine | MM408565 |
PIPE, inlet |
| Engine | MM409763 |
PIPE, inlet |
| Engine | MF790801 |
PLIER (150) |
| Engine | MD607170 |
PULLEY ASSY |
| Engine | MM502355 |
PULLEY ASSY |
| Engine | MM502508 |
PULLEY SET |
| Engine | MM408813 |
PULLEY, crankshaft |
| Engine | MM408823 |
PULLEY, crankshaft |
| Engine | MM436278 |
PULLEY, crankshaft |
| Engine | MM436741 |
PULLEY, crankshaft |
| Engine | MM413501 |
PUMP ASSY, hydrauric |
| Engine | MM435487 |
PUMP ASSY, hydrauric |
| Engine | MM437667 |
PUMP ASSY, hydrauric |
| Engine | MM437668 |
PUMP ASSY, hydrauric |
| Engine | MD607269 |
RECTIFIER ASSY |
| Engine | MM502352 |
RECTIFIER ASSY |
| Engine | MM502507 |
RECTIFIER ASSY |
| Engine | MD001821 |
REGULATOR ASSY |
| Engine | MD611032 |
REGULATOR ASSY |
| Engine | MM502532 |
REGULATOR ASSY |
| Engine | MD607207 |
ROTOR ASSY |
| Engine | MM502298 |
ROTOR ASSY |
| Engine | MM502505 |
ROTOR ASSY |
| Engine | MD602938 |
SCREW SET |
| Engine | MD607212 |
SCREW SET |
| Engine | MD607631 |
SCREW SET |
| Engine | MD611034 |
SCREW SET |
| Engine | MM502349 |
SCREW SET |
| Engine | MF350769 |
SCREW, with washer (5X14) |
| Engine | MM306974 |
SEAL, dust |
| Engine | MM409897 |
SERVICE KIT, brush & bearing |
| Engine | MM409895 |
SERVICE KIT, starter bearing |
| Engine | MM502438 |
SHAFT ASSY, clutch set |
| Engine | MD607642 |
SHAFT ASSY, pinion |
| Engine | MD001517 |
SHIM |
| Engine | MM409320 |
SPACER |
| Engine | MM409328 |
SPACER |
| Engine | MM409656 |
SPACER |
| Engine | MM434440 |
SPACER |
| Engine | MK96010013 |
SPANNER, double head (10X13) |
| Engine | MK96012014 |
SPANNER, double head (12X14) |
| Engine | MK96017019 |
SPANNER, double head (17X19) |
| Engine | MK96008010 |
SPANNER, double head (8X10) |
| Engine | MD607446 |
SPRING SET |
| Engine | MD602210 |
SPRING, BRUSH |
| Engine | MD602227 |
SPRING, brush |
| Engine | MM409410 |
STARTER ASSY (12V-1.6KW) : M |
| Engine | MM409412 |
STARTER ASSY (12V-2.0KW) : M |
| Engine | MM409413 |
STARTER ASSY M002T56272 MEC |
| Engine | MM502299 |
STATOR |
| Engine | MM502350 |
STATOR |
| Engine | MM502506 |
STATOR ASSY |
| Engine | ME700124 |
STOPPER SET |
| Engine | MD607634 |
SWITCH ASSY |
| Engine | JP0109950 |
SWITCH, starting |
| Engine | JP0100260 |
TACHOMETER (with H/M) |
| Engine | MD607829 |
TERMINAL SET |
| Engine | MM413903 |
TOOL SET |
| Engine | MM431350 |
TOOL SET |
| Engine | MM409675 |
UNIT ASSY, contorol timer |
| Engine | MM434825 |
UNIT ASSY, contorol timer |
| Engine | MM435745 |
UNIT ASSY, contorol timer |
| Engine | K7644660 |
WASHER, plain (6) |
| Engine | MF450005 |
WASHER, plain (8) |
| Engine | MF450010 |
WASHER,PLAIN |
| Engine | MF450406 |
WASHER,SPRING |
| Engine | JP0301100 |
WIRE UNIT, tachometer (1.0M) |
| Engine | K9670260 |
WIRE, glow plug read |
| Engine | MM409511 |
WIRE, glow plug read |
| Engine | K7290130 |
WRENCH, socket (12X14) |
| Engine | MM502397 |
YOKE ASSY |
| Engine | MM502440 |
YOKE ASSY |
| Engine | MM502453 |
YOKE ASSY |
| Fuel Injection | MF100055 |
BOLT (4T : 8X20) |
| Fuel Injection | MM409126 |
COLLAR, union |
| Fuel Injection | MM400889 |
CUP, filter |
| Fuel Injection | MM500336 |
GASKET, delivery valve |
| Fuel Injection | K6515430 |
GASKET, nozzle holder |
| Fuel Injection | MM500224 |
HOLDER, delivery valve |
| Fuel Injection | MM501070 |
HOUSING SUB ASSY, pump |
| Fuel Injection | MM501253 |
HOUSING SUB ASSY, pump |
| Fuel Injection | MM401110 |
NOZZLE & HOLDER ASSY |
| Fuel Injection | MM408880 |
NOZZLE & HOLDER ASSY |
| Fuel Injection | MM404877 |
NUT, ring |
| Fuel Injection | MM501263 |
PLATE, smoke set mark : 53 |
| Fuel Injection | MM501563 |
PLATE, smoke set mark : 54 |
| Fuel Injection | MM501264 |
PLATE, smoke set mark : 55 |
| Fuel Injection | MM501564 |
PLATE, smoke set mark : 56 |
| Fuel Injection | MM501265 |
PLATE, smoke set mark : 57 |
| Fuel Injection | MM501565 |
PLATE, smoke set mark : 58 |
| Fuel Injection | MM501266 |
PLATE, smoke set mark : 59 |
| Fuel Injection | MM501566 |
PLATE, smoke set mark : 60 |
| Fuel Injection | MM501267 |
PLATE, smoke set mark : 61 |
| Fuel Injection | MM501567 |
PLATE, smoke set mark : 62 |
| Fuel Injection | MM501268 |
PLATE, smoke set mark : 63 |
| Fuel Injection | MM501568 |
PLATE, smoke set mark : 64 |
| Fuel Injection | MM501269 |
PLATE, smoke set mark : 65 |
| Fuel Injection | MM501569 |
PLATE, smoke set mark : 66 |
| Fuel Injection | MM501270 |
PLATE, smoke set mark : 67 |
| Fuel Injection | MM501570 |
PLATE, smoke set mark : 68 |
| Fuel Injection | MM501271 |
PLATE, smoke set mark : 69 |
| Fuel Injection | MM501571 |
PLATE, smoke set mark : 70 |
| Fuel Injection | MM501272 |
PLATE, smoke set mark : 71 |
| Fuel Injection | MM501572 |
PLATE, smoke set mark : 72 |
| Fuel Injection | MM500429 |
RIVET, SERRATION |
| Fuel Injection | MM409898 |
SHIM SET, adjusting |
| Fuel Injection | MM501161 |
SPRING, DELIVERY |
| Fuel Injection | MM501047 |
SPRING, delivery valve |
| Fuel Injection | MM500227 |
VALVE SUB ASSY, delivery |
| Fuel Injection | MM501076 |
VALVE SUB ASSY, delivery |
| Fuel Injection | MM501961 |
VALVE SUB ASSY, delivery |
| Fuel Injection | MM501980 |
VALVE SUB ASSY, delivery |
| Lubrication | MF100064 |
BOLT (4T : 8X45) |
| Lubrication | MF101268 |
BOLT (7T : 8X65) |
| Lubrication | MF240051 |
BOLT, W/WASHER |
| Lubrication | MF241224 |
BOLT, W/WASHER |
| Lubrication | MF240053 |
BOLT, with washer (4T : 8X20) |
| Lubrication | MF240059 |
BOLT, with washer (4T : 8X35) |
| Lubrication | MF241253 |
BOLT, with washer (7T : 8X20) |
| Lubrication | MF241257 |
BOLT, with washer (7T : 8X30) |
| Lubrication | MF241261 |
BOLT, with washer (7T : 8X40) |
| Lubrication | MF244864 |
BOLT, with washer (7T : 8X65) |
| Lubrication | K7910451 |
COVER, oil pump |
| Lubrication | MM401205 |
COVER, oil pump shaft |
| Lubrication | MM407170 |
DRIVEN UNIT, speedometer |
| Lubrication | MM430598 |
DRIVEN UNIT, speedometer |
| Lubrication | MM431364 |
DRIVEN UNIT, speedometer |
| Lubrication | K9665400 |
FILTER ASSY, oil |
| Lubrication | MD017440 |
FILTER ASSY, oil |
| Lubrication | MD031805 |
FILTER ASSY, oil |
| Lubrication | MM409365 |
FILTER ASSY, oil |
| Lubrication | MF660036 |
GASKET |
| Lubrication | MM408235 |
GASKET, gear case (0.5t) |
| Lubrication | MM408236 |
GASKET, gear case (0.8t) |
| Lubrication | MM409235 |
GASKET, housing |
| Lubrication | MM407124 |
GASKET, oil pump body |
| Lubrication | MM401206 |
GASKET, oil pump cover |
| Lubrication | MM407171 |
GEAR, speedometer driven |
| Lubrication | MM431365 |
GEAR, speedometer driven |
| Lubrication | MM409230 |
HOUSING, pump gear bearing |
| Lubrication | MF430728 |
NUT, JAM |
| Lubrication | MF430729 |
NUT,JAM |
| Lubrication | MD701788 |
O-RING |
| Lubrication | MF520012 |
O-RING |
| Lubrication | MD701786 |
PIN, spring |
| Lubrication | MF472535 |
PIN, spring (3X14) |
| Lubrication | MF472536 |
PIN, spring (3X16) |
| Lubrication | MD701789 |
PLATE, locking |
| Lubrication | MS661120 |
PLUG, taper (PT 1/8) |
| Lubrication | MM409718 |
PLUG, thrust |
| Lubrication | MM409216 |
SCREEN ASSY, oil |
| Lubrication | MM413264 |
SCREEN ASSY, oil |
| Lubrication | MM430174 |
SCREEN ASSY, oil |
| Lubrication | MM430176 |
SCREEN ASSY, oil |
| Lubrication | MM409893 |
SERVICE KIT, relief valve |
| Lubrication | MM409894 |
SERVICE KIT, rotor |
| Lubrication | MD701787 |
SLEEVE, speedometer driven gear |
| Lubrication | MM430419 |
SLEEVE, speedometer driven gear |
| Lubrication | MF400683 |
STUD (7T : 8X45) |
| Lubrication | MM130066 |
SWITCH ASSY, oil pressure (P05) |
| Lubrication | MD001482 |
SWITCH ASSY, oil pressure (P25) |
| Lubrication | MS450035 |
WASHER, PLAIN |
| Lubrication | MK66114000 |
WASHER, seal |
| Lubrication | MF450405 |
WASHER,SPRING |