Yanmar 4JH3E
1999–200656 HP4-cylinderdiesel
Dieselheat exchanger cooledinboardsaildrive
Third-gen four-cylinder JH. Standard in many 36-45ft production sailboats.
Specifications
| Power | 56 HP @ 3,000 RPM | Cylinders | 4 |
| Displacement | 1995 cc (121.7 ci) | Bore x Stroke | 84 x 90 mm |
| Fuel Type | Diesel | Aspiration | Naturally Aspirated |
| Cooling | Heat exchanger | Drive | Inboard, Saildrive |
| Weight | 260 kg (573 lb) | Dimensions (LxWxH) | 865 x 596 x 705 mm |
| Fuel Use | 10.5 L/hr | Oil Capacity | 5.3 L |
| Transmission | KM4A |
Parts for the Yanmar 4JH3E
62 catalogued parts. Prices are reference figures; each “Find on Amazon” link opens a search for that part — confirm fitment against your engine's serial before ordering.
Cooling System (10)
- COOLANT PUMPfits: 4JH3-E, 4JH3-TE, 4JH3-HTE, 4JH3-DTE JAN 2007$493.70Buy on
↗ 
Water Pump — Yanmar 3JH/4JH2/4JH3fits: 129470-42003$230.74Buy on ↗- THERMOSTAT$114.24Buy on ↗
Johnson MC97 Pump Impeller for Johnson F4B, F5B, Volvo Pump (12 Blade)$63.40Search →- IMPELLER KIT (Includes O-Ring)fits: Yanmar 4JH4-TE, 4JH4-HTE, 3JH3E, 4JH3-TE / 4JH3-HTE / 4JH3DTE, 4JH4-E, 4JH3-E, 3JH4E$39.36Buy on ↗
CEF Neoprene Pump Impeller for Johnson F4B and F5B Pump (12 Blade)$36.04Search →- COOLANT PUMP GASKET$6.24Search →
- IMPELLER O-RINGfits: Yanmar 4JH4-TE, 4JH4-HTE, 3JH3E, 4JH4-E, 6LP-DTE, 6LP-STE, 6LP-DTZE, 6LP-STZE (Z), 6LPA-DT$5.11
· $8.50 ↗ - THERMOSTAT COVER GASKET$4.18Buy on ↗
- THERMOSTAT GASKET$2.90· $11.95 ↗
Fuel System (9)
Fuel Feed Pump Dte — Yanmar 4JHfits: 129158-52101$264.62Buy on ↗
Air Filter V19 — Yanmar 3JH/4JHfits: 20601$56.10Search →
Fuel Filter Series — Yanmar 4JHfits: 129574-55711$46.57Buy on ↗
Orbitrade 8-55712 Fuel Filter Spin-On Element for Yanmar Engines$29.39Buy on ↗
Fuel Filter 4Lh 4Lha V7 — Yanmar 4JH/4JH3fits: 20403$27.53Search →
Orbitrade 8-55713 Fuel Filter Element for Yanmar Diesels (30 Micron)$24.13Search →
Spin On Fuel Filter Element For Yanmar 3JH, 4JH & 4JM Marine Engines$12.85Search →- FUEL FILTERfits: Yanmar 3JH2-E, 3JH2-TE, 3JH3E, 4JH-E AND 4JH-TE, 4JH-HTE AND 4JH-DTE, 4JH2-E AND 4JH2-TE,$12.04Buy on ↗
Fuel Filter V2 — Yanmar 3JH/4JHfits: 20403$10.58Search →
Lubrication (4)
Yanmar 129150-35170 Oil Filter for Yanmar TNE Series Engines$18.66Buy on ↗- OIL FILTERfits: Yanmar 4JH4-TE, 4JH4-HTE, 4JH-E, 4JH-TE, 4JH-HTE, 4JH-DTE, 4JH2-E, 4JH2-TE, 4JH2-HTE, 4JH2$10.76Buy on ↗
Oil Filter Series — Yanmar 4JHfits: 129150-35153$10.58Buy on ↗
Oil Filter — Yanmar 4JH/4JH2/4JH3/4JH4/4JH5fits: 129150-35170$9.53Buy on ↗
Belts (4)
Drive Belt Alternator — Yanmar 4JH2/4JH3fits: 25132-004600e$32.81Buy on ↗
Belt Alternator — Yanmarfits: 25132-004600$26.46Buy on ↗
Alternator Belt — Yanmarfits: 25132-004500$17.98· $17.70 ↗- V-BELT 46"fits: Yanmar 4JH4-TE (Up to 07/2006), 4JH-E, 4JH-TE, 4JH-HTE, 4JH-DTE, 4JH2-E, 4JH2-TE, 4JH2-HTE$14.30Buy on ↗
Electrical (8)
Starter Motor — Yanmar 3HM/3QM30/4JHfits: 710011$602.28Search →
Starter Motor Inboards — Yanmar 3JH2/3JH3/3TNE/4JH/4JH2/4TNEfits: 560105$339.78Search →
Alternator 12V 55A — Yanmarfits: 129772-77200$256.15Buy on ↗
Starter Motor S12 77A V26 — Yanmar 3HM/3JH/4JHfits: 20307$226.52Search →
Starter Motor 3Tn 4Tn V62 — Yanmar 2YM/3JH/3YM/4JHfits: 20307$224.39Search →
Starter Motor — Yanmarfits: 129698-77010$196.88Buy on ↗
Oil Pressure Sender Switch 4Lh — Yanmar 1GM/2GM/3JH/4JHfits: 124060-39452$21.18Buy on ↗
Ignition Key 6Ly — Yanmar 2YM/3YM/3JH/4JH/6LPfits: 123482-91291$14.81Buy on ↗
Gaskets & Seals (10)
Gasketkit Series — Yanmar 4JHfits: 729470-92605$239.22Buy on ↗
Cylinderhead Gasket Turbo — Yanmar 4JH3fits: 129693-01331$149.25Search →
Cylinderhead Gasket — Yanmar 4JH3Efits: 129408-01330$107.96Buy on ↗- Gasket Valve Cover Ute E — Yanmar 4JH/4JH2/4JH3fits: 129550-11310$55.04Buy on ↗
Cylinderhead Gasket Series — Yanmar 4JHfits: 129553-01350$47.64Buy on ↗
Gasket — Yanmar 4JHfits: 129150-01511$38.10· $22.92 ↗
Oil Pan Gasket — Yanmar 4JHfits: 129400-01751$33.88· $26.40 ↗
Exhaust Gasket Series V52 — Yanmar 3JH/4JHfits: 20612$19.05Search →
Gasket Turbo Series — Yanmar 4JHfits: 129472-13520$14.81Search →
Gasket Exhaust Manifold Series V10 — Yanmar 4JHfits: 20612$11.63Search →
Exhaust (9)
- Mixing Elbow In Stainless Steel Hdi Premium Hdigm2 Jhb — Yanmar 3JH/4JH$760.00Search →
- Mixing Elbow In Stainless Steel Hdi Premium Hdigm2 Jhb90 — Yanmar 3JH/4JH$760.00Search →
Exhaust Elbow Stainless 80 — Yanmar 4JHfits: 16836$559.94Buy on ↗
Exhaust Elbow Hte Dte Hte Te — Yanmar 4JH3/4JH4fits: 129673-13552$459.39Buy on ↗
Exhaust Elbow — Yanmar 4JH/4JH2$306.96Search →
Exhaust Elbow In Stainless Steel Hdi Premium Hdijh — Yanmar 3JH/4JH$275.21Search →
Exhaust Elbow — Yanmar 3JH2/3JH3/3JH5/4JH/4JH2/4JH3fits: 13561$190.53Buy on ↗
Exhaust Elbow 2 2 Series V30 — Yanmar 3JH/4JHfits: 20105$159.83Search →
Exhaust Elbow Stainless Steel Version — Yanmar 4JH/4JH2$7.41Search →
Service Kits (3)
Engine Mechanical (1)
Main Bearing 3Tn 4Tn — Yanmar 4JH/4JH2/4JH3/3JH/3JH2fits: 129150-02800$30.70· $49.31 ↗
Part data aggregated from marine-diesel parts catalogues. As an Amazon Associate, SailPages earns from qualifying purchases.
