Two-cylinder auxiliary diesel. Workhorse engine for 25-32ft sailboats.
Specifications
| Power | 15 HP @ 3,400 RPM | Cylinders | 2 |
| Displacement | 635 cc (38.8 ci) | Bore x Stroke | 75 x 72 mm |
| Fuel Type | Diesel | Aspiration | Naturally Aspirated |
| Cooling | Raw water | Drive | Inboard |
| Weight | 95 kg (209 lb) | Dimensions (LxWxH) | 638 x 455 x 495 mm |
| Fuel Use | 2.81 L/hr | Oil Capacity | 2 L |
| Transmission | KM2A |
Parts for the Yanmar 2GM
65 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 (13)
Sea Water Pump — Yanmar 2GM/3GM/2GMF/3GMFfits: 121575-42001$657.32Search
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Raw Water Pump — Yanmar 2GM/3GMfits: 728270-42002$358.83Buy on ↗
Circulation Water Pump V54 — Yanmar 2GM/3GM/3HMfits: 20113$165.12Search →
Shaft Sea Water Pump Ysm — Yanmar 2GM/3GM/2GM20/3GM30fits: 124070-42061$131.24Search →
Johnson Impeller Kit F4 MC97$48.39Buy on ↗
Johnson MC97 Pump Impeller 09-810B for Johnson F4 Pumps (6 Blade)$47.38Buy on ↗
Pulley Water Pump — Yanmar 2GM/2GM20/3GM/3GM30/2YM20/3YM30fits: 124070-42400$40.22Search →
Johnson MC97 Pump Impeller 09-806B-1 for Johnson F35 Pumps (6 Blade)$39.29Buy on ↗- IMPELLERfits: Yanmar 2GM , 3GM , 2GM20 , 3GM30, 2QM15, SB8, SB12, SVE8, SVE12, YSB8, YSB12, YSE8, YSE12,$38.60Buy on ↗
Orbitrade 8-24001 Impeller Kit for Yanmar Engine Cooling Pumps$30.23Buy on ↗
Belt Sea Water Pump Ysm V12 — Yanmar 2GM/3GM/2YM/3HMfits: 20603$14.81Search →
Thermostat Gasket — Yanmar 1GM/1GM10/2GM/2GM20/3GM/3GM30fits: 104211-49160$9.53
· $15.78 ↗- IMPELLER GASKETfits: Yanmar 2GM , 3GM , 2GM20 , 3GM30, 2QM15, SB8, SB12, SVE8, SVE12, YSB8, YSB12, YSE8, YSE12,$4.46Buy on ↗
Fuel System (9)
Fuel Injector Nozzle — Yanmar 1GM/2GM/3GMfits: 124770-53001$104.78Buy on ↗- Yanmar Air Filter ( Intake Element )fits: Yanmar 2GM, 2GMF, 3GM , 3GMF, 2GM20 , 2GM20F, 2GM20-YEU, 2GM20F-YEU, 3GM30, 3GM30F, 3GM30-$36.18Buy on ↗
Orbitrade 8-56541 Air Filter Insert for Yanmar 2/3GM & 2/3YM Engines$35.74Buy on ↗
Air Filter V14 — Yanmar 2GM/3GM/2YM/3YMfits: 20601$31.75Search →
Fuel Filter M1 — Yanmar 1GM/2GM/2QM/2YM/3GM/3HM$17.98Search →
Orbitrade 8-55710 Fuel Filter Element for Yanmar Diesel Engines$15.80Buy on ↗- Yanmar Secondary Fuel Filterfits: Yanmar 1GM, 1GM10, 2GM, 2GMF, 3GM, 3GMF, 2GM20, 2GM20F, 2GM20F-YEU, 2GM20-YEU, 3GM30, 3GM3$9.42Buy on ↗
- Yanmar Secondary Fuel Filter O-Ring 1A S-44.0fits: Yanmar Fuel Filter # 104500-55710$2.71Buy on ↗
- Yanmar Nylon Secondary Fuel Filter Housing Bleed Washerfits: Yanmar Fuel Filter # 104500-55710$1.55Search →
Lubrication (6)
Mann W 67/1 Spin On Oil Filter for Kubota Nanni Beta Yanmar$16.90Search →
Fram FT5447 Spin-On Oil Filter for Honda, Mitsubishi & Yanmar Engines$16.00Search →
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 ↗
Belts (3)
Anodes (8)
Orbitrade 8-20030 Zinc Anode for Yanmar Engines$21.89Search →
Zinc Pencil Engine Anode for Yanmar (M8 Thread)$20.78Search →
Anode Zinc 12 Ysm8 12 Series — Yanmar 2GM/3GM/3HM/2QM/3QM/YSB8fits: 01313$14.81Search →
Zinc Pencil Engine Anode for Yanmar YS (M8 Thread)$6.63Search →- Yanmar Zincfits: Yanmar 2QM20, 3QM30, 3QM30, 2GM , 3GM , 2GM20 , 2GM20-YEU, 3GM30, 3GM30-YEU, 3HM, 2QM15, Y$6.58Buy on ↗
- Yanmar 2GM engine anode 27210-200300fits: 27210-200300$5.73Buy on ↗
- Yanmar Zinc Gasketfits: Yanmar 2QM20, 3QM30, 1GM, 3QM30, 1GM10, 2GM , 3GM , 2GM20 , 2GM20-YEU, 3GM30, 3GM30-YEU, 3$3.56· $5.00 ↗
- Zinc Plug Washerfits: Yanmar 2QM20, 3QM30, 3QM30, 2GM , 3GM , 2GM20 , 2GM20-YEU, 3GM30, 3GM30-YEU, 3HM, 3HM35, 2$2.42· $21.95 ↗
Electrical (4)
Starter Motor V30 — Yanmar 1GM/2GM/3GMfits: 20307$315.42Buy on ↗
Ignition Switch With A Panel — Yanmar 1GM/2GM/3GMfits: 124070-91250$137.59· $126.63 ↗
Start Switch — Yanmar 1GM/2GM/3GM/2QMfits: 124070-91300$61.39Buy on ↗
Oil Pressure Sender Switch 4Lh — Yanmar 1GM/2GM/3JH/4JHfits: 124060-39452$21.18Buy on ↗
Gaskets & Seals (8)
Gasket Kit Series V13 — Yanmar 2GMfits: 20612$332.37Buy on ↗
Gasket Kit Series — Yanmar 2GMfits: 728296-92605$182.06Buy on ↗
Lower Gasket Kit Series Yanmar2Gmseries — Yanmar 2GM$156.65Buy on ↗- Gasket Valve Cover — Yanmar 2GMfits: 128270-11310$24.35Search →
Oil Pan Gasket — Yanmar 2GM/2GM20fits: 124000-01751$15.88· $17.22 ↗
Exhaust Gasket — Yanmar 2GM/2YM/3GM/3HM/3YMfits: 128370-13201$12.70Buy on ↗
Valve Cover Gasket — Yanmar 2GM/2GM20fits: 128270-11310$8.47Search →
Valve Stem Seal — Yanmar 1GM/2GM/3GM/3HMfits: 124950-11340$6.35Buy on ↗
Exhaust (6)
Exhaust Mixing Elbow — Yanmar 1GM/2GMfits: 128170-13530$620.27Search →
Exhaust Elbow — Yanmar 2GM/2YM/3GM/3HM/3YMfits: 128370-13530$481.62· $350.00 ↗- Exhaust Bend In Stainless Steel Hdi Premium Hdigml — Yanmar 2GM/3GM/3HM$281.56Search →
Exhaust Elbow In Stainless Steel Hdi Premium Hdigm — Yanmar 2GM/3GM/3HM$254.03Search →
Exhaust Valve M2 — Yanmar 1GM/2GM/3GM$28.58Search →- Exhaust Bend In Stainless Steel Hdi Premium Hdilsb — Yanmar 2GM/2GM20$5.29Search →
Service Kits (1)
Orbitrade 8-10010 Service Kit for Yanmar Engines 2GM & 3GM$96.93Buy on ↗
Engine Mechanical (7)
- Cylinder Head — Yanmar 2GM/2GM20fits: 728272-11700$3,370.22Search →
Mount Marked — Yanmar 2GM/2YM/3GM/3YM/3HM/3JHfits: 100-124772-08341$232.87Search →- Cylinder Liner — Yanmar 2GM/3GMfits: 121450-01100$205.34· $122.68 ↗
Piston Assy — Yanmar 1GM/2GM/2GMF/3GM/3GMF/3GMDfits: 121000-22090$150.30Search →
Connecting Rod Bearing Pair Standard Dimension Original — Yanmar 1GM/1GM10/2GM/2GM20/3GM/3GMDfits: 705311-23600$39.16Buy on ↗
Connecting Rod Bearing Pair Standard Dimension — Yanmar 1GM/1GM10/2GM/2GM20/3GM/3GMDfits: 705311-23600$31.75Buy on ↗
Inlet Valve M1 — Yanmar 1GM/2GM/3GM$28.58Search →
Part data aggregated from marine-diesel parts catalogues. As an Amazon Associate, SailPages earns from qualifying purchases.
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