The Mitsubishi S12A2 engine line groups 9 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 04343-35500 | Alternator (Initial exciting type (brushless)) | alternator |
| 04343-38000 | Alternator (Self exciting type (with brush)) | alternator |
| 04344-05001 | Alternator (Self exciting type (with brush)) | alternator |
| 34368-02400 | Alternator (Initial exciting type (brushless)) | alternator |
| 34468-21100 | Alternator (Initial exciting type (with brush)) | alternator |
| 32591-09100 | Belt gauge | belt |
| 32620-00300 | Crankshaft pulley (V-belt) | belt |
| 32620-01100 | Crankshaft pulley (Ribbed belt) | belt |
| 32620-10500 | Crankshaft pulley (V-belt) | belt |
| 37594-01300 | Liquid gasket: ThreeBond 1211 | fluid |
| 04122-39001 | Fuel filter (Wire element type) | fuel_filter |
| 32562-60010 | Fuel filter (Diesel oil) | fuel_filter |
| 32562-61010 | Fuel filter (Diesel oil) | fuel_filter |
| 37562-70800 | Fuel filter (Diesel oil, change over type) | fuel_filter |
| 04239-00050 | Nozzle tester | injector |
| 36291-00900 | Nozzle remover | injector |
| 04400-02000 | Stop solenoid (RUN OFF) | other_service |
| 04400-08801 | Stop solenoid (RUN ON) | other_service |
| 04400-28800 | Stop solenoid (RUN ON) | other_service |
| 05930-00200 | Eyebolt (M12 × 1.25 mm) | other_service |
| 08014-00003 | Eye nut (M12 × 1.25 mm) | other_service |
| 30091-07500 | Valve lapper | other_service |
| 30091-08800 | Valve lapper | other_service |
| 32507-62400 | Cylinder liner (S12A2-1) | other_service |
| 32517-91101 | Piston (Compression ratio 14.0, With Almite treatment) | other_service |
| 32517-91201 | Piston (Compression ratio 14.0, Without Almite treatment) | other_service |
| 32525-10300 | Drive case (S3S spec) | other_service |
| 32561-54010 | Orifice | other_service |
| 32561-57090 | Orifice | other_service |
| 32561-64010 | Orifice | other_service |
| 32561-76050 | Orifice | other_service |
| 32561-79010 | Orifice | other_service |
| 32591-01100 | Socket wrench | other_service |
| 32591-01800 | Installer | other_service |
| 32591-02500 | Idler bushing puller | other_service |
| 32591-02600 | Rocker bushing puller | other_service |
| 32591-02800 | Socket (Left-hand thread) | other_service |
| 32591-03600 | Bearing installer | other_service |
| 32591-04050 | Crankcase grinder | other_service |
| 32591-04200 | Valve seat puller | other_service |
| 32591-04300 | Adapter | other_service |
| 32591-14100 | Cylinder liner remover | other_service |
| 32591-18010 | Connecting rod bushing installer | other_service |
| 32605-40101 | Camshaft (Right) | other_service |
| 32605-40201 | Camshaft (Left) | other_service |
| 32607-03400 | Cylinder liner (S12A2-2) | other_service |
| 32608-00200 | Cylinder liner (S12A2-1) | other_service |
| 32608-00300 | Cylinder liner (S12A2-2) | other_service |
| 32613-03700 | Oil pan (Deep type 170L) | other_service |
| 32613-40101 | Oil pan (Shallow type) | other_service |
| 32613-63100 | Oil pan (Deep type 170L) | other_service |
| 32617-00600 | Piston (Compression ratio 15.3, With Almite treatment) | other_service |
| 32617-00701 | Piston (Compression ratio 15.3, Without Almite treatment) | other_service |
| 32619-81110 | Connecting rod | other_service |
| 32619-81210 | Connecting rod | other_service |
| 32619-81310 | Connecting rod | other_service |
| 32619-81410 | Connecting rod | other_service |
| 32619-81510 | Connecting rod | other_service |
| 32619-81610 | Connecting rod | other_service |
| 32619-81710 | Connecting rod | other_service |
| 32619-81810 | Connecting rod | other_service |
| 32620-00700 | Front pulley | other_service |
| 32620-01892 | Crankshaft | other_service |
| 32620-40193 | Crankshaft | other_service |
| 32621-00052 | Flywheel (Standard) | other_service |
| 32621-00080 | Flywheel (FCD) | other_service |
| 32625-04301 | Front pulley | other_service |
| 32625-04801 | Front pulley | other_service |
| 32625-05901 | Front pulley | other_service |
| 32625-09100 | Drive case (S7S spec) | other_service |
| 32625-09200 | Drive case (S7S spec) | other_service |
| 32625-10300 | Drive case (S3S spec) | other_service |
| 32625-15100 | Drive case (S3S spec) | other_service |
| 32625-54101 | Front pulley | other_service |
| 32630-11021 | Air cooler (External cooling, Right) | other_service |
| 32630-12021 | Air cooler (External cooling, Left) | other_service |
| 32630-37020 | Air cooler (PTA2, Right) | other_service |
| 32630-37030 | Air cooler (PTA2, Left) | other_service |
| 32630-45021 | Air cooler (Fresh water cooling, Left) | other_service |
| 32630-46021 | Air cooler (Fresh water cooling, Right) | other_service |
| 32635-10020 | Side clearance between gear width and case depth | other_service |
| 32635-20010 | Side clearance between gear width and case depth | other_service |
| 32655-00021 | Air cooler (Sea water cooling) | other_service |
| 32661-01050 | Orifice | other_service |
| 32661-01090 | Orifice | other_service |
| 32661-11060 | Orifice | other_service |
| 32661-11070 | Orifice | other_service |
| 32691-01500 | Connecting rod gauge | other_service |
| 32691-01600 | Connecting rod gauge | other_service |
| 32691-04200 | Bearing installer | other_service |
| 32691-04300 | Bearing installer | other_service |
| 32691-07100 | Fan pulley adapter | other_service |
| 33591-04500 | Valve spring pusher | other_service |
| 33A91-01700 | Compression gauge | other_service |
| 35A07-17100 | Shim (0.10 mm) | other_service |
| 35A07-17200 | Shim (0.20 mm) | other_service |
| 35A07-17300 | Shim (0.30 mm) | other_service |
| 35A07-17400 | Shim (0.40 mm) | other_service |
| 35A07-17500 | Shim (0.05 mm) | other_service |
| 35A07-17600 | Shim (0.15 mm) | other_service |
| 35A07-17700 | Shim (0.25 mm) | other_service |
| 35A07-17800 | Shim (0.35 mm) | other_service |
| 35A61-11030 | Orifice | other_service |
| 35A91-05010 | Valve seat caulking tool (Inlet) | other_service |
| 35A91-05020 | Valve seat caulking tool (Exhaust) | other_service |
| 36291-02200 | Gauge adapter | other_service |
| 36291-04200 | Valve guide remover | other_service |
| 37191-03200 | Ring expander | other_service |
| 37191-06600 | Thread cover | other_service |
| 37191-07100 | Piston installer | other_service |
| 37591-06400 | Valve seat cutter Shaft | other_service |
| 37591-06430 | Valve seat cutter | other_service |
| 37598-09201 | Projection plate | other_service |
| 45113-93701 | Oil pan (Deep type) | other_service |
| 45120-90300 | Front pulley | other_service |
| 45125-97300 | Front pulley | other_service |
| 45146-98200 | Heat exchanger (Expansion tank) | other_service |
| 45152-90001 | Heat exchanger | other_service |
| 45685-60600 | Front pulley | other_service |
| 45815-32201 | Eyebolt (M8 × 1.25 mm) | other_service |
| 45815-32301 | Eyebolt (M10 × 1.5 mm) | other_service |
| 46648-03400 | Fan (D1250, PUSH) | other_service |
| 46805-22001 | Heat exchanger | other_service |
| 99266-A2100 | S12A2-Y2PTAW Diesel Engine | other_service |
| 32645-18401 | Water pump | pump |
| 32645-92020 | Water pump | pump |
| 32653-05010 | Water pump | pump |
| 32691-01200 | Water pump wrench | pump |
| 32691-02700 | Oil pump bush Puller | pump |
| 32591-03100 | Oil seal installer | seal |
| 32591-03200 | Oil seal installer | seal |
| 32591-07012 | Rear seal installer assembly | seal |
| 32591-10300 | Guide and seal installer | seal |
| 32691-00042 | Front seal installer assembly | seal |
| 37191-06300 | Unit seal installer | seal |
| 32591-01200 | Starter valve adapter | starter |
| 32666-10300 | Starter (Single wire type) | starter |
| 32666-10400 | Starter (2-wire type) | starter |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Leads compiled from supplier catalogs across the family’s variants; verify the exact part for your variant and serial number.