HomeEnginesMitsubishi S12R family

Mitsubishi S12R Engine Family 13 variants

The Mitsubishi S12R engine line groups 13 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.

Generator sets using this engine family

12
AKSA APD-ULM1250Doosan INPE-1250Mitsubishi MAS 1350Mitsubishi MGS1300RMitsubishi MGS1500RMitsubishi MGS1700RMitsubishi S12R - PTA2Mitsubishi S12R - PTAA2Mitsubishi S12R-MPTAMitsubishi S12R-PTATalles HTW-1260 T5engineservice.olthof.eu S12R-MPTA

Parts cataloged across the Mitsubishi S12R family

130
Part #DescriptionCategory
04343-35500Alternator (Initial exciting type, brush-less)alternator
04343-35600Alternator (Initial exciting type, brush-less)alternator
04343-38000Alternator (Self exciting type, with brush)alternator
04343-38300Alternator (External exciting type, with brush)belt
32591-09100Belt gaugebelt
37591-06100Fuel injection pump coupling gaugefuel_pump
37594-01300ThreeBond 1211 liquid gasketgasket
37591-03200Impeller removerimpeller
33591-10101nozzle removerinjector
37560-22010Fuel injection nozzle (T type)injector
37560-35000Fuel injection nozzle (T type)injector
37560-37000Fuel injection nozzle (T type)injector
37560-39000Fuel injection nozzle (T type)injector
37860-06000Fuel injection nozzle (TE type)injector
83091-03301Nozzle testerinjector
05930-00200Eyebolt (M12 × 1.25 mm)other_service
30091-07500Valve lapperother_service
30091-08800valve lapperother_service
32591-02500Idler bushing pullerother_service
32591-04200valve seat pullerother_service
33591-04300valve guide removerother_service
33591-04500Valve spring pusherother_service
33A91-01700Compression gaugeother_service
37191-03200piston ring toolother_service
37191-07100Piston installerother_service
37320-22600Crankshaft pulleyother_service
37420-22500Crankshaft pulleyother_service
37491-02100Slinger installerother_service
37491-02200Installer guideother_service
37504-10400Single valve springother_service
37504-10600Inner springother_service
37504-20500Outer springother_service
37507-22700Cylinder liner (High power)other_service
37507-82600Cylinder liner (Standard)other_service
37517-00800Pistonother_service
37517-00900Piston (Overlap 108°, Compression ratio 14.5)other_service
37517-07700Piston (Overlap 108°, Compression ratio 14)other_service
37517-07800Pistonother_service
37517-07900Pistonother_service
37517-10401Piston (Overlap 108°, Compression ratio 15)other_service
37517-10600Piston (Overlap 93°, Compression ratio 13.5)other_service
37517-30101Piston (Overlap 60°, Compression ratio 14)other_service
37519-11400Connecting rod bolt (Lower/long)other_service
37519-20301Connecting rod bolt (No differentiation)other_service
37519-21300Connecting rod bolt (Upper/short)other_service
37591-01010Connecting rod bushing installerother_service
37591-02200adaptorother_service
37591-02400eye nutother_service
37591-02500Eyebolt (M10 × 1.25 mm)other_service
37591-02600rocker bushing toolother_service
37591-04010Valve seat installerother_service
37591-04100Cylinder liner removerother_service
37591-06200liner pusherother_service
37591-06300boltsother_service
37591-06400valve seat cutterother_service
37591-06430valve seat cutterother_service
37591-07010Crankcase grinderother_service
37598-08900Head bolt plateother_service
37598-09100head bolt spacersother_service
37598-09201projection plate Oother_service
37705-10300Camshaft (Right, Overlap 93°)other_service
37705-10400Camshaft (Left, Overlap 93°)other_service
37705-20100Camshaft (Right, Overlap 61°)other_service
37705-20200Camshaft (Left, Overlap 61°)other_service
37713-12502Oil pan (Deep)other_service
37713-40101Oil pan (Shallow)other_service
37719-32020Connecting rodother_service
37719-60040Connecting rodother_service
37719-60050Connecting rodother_service
37720-03601Crankshaft pulleyother_service
37720-13500Crankshaft pulleyother_service
37720-20100Crankshaft (NV Classification)other_service
37720-20190Crankshaft (Standard)other_service
37725-14301Stub shaftother_service
37747-11100Air cooler (Air to air type)other_service
37748-03601Fan (D1524, PUSHER)other_service
37755-11001Air cooler (Fresh water)other_service
37755-12010Air cooler (Seawater)other_service
37755-14001Air cooler (Fresh water, external cooling)other_service
37755-25000Air cooler (Fresh water two stages)other_service
37791-01500Connecting rod gaugeother_service
37791-01600Connecting rod gaugeother_service
37791-02100Eyeboltother_service
37791-02200Jack boltother_service
37791-02500Rear idler bushing installerother_service
37791-03300Ring installerother_service
37791-03400Ring removerother_service
37791-08101Exhaust manifold A wrenchother_service
37791-08201Exhaust manifold B wrenchother_service
43291-00301Plunger holder (special tool)other_service
45191-08400ring pliersother_service
45325-91801Crankshaft pulleyother_service
45346-98102Expansion tankother_service
45815-32301Eyeboltother_service
45B91-02100Sealing installerother_service
45R52-30001Heat exchangerother_service
45R52-31000Heat exchangerother_service
46648-06400Fan (D1828, PUSHER)other_service
48202-09301Sleeve installerother_service
48202-14100Shim (thickness: 0.5 mm [0.0197 in.])other_service
48202-14200Shim (thickness: 0.6 mm [0.0236 in.])other_service
48291-00200Plunger spring compression jigother_service
48291-00301Plunger holderother_service
48291-00400Cam thrust ejectorother_service
49160-90101snap ring pliersother_service
49160-90110snap ring pliersother_service
58309-73100Socketother_service
64362-68500Jack bolt (M12×1.25 mm)other_service
MM321420piston removerother_service
37591-03100Water pump plierspump
37753-00013Water pump for air coolerpump
37753-00031Water pump for air coolerpump
45353-94600Seawater pump for air coolerpump
48291-00100Pump assembly standpump
37191-01500valve guide seal installerseal
37191-06300Unit seal installerseal
37191-11500Guide and seal installerseal
37591-05010Front seal installer assemblyseal
37591-12300Guide and seal installerseal
37791-06010Rear seal installer assemblyseal
37507-12500shim, thickness: 0.10 mm [0.0039 in.]shim
37507-12510shim, thickness: 0.05 mm [0.0020 in.]shim
37507-12520shim, thickness: 0.15 mm [0.0059 in.]shim
04065-52001Starter (Air motor)starter
37766-20200Starter (Single wire type)starter
37766-30300Starter (Marine use self starter motor)starter
48202-14300tappettappet
48202-14400tappettappet
37546-21700Thermostat (For jacket water)thermostat
37751-01700Thermostat (For air cooler)thermostat

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Aftermarket parts that fit this family

76
04400-08210 FridayParts $114.50 2370-24ESU1B5S FridayParts $114.50 SA-4575 FridayParts $114.50 S12R yemparts $66.65 S16R yemparts $28.65 S12N yemparts $144.68 S12H yemparts $144.68 37745-60011 FridayParts $3075.99 37768-04200 FridayParts $48.90 S12R-Y1PTA-2 yemparts $66.65 S16R-PTA yemparts $28.65 37507-03100 FridayParts $88.60 S6R2-MTK3L find S16R-MPTA yemparts $176.78 S12R-MPTK yemparts $176.78 37507-03200 FridayParts $88.60 S6R2 yemparts $149.10 S12R-MPTA yemparts $176.78 37711-04300 FridayParts $139.90 S12R-PTA yemparts $66.65 S16R-PT yemparts $176.78 32562-70300 kuduparts $40.00 S16R2 yemparts $225.76 S6R2T2MTK3M find 48202-23500 FridayParts $49.99 37507-42600 FridayParts $280.99 32501-04201 FridayParts $65.00 S12A2 yemparts $225.76 S12U find 37734-01700 find S16R-PTWA find S16R-MPTK yemparts $176.78 3754906600 find S6B3 yemparts $225.76 S6B2 find 37546-31700 find MGS0500 find MGS1200 find 37560-08700 find 04343-38000 find A003TN5487 find A3TN5487ZC find 30N20-00101 find 3436102090 find ME755056 find 9410610309 find 101605-9511 find 32C65-04040 find 092000-4550 find S4Q2 yemparts $31.40 37739-30100 find 8DC9 yemparts $132.72 32666-10300 find 04442-45400 find 3436102071 find 3436102070 find 37501-02200 find 37501-80V50 find 094500-6040 find 30L65-00700 find

Leads compiled from supplier catalogs across the family’s variants; verify the exact part for your variant and serial number.