Tracking down the right part for your marine engine just got easier with this 110-page Yanmar 4JH2E parts catalog PDF (OEM #Y00R3512), which covers the complete component breakdown for the 4JH2E, 4JH2-TE, 4JH2-THE, 4JH2-DTE, 4JH2-UTE(B), and 4JH2-HTE series. Inside, you get highly detailed exploded views of every system, from the KM4A clutch assembly to the main fuel injection pump. Open to any page and find exact part numbers, sub-assemblies, and hardware cross-references needed to order the correct replacement components the first time. Factory diagrams show the exact cooling sea water hose dimensions at 13/20x300mm, alongside the precise 20x35x8mm sea water pump seal. Waiting on the wrong replacement part keeps your boat tied to the dock. Grab this bookmarked download, find your exact numbers, and get your engine running today.
What's Inside This Yanmar 4JH2 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Cylinder Block | 2 | Fig.1.Cylinder Block, Remarks (Standard, Adjustment, Under-Sized Metal, Over-Sized Metal) |
| Gear Housing | 3 | Fig.2.Gear Housing, Parts |
| Flywheel Housing | 4 | Fig.3.Flywheel Housing, Parts |
| Lubrication Oil Sump | 5 | Fig.4.Lub. Oil Sump, Parts |
| Label | 6 | Fig.5.Label, Parts |
| Mounting Foot | 7 | Fig.6.Mounting Foot, Parts |
| Cylinder Head | 8 | Fig.7.Cylinder Head, Remarks (Repair Part) |
| Bonnet & Breather | 9 | Fig.8.Bonnet & Breather, Parts |
| Suction Manifold (4JH2E) | 10 | Fig.9.Suction Manifold, Remarks (Optional, Optional: 2Pole Type) |
| Suction Manifold (4JH2-Te) | 11 | Fig.10.Suction Manifold, Remarks (Optional, Optional: 2Pole Type) |
| Suction Manifold (4JH2HT,DT,UTE) | 12 | Fig.11.Suction Manifold(4Jh2Ht, Dt, Ute, Parts |
| Camshaft & Driving Gear | 13 | Fig.12.Camshaft & Driving Gear, Parts |
| Mixing Elbow | 14 | Fig.13.Mixing Elbow, Parts |
| Turbocharger | 15-16 | Fig.14.Turbocharger, Remarks (Interchangeability Is <S> with Ref.No.2, Interchangeability Is <S> with Ref.No.3, Misprint) |
| Air Cooler (4JH2-Hte) | 17 | Fig.15.Air Cooler, Remarks (Optional, Optional: 2Pole Type, New Code Numbers for Internal Parts) |
| Air Cooler (4JH2-DTE,UTE) | 18 | Fig.16.Air Cooler, Remarks (Interchangeable by Simultaneous Replacement with Ref.33-1 & 34-1, Optional, Optional: 2Pole Type) |
| Crankshaft & Flywheel | 19 | Fig.17.Crankshaft & Flywheel, Remarks (Optional) |
| Piston & Connecting Rod | 20 | Fig.18.Piston & Connecting Rod, Remarks (Under-Sized Metal, Over Size Optional Parts) |
| Lubrication Oil Cooler | 21 | Fig.19.Lub.Oil Cooler, Parts |
| Lubrication Oil System | 22 | Fig.20.Lub. Oil System, Remarks (Optional) |
| Lubrication Oil Line | 23 | Fig.21.Lub. Oil Line, Parts |
| Cooling Sea Water Pump | 24 | Fig.22.Cooling Sea Water Pump, Parts |
| Cooling Fresh Water Pump | 25 | Fig.23.Cooling Fresh Water Pump, Remarks (Optional, Optional: 2Pole Type) |
| Cooling Fresh Water Cooler | 26-27 | Fig.24.Cooling Fresh Water Cooler, Parts |
| Cooling Sea Water Pipe (4JH2-HTE,DTE,UTE) | 28 | Fig.25.C.S.W.Pipe, Remarks (Optional Part) |
| Cooling Sea Water Pipe (4JH2E) | 29 | Fig.26.C.S.W.Pipe, Remarks (Optional Part) |
| Cooling Sea Water Pipe (4JH2-Te) | 30 | Fig.27.C.S.W.Pipe, Remarks (Optional Part) |
| Cooling Fresh Water Pipe | 31 | Fig.28.Cooling Fresh Water Pipe, Parts |
| Fuel Injection Pump (4JH2-TE,HTE,DTE) | 32-33 | Fig.29.F.I.Pump, Remarks (Governor Assy Is Ncororated in These Fuel Injection Pump Assy) |
| Fuel Injection Pump (4JH2E) | 34-35 | Fig.30.Fuel Injection Pump, Remarks (Governor Assy Is Incorporated in This Fuel Injection Pump Assy) |
| Fuel Injection Pump (4JH2-Ute) | 36 | Fig.31.Fuel Injection Pump, Parts |
| Fuel Injection Pipe (4JH2-E,TE,HTE,DTE) | 37 | Fig.32.F.I.Pipe, Parts |
| Fuel Injection Pipe (4JH2-Ute) | 38 | Fig.33.Fuel Injection Pipe, Parts |
| Timer (4JH2-E,DTE) | 39 | Fig.34.Timer, Parts |
| Fuel Pipe (4JH2-E,TE,HTE,DTE) | 40 | Fig.35.Fuel Pipe, Parts |
| Fuel Pipe (4JH2-Ute) | 41 | Fig.36.Fuel Pipe, Parts |
| Governor (4JH2-TE,HTE,DTE) | 42-43 | Fig.37.Governor, Remarks (Selective Part; Certain the Classification Mark When Place Your Order, Interchangeable by Simultaneous Replacement with Ref.51-1, & 77-1) |
| Governor (4JH2E) | 44-45 | Fig.38.Governor, Remarks (Not Boost Compemsator Type, Selective Part; Certain the Classification Mark When Place Your Order) |
| Engine Stop & Cold Start Device | 46 | Fig.39.Engine Stop&Cold Start Device, Remarks (Optional Parts) |
| Speed Remote Control Device | 47 | Fig.40.Speed Remote Control Device, Parts |
| Starting Motor | 48 | Fig.41.Starting Motor, Parts |
| Generator | 49 | Fig.42.Generator, Parts |
| Clutch Remote Control | 50 | Fig.43.Clutch Remote Control, Parts |
| Wire Harness & Sensor (4JH2-Ute) | 51 | Fig.44.Wire Harness & Sensor, Remarks (Optional, Optional: 2Pole Type) |
| Tool | 52 | Fig.45.Tool, Remarks (Optional Parts) |
| Spare Part | 53-55 | Fig.46.Spare Part, Parts |
| Electric Bilge Pump (12V) | 56 | Fig.49.Electric Bilge Pump, Parts |
| Sea Water Filter | 57 | Fig.50.Sea Water Filter, Parts |
| Fuel Tank | 58 | Fig.51.Fuel Tank, Parts |
| Engine Stop Device | 59 | Fig.52.Engine Stop Device, Parts |
| Wire Harness & Sensor (B-2 Type) | 60 | Fig.53.Wire Harness & Sensor, Remarks (2Pole Type) |
| Wire Harness & Sensor (C,D,E Type) | 61 | Fig.54.Wire Harness & Sensor, Remarks (2Pole Type) |
| Coupling | 62 | Fig.55.Coupling, Parts |
| Single Lever Control | 63 | Fig.56.Single Lever Control, Parts |
| Instrument Panel (B-2 Type) | 64-65 | Fig.57.Instrument Panel, Remarks (New Panel Type Is 129574-91130 Shown in Fig 57A, Optional: 2Pole Type) |
| Instrument Panel (C-Type) | 66-68 | Fig.58.Instrument Panel, Remarks (New Panel Type Is 129574-91160 Shown in Fig 58A, 2Pole Type) |
| Instrument Panel (C-Type, New) | 69-70 | Fig.94.Instrument Panel |
| Instrument Panel (D-Type) | 71-74 | Fig.59.Instrument Panel, Remarks (New Panel Type Is 129574-91190 Shown in Fig 59A, 2Pole Type) |
| Instrument Panel (D-Type, New) | 75-76 | Fig.95.Instrument Panel |
| Instrument Panel (E-Type) | 77 | Fig.60.Instrument Panel, Remarks (2Pole Type) |
| Repair Set | 78-79 | Fig.61.Repair Set, Remarks (2Pole Type, Not Used for the 2 Pole Type) |
| Gasket Set | 80 | Fig.62.Gasket Set, Parts |
| Reequip Ment Kit | 81 | Fig.63.Reequip Ment Kit, Remarks (4Jh2Me, 4Jh2M-Te, 4Jh2M-Hte, 4Jh2M-Dte, 4Jh2M-Ute, Misprint) |
| Clutch Assy (KM4A) | 82 | Fig.64.Clutch Assy, Parts |
| Clutch Housing | 83 | Fig.65.Clutch Housing, Parts |
| Input Shaft | 84 | Fig.66.Input Shaft, Remarks (This Part Is Standard Part for Yanmar Model 4JH2-Dtbe and 4JH2-Utbe But Optional for Other Models) |
| Clutch Shaft | 85 | Fig.67.Clutch Shaft, Parts |
| Counter Shaft | 86 | Fig.68.Counter Shaft, Parts |
| Output Shaft | 87-88 | Fig.69.Out Put Shaft, Parts |
| Control Device | 89 | Fig.71.Control Device, Parts |
| Tool (Optional) | 90 | Fig.72.Tool, Remarks (Torque Limiter, Clutch Shaft, Input Shaft & Output Shaft, Output Shaft, Coupling, Clutch Shaft & Idle Gear Shaft) |
| Clutch Assy (KBW20) | 91-97 | Fig.73.Clutch Assy, Parts |
| Clutch Assy (KBW21) | 98-104 | Fig.80.Clutch Assy, Parts |
| Clutch Assy (KM3P2) | 105-106 | Fig.87.Clutch Assy, Parts |
| Input Shaft & Counter Shaft | 107-110 | Fig.89.Input Shaft & Counter Shaft, Parts |
Every system also includes a parts list.
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Impeller quantity | 1 unit | p. 51 |
| Fuel Strainer Assembly quantity | 1 unit | p. 51 |
| Thermostat quantity | 1 unit | p. 51 |
| Sea Water Pump Seal Dimension | 20x35x8mm | p. 24 |
| Cooling Sea Water Hose (ID/OD x Length) | 13/20x300mm | p. 28 |
| Generator Output | 12V-55A | p. 49 |
| Electric Bilge Pump Voltage | 12V | p. 56 |
| Fuel Tank Capacity | 30L | p. 58 |
| Remote Control Cable Length | 7m | p. 63 |
| Instrument Panel Fuse Rating | 3A | p. 67 |
Yanmar 4JH2 Common Problems This Manual Covers
Cannot locate the correct exhaust mixing elbow part number for Yanmar 4JH2E after discovering cylinder water intrusion p. 14
Inspect the exploded view on page 14 to identify the exact mixing elbow assembly. Cross-reference the required gaskets and clamps before ordering. Check the cooling sea water pump breakdown on page 24 and replace the 20x35x8mm oil seal while servicing the raw water system.
Manual Section: Mixing ElbowNeed replacement component part numbers after finding severe carbon buildup and black smoke under heavy load p. 15
Review the turbocharger parts breakdown on page 15. Identify the exact turbine housing and gasket part numbers for your specific serial number. Replace the cooling sea water hose with a new 13/20x300mm line listed on page 28 to ensure proper flow to the intercooler system.
Manual Section: TurbochargerStruggling to identify correct instrument panel replacement components after experiencing a complete loss of gauge readings p. 66
Examine the C-Type instrument panel diagram on page 66 to find the correct gauge part numbers. Verify the wiring harness connectors match your existing setup. Order a replacement 3A fuse as specified on page 67 to resolve the circuit failure.
Manual Section: Instrument Panel (C-Type)Unable to find fuel pickup tube and strainer part numbers during a troubleshooting procedure for low RPM p. 58
Check the fuel tank diagram on page 58 to locate the correct pickup tube and strainer assemblies for your 30L capacity tank. Match the replacement component numbers to your specific configuration. Review page 40 to identify matching fuel pipe routing clips.
Manual Section: Fuel TankFrequently Asked Questions
What are the replacement specifications for Exhaust elbow / mixing elbow?
The replacement specifications for the mixing elbow include "ELBOW, MIXING" (Part No. 129792-13552) for 4JH2E, 4JH2-TE, 4JH2-HTE, and 4JH2-DTE engines, and "ELBOW,WATER MIXING" (Part No. 129470-13560) for 4JH2E. Associated gaskets are "GASKET" (Part No. 129472-13520) for 4JH2E, 4JH2-TE, 4JH2-HTE, and 4JH2-DTE, and "GASKET" (Part No. 129472-18090) for 4JH2E.
What are the replacement specifications for Service kit / filters / impeller kit?
Replacement specifications include various repair sets, filters, and impellers. For general repair, "REPAIR SET" part numbers vary by engine model, such as 729570-92500 for 4JH2E and 729571-92500 for 4JH2-TE. For lubrication oil, "FILTER 90X80L" (Part No. 129150-35150) is used across all models. Sea water filtration uses "STRAINER" (Part No. 919400-02500) and "FILTER" (Part No. XTST25S009). For cooling sea water pump, the "IMPELLER" is Part No. 129470-42530, and for the electric bilge pump, it is Part No. 947859-20010.
How do you fix cannot locate the correct exhaust mixing elbow part number for Yanmar 4JH2E after discovering cylinder water intrusion?
Inspect the exploded view on page 14 to identify the exact mixing elbow assembly. Cross-reference the required gaskets and clamps before ordering. Check the cooling sea water pump breakdown on page 24 and replace the 20x35x8mm oil seal while servicing the raw water system.
How do you fix need replacement component part numbers after finding severe carbon buildup and black smoke under heavy load?
Review the turbocharger parts breakdown on page 15. Identify the exact turbine housing and gasket part numbers for your specific serial number. Replace the cooling sea water hose with a new 13/20x300mm line listed on page 28 to ensure proper flow to the intercooler system.
How will I receive this Yanmar 4JH2E & variants Parts Catalog?
This is a 110-page searchable PDF ready for immediate download. Works on any device, so pull it up on your phone while you're under the hood. No shipping, no waiting.
Can I print specific sections of this Yanmar 4JH2E & variants Parts Catalog?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
Reviews
There are no reviews yet.