Yanmar 3GM30
1983–200427 HP3-cylinderdiesel
Dieselraw water cooledinboardsaildrive
Three-cylinder diesel for 30-38ft boats. Very common in production sailboats.
Specifications
| Power | 27 HP @ 3,400 RPM | Cylinders | 3 |
| Displacement | 953 cc (58.2 ci) | Bore x Stroke | 75 x 72 mm |
| Fuel Type | Diesel | Aspiration | Naturally Aspirated |
| Cooling | Raw water | Drive | Inboard, Saildrive |
| Weight | 148 kg (326 lb) | Dimensions (LxWxH) | 735 x 455 x 495 mm |
| Fuel Use | 5.06 L/hr | Oil Capacity | 2.6 L |
| Transmission | KM3 |
Parts for the Yanmar 3GM30
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 (13)
Raw Water Pump — Yanmar 2GM/3GMfits: 728270-42002$358.83Buy on
↗
Sea Water Pump — Yanmar 2GM20/3GM30fits: 128397-42500$299.56Buy on ↗
Shaft Sea Water Pump Ysm — Yanmar 2GM/3GM/2GM20/3GM30fits: 124070-42061$131.24Search →
Johnson MC97 Pump Impeller 09-1026B for Johnson F4/F5 Pumps (6 Blade)$47.64Buy on ↗
Johnson MC97 Pump Impeller 09-810B for Johnson F4 Pumps (6 Blade)$47.38Buy on ↗
Jabsco Neoprene Pin Drive Pump Impeller (6 Blades, 40mm OD x 19mm W)$45.17Search →
Pulley Water Pump — Yanmar 2GM/2GM20/3GM/3GM30/2YM20/3YM30fits: 124070-42400$40.22Search →- 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 ↗
CEF Pump Impeller 09-810B-1 for F4 Pumps (6 Blade)$27.44Buy on ↗
CEF Impeller for Johnson F4B & F5B Pumps (Neoprene)$27.22Search →
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 (8)
Fuel Pump — Yanmar 2GM20/3GM30/3HM35fits: 129301-52020$281.56Buy 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 ↗
Crosland Spin On Fuel Filter Element for Yanmar Engines (as CFF100146)$16.07Search →
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 (7)
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 ↗
Mann L10199US Marine Spin-On Oil Filter Element M20 x 1.5mm$11.07Search →
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 (4)
Alternator Belt — Yanmar 2GM20/3GM30/3HMfits: 128670-77350$26.46Buy on ↗- Yanmar W/P V-Belt ( M19 )fits: Yanmar 2GM , 2GMF, 3GM , 3GMF, 2GM20 , 2GM20F, 2GM20-YEU, 2GM20F-YEU, 3GM30, 3GM30F, 3GM30$19.40Buy on ↗
Belt Alternator — Yanmarfits: 25132-003000$14.81Buy on ↗- Yanmar V-Belt ( A-31 )fits: Yanmar 2GM20 , 3GM30, 3HM$9.58Buy on ↗
Anodes (7)
Orbitrade 8-20030 Zinc Anode for Yanmar Engines$21.89Search →
Zinc Pencil Engine Anode for Yanmar (M8 Thread)$20.78Search →
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 3GM30 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 ↗
Gaskets & Seals (4)
Exhaust (2)
Service Kits (3)
Shaft Kit Pump — Yanmar 2GM20/2GM20F/2YM15/3GM30/3GM30F/3YM20fits: 128990-42560$105.85· $164.67 ↗
Orbitrade 8-10010 Service Kit for Yanmar Engines 2GM & 3GM$96.93Search →
Piston Ring Kit 20 30 Std V4 — Yanmar 1GM10/2GM20C/2GM20F/3GM30fits: 20608$43.39Search →
Engine Mechanical (3)
Piston Assy Original — Yanmar 1GM10/2GM20/3GM30fits: 105311-22090$205.34Buy on ↗
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 ↗
Part data aggregated from marine-diesel parts catalogues. As an Amazon Associate, SailPages earns from qualifying purchases.
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