MarineDieselXRef
Home › Engines › 4LH-STE

4LH-STE Marine

Yanmar 4LH-STE · 4LH-STE family: specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.

🚜 Base engine confirmed

The Yanmar 4LH-STE is a Yanmar marine diesel in the 4LH family. Yanmar designs and sells both marine and industrial diesels; internal service parts for this family are listed in the 4LH parts book and often sell cheaper through industrial/agricultural channels than under marine dealer pricing. — Yanmar OEM parts catalog in-repo (brands/yanmar/data/extracted/catalogs.csv)

230 hp169.2 kW
3455 ccdisplacement
100×110 mmbore × stroke
4-cylcylinders
1994–2004year range (approx)
Turboaspiration

high-output turbo; intercooled per successor 4LHA-STP - verify IC; rpm_cont verify

📋 Full specifications 3 🚜 Industrial / tractor base 🔧 Aftermarket 92
Cheaper-part coverage · 5/8
🚜 Base engine ✓🌀 Impeller ✓💧 Raw-water pump🛢️ Oil filter⛽ Fuel filter🌡️ Thermostat ✓➰ Belt ✓⚓ Anode ✓

A ✓ means at least one cheaper channel — aftermarket, the tractor/industrial base engine, or a standard component — exists for this engine in that category.

Parts by section · 92 assemblies

The exploded parts diagrams for the 4LH-STE, grouped by system. Open a figure for its callout part numbers and per-variant quantities.

Bilge & accessory pumps

Fig 36 — BILGE PUMP(OPTIONAL)(UP TO EXXXXX)Fig 37 — BILGE PUMP(STD,OPTIONAL)(UP TO EXXXXX)Fig 38 — BILGE PUMP(DX,OPTIONAL)(UP TO EXXXXX)Fig 99 — (38A)BILGE PUMP(OPTIONAL)(FROM EXXXXX)

Camshaft & timing gears

Fig 2 — GEAR HOUSINGFig 12 — CAMSHAFT

Controls

Fig 65 — SINGLE LEVER CONTROL(OPTIONAL)Fig 92 — REMOTE CONTROL DEVICEFig 93 — REMOTE CONTROL PASSIVE UNIT

Cooling – fresh water

Fig 39 — COOLING FRESH WATER PUMPFig 41 — COOLING FRESH WATER COOLERFig 42 — COOLING FRESH WATER COOLER(4LH-STE)Fig 45 — COOLING FRESH WATER COOLER PIPEFig 46 — COOLING FRESH WATER PIPE(TURBOCHARGER)Fig 47 — THERMOSTAT

Cooling – sea water

Fig 40 — COOLING SEA WATER PUMPFig 43 — COOLING SEA WATER PIPEFig 44 — COOLING SEA WATER PIPE(4LH-STEFig 48 — COOLING SEA WATER STRAINER(OPTIONAL)

Crankshaft & flywheel

Fig 3 — FLYWHEEL HOUSINGFig 27 — CRANKSHAFT & FLYWHEEL

Cylinder block

Fig 1 — CYLINDER BLOCK

Cylinder head & valves

Fig 8 — CYLINDER HEAD

Electrical & instruments

Fig 64 — ENGINE STOP DEVICEFig 66 — STARTING MOTORFig 73 — WIRE HARNESSFig 75 — SENSORFig 76 — SAFETY SWITCH(OPTIONAL)Fig 77 — INSTRUMENT PANEL(B-TYPE,OPTIONAL)Fig 78 — INSTRUMENT PANEL(C-TYPE,OPTIONAL)(UP TO EXXXXX)Fig 79 — INSTRUMENT PANEL(D-TYPE,OPTIONAL)Fig 80 — INSTRUMENT PANEL(E-TYPE,OPTIONAL)Fig 94 — SAFETY SWITCH STAY(OPTIONAL)Fig 97 — (78A)INSTRUMENT PANEL(C-TYPE,OPTIONAL)(FROM EXXXXX)Fig 98 — (82A)INSTRUMENT PANEL(C-TYPE,OPTIONAL)(FROM EXXXXX)

Fuel injection pump & governor

Fig 49 — FUEL INJECTION PUMP(4LH-TE,HTE)Fig 50 — FUEL INJECTION PUMP(4LH-DTE,STE)Fig 51 — GOVERNOR(4LH-DTE)(UP TO EXXXXX)Fig 52 — GOVERNOR(4LH-DTE)(FROM EXXXXX)Fig 53 — GOVERNOR(4LH-STE)Fig 54 — FUEL FEED PUMPFig 55 — TIME & FUEL INJECTION PUMP DRIVING DEVICE

Fuel injectors & nozzles

Fig 56 — FUEL INJECTION VALVE

Fuel lines, tank & filter

Fig 57 — FUEL INJECTION PIPEFig 58 — FUEL PIPEFig 59 — FUEL RETURN PIPE(4LH-TE,HTE)Fig 60 — FUEL RETURN PIPE(4LH-DTE)Fig 61 — FUEL RETURN PIPE(4LH-STE)Fig 62 — FUEL STRAINERFig 63 — OIL/WATER SEPARATER(OPTIONAL)

Gaskets, kits & spare parts

Fig 85 — GASKET SET(OPTIONAL)

Generator (genset)

Fig 68 — GENERATORFig 69 — GENERATOR(80A,OPTIONAL)(UP TO EXXXXX)Fig 70 — GENERATOR(80A,OPTIONAL)(FROM EXXXXX)Fig 96 — (68A)GENERATOR COMPONENT PARTS

Intake and Exhaust

Fig 10 — SUCTION MANIFOLDFig 11 — MIXING ELBOWFig 13 — TURBINE(4LH-TE,HTE)Fig 14 — TURBINE(INNER PARTS)(4LH-TE,HTE)Fig 15 — TURBINE(INNER PARTS)(4LH-HTE)Fig 17 — TURBINE(4LH-DTE)Fig 18 — TURBINE(INNER PARTS)(4LH-DTE)Fig 20 — TURBINE(4LH-STE)Fig 21 — TURBINE(INNER PARTS)(4LH-STE)Fig 23 — AIR COOLER(4LH-HTE,DTE)Fig 24 — AIR COOLER(4LH-STE)Fig 25 — AIR DUCTFig 26 — AIR DUCT(4LH-STE)Fig 34 — LUB. OIL PIPE(TURBOCHARGER)Fig 35 — OIL SUCTION/DRAIN PUMPFig 95 — (23A)AIR COOLER COMPONENT PARTS(4LH-HTE,DTE)

Lubricating

Fig 4 — LUB. OIL SUMPFig 5 — OIL SEAL HOUSINGFig 9 — B0NNET & BREATHERFig 29 — LUB. OIL PUMPFig 30 — LUB. OIL COOLERFig 31 — LUB. OIL COOLER HOUSINGGFig 32 — LUB. OIL SYSTEM(4LH-TE,HTE)Fig 33 — LUB. OIL SYSTEM(4LH-DTE,STE)

Mounting

Fig 7 — ENGINE BRACKET

Pistons, rods & liners

Fig 28 — PISTON & CONNECTING ROD

Tools & labels

Fig 6 — LABELFig 84 — TOOL

Transmission & drive

Fig 71 — CLUTCHFig 72 — STRAIGHT COUPLING(OPTIONAL)Fig 74 — EXTENSION WIRE(OPTIONAL)Fig 86 — CLUTCH HOUSINGFig 87 — INPUT SHAFTFig 88 — CLUTCH SHAFTFig 89 — SUPPORT SHAFTFig 90 — OUTPUT SHAFTFig 91 — LUB. OIL COOLER(CLUTCH)
📚 Manuals & Sources
Specs— none yet
Operator's Manual— none yet
Service / Workshop Manual— none yet
Parts Catalog / List— none yet
More📖 Boat Inboard Engine Manuals Boat Manuals

External links — we host none of these documents.

4LH-STE — Affiliate Parts Search

AmazoneBayAliExpress

As an Amazon Associate I earn from qualifying purchases. Other links (eBay, AliExpress) are also affiliate links — they help pay for the site, at no extra cost to you. More

Category
Marine
Engine family
4LH-STE
Year range (approx)
1994–2004
Cylinders
4
Rated output
230 hp (169.2 kW)
Bore × stroke
100 × 110 mm
Displacement
3455 cc
Max rpm
3300
Continuous rpm
3200
Aspiration
Turbocharged