Yanmar 3JH2E
1989–199938 HP3-cylinderdiesel
Dieselheat exchanger cooledinboard
Second-gen three-cylinder JH. Common in 32-40ft boats.
Specifications
| Power | 38 HP @ 3,000 RPM | Cylinders | 3 |
| Displacement | 1496 cc (91.3 ci) | Bore x Stroke | 84 x 90 mm |
| Fuel Type | Diesel | Aspiration | Naturally Aspirated |
| Cooling | Heat exchanger | Drive | Inboard |
| Weight | 195 kg (430 lb) | Dimensions (LxWxH) | 782 x 511 x 587 mm |
| Fuel Use | 7.12 L/hr | Oil Capacity | 4.9 L |
| Transmission | KBW10E |
Parts for the Yanmar 3JH2E
51 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 (11)
- 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 ↗
- IMPELLERfits: Yanmar 4JH2-HTE AND 4JH2- DTE$86.46Buy on ↗
Johnson MC97 Pump Impeller for Johnson F4B, F5B, Volvo Pump (12 Blade)$63.40Search →
Jabsco Flexible Neoprene Pump Impeller (Spline Drive / 12 Blades)$46.71Search →
CEF Neoprene Pump Impeller for Johnson F4B and F5B Pump (12 Blade)$36.04Search →- COOLANT PUMP GASKET$6.24Search →
- THERMOSTAT COVER GASKET$4.18Buy on ↗
- IMPELLER O-RINGfits: Yanmar 3JH2-E, 3JH2-TE, 4JH-E, 4JH-TE, 4JH-HTE, 4JH-DTE, 4JH2-E, 4JH2-TE, 4JH2-HTE, 4JH2-$3.36Buy on ↗
- THERMOSTAT GASKET$2.90
· $11.95 ↗
Fuel System (7)
Fuel Feed Pump Dte — Yanmar 4JHfits: 129158-52101$264.62Buy on ↗
Air Filter V19 — Yanmar 3JH/4JHfits: 20601$56.10Search →
Orbitrade 8-55712 Fuel Filter Spin-On Element for Yanmar Engines$29.39Buy on ↗
Crosland Spin On Fuel Filter Element for Yanmar Engines (as CFF100146)$16.07Search →
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 (6)
Mann W 67/1 Spin On Oil Filter for Kubota Nanni Beta Yanmar$16.90Search →
Yanmar 119305-35170 Oil Filter for TNV & Some TNE Series Engines$15.76Buy on ↗
Oil Filter Kubota Onan — Yanmarfits: 119305-35151$10.58Buy on ↗- Yanmar Oil Filterfits: Yanmar 1GM, 1GM10, 2GM, 2GMF, 3GM, 3GMF, 2GM20, 2GM20F, 2GM20F-YEU, 2GM20-YEU, 3GM30, 3GM3$10.24Buy on ↗
Oil Filter Genuine — Yanmarfits: 119305-35151$9.53Buy on ↗
Crosland Marine Spin-On Oil Filter Element M20x1.5mm (Yanmar) as F129$9.46Search →
Belts (2)
Alternator Belt — Yanmarfits: 25132-004500$17.98· $17.70 ↗- V-BELT A44fits: Yanmar 3JH2-E$13.50· $24.12 ↗
Anodes (2)
Electrical (8)
- STARTERfits: 3JH2E, 3JH2-TE, 4JH2-E, 4JH2-TE, 4JH2-HTE, 4JH2-DTE, 4JH2-UTE, 4JH3-TE, 4JH3-HTE, 4JH3-DTE$835.58Buy on ↗
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 (5)
Orbitrade 60004 Gasket & O-Ring Kit for Yanmar Engines 3JH2E & 3JH2-TE$372.97Search →
Gasket Kit Series — Yanmar 3JH2fits: 729171-92600$232.87Search →
Cylinderhead Gasket Series — Yanmar 3JH2fits: 129171-01330$78.32Buy on ↗
Exhaust Gasket Series V52 — Yanmar 3JH/4JHfits: 20612$19.05Search →
Jabsco 3298-0000 End Cover Plate Gasket for Jabsco & Johnson 3/4" Pump$6.78Search →
Exhaust (5)
- 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 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 →
Service Kits (3)
Service Kit Te Yansrv 30 — Yanmar 3JH2$103.73Search →
Service Kit E Yansrv 29 — Yanmar 3JH2$102.68Search →
Piston Ring Kit 3Tn 4Tn — Yanmar 3JH2/4JH2fits: 729120-22500$76.22· $52.15 ↗
Engine Mechanical (2)
Mount Marked — Yanmar 2GM/2YM/3GM/3YM/3HM/3JHfits: 100-124772-08341$232.87Search →
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.
