Yanmar 1GM10
1983–20049 HP1-cylinderdiesel
Dieselraw water cooledinboard
Upgraded single-cylinder. Most popular small sailboat diesel. 9HP, extremely reliable.
Specifications
| Power | 9 HP @ 3,400 RPM | Cylinders | 1 |
| Displacement | 318 cc (19.4 ci) | Bore x Stroke | 75 x 72 mm |
| Fuel Type | Diesel | Aspiration | Naturally Aspirated |
| Cooling | Raw water | Drive | Inboard |
| Weight | 52 kg (115 lb) | Dimensions (LxWxH) | 554 x 410 x 485 mm |
| Fuel Use | 1.69 L/hr | Oil Capacity | 1.3 L |
| Transmission | KM2A |
Parts for the Yanmar 1GM10
53 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)
Sea Water Pump — Yanmar 1GM/1GM10fits: 128170-42200$373.64Buy on
↗
Jabsco Neoprene Pump Impeller Kit (Single Flat Drive / 6 Blades)$76.97Buy on ↗- THERMOSTAT$51.84Buy on ↗
Jabsco 1414-0001-P Neoprene Impeller Kit$45.17Buy on ↗
Orbitrade 8-24002 Impeller Kit for Yanmar Engine 1GM Cooling Pumps$34.07Buy on ↗
Oil Seal Sea Water Pump — Yanmar 1GM/1GM10fits: 128170-42110$11.63
· $15.68 ↗
Ball Bearing Water Pump — Yanmar 1GM/1GM10fits: 24101-060004$10.58Buy on ↗
Water Seal Sea Water Pump — Yanmar 1GM/1GM10fits: 124240-91450$9.53· $15.78 ↗
Thermostat Gasket — Yanmar 1GM/1GM10/2GM/2GM20/3GM/3GM30fits: 104211-49160$9.53· $15.78 ↗
Water Pump Gasket B — Yanmar 1GM/1GM10/1GM10C/1GM10L/1GM10VEfits: 128170-42090$7.41· $10.00 ↗- Zinc / Thermostat Gasket$2.76Search →
Fuel System (8)
Fuel Pump — Yanmar 1GM/1GM10/2QM20/3QM30fits: 105582-52010$63.51Buy on ↗- Yanmar Air Filter ( Intake Element )fits: Yanmar 1GM10$34.54Buy on ↗
Orbitrade 8-56540 Air Filter Insert for Yanmar 1GM10 Engines$29.10Search →
Air Filter Insert — Yanmar 1GM10fits: 128171-12540$28.58Buy on ↗
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 (8)
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 ↗
Oil Pump Gasket B — Yanmar 1GM/1GM10/1GM10C/1GM10L/1GM10VEfits: 128170-32030$3.18Search →
Belts (4)
- Yanmar V-Belt (M31)fits: Yanmar 2QM15, SB12, SVE12, 1GM10 (Serial #E00336 & after)$19.00Search →
Belt Alternator V45 — Yanmar 1GM/1GM10fits: 20603$15.88Buy on ↗
Alternator Belt — Yanmar 1GM10fits: 1982-105582-77790e$15.88Buy on ↗- Yanmar V-Belt (M29)fits: Yanmar 1GM, 1GM10 (Up to serial #E00335)$6.50Buy on ↗
Anodes (6)
Zinc Pencil Engine Anode for Yanmar (M8 Thread)$20.78Search →
Orbitrade 8-20020 Zinc Anode for Yanmar Engines 1GM and 6LY3$19.96Search →
Zinc Pencil Engine Anode for Yanmar YS (M8 Thread)$6.63Search →- Yanmar Zincfits: Yanmar 1GM, 1GM10, 6LY3-UTP, 6LY3-STP, 6LY3-ETP$6.44Buy on ↗
- Yanmar 1GM10 engine anode 27210-200200fits: 27210-200200$5.17Buy on ↗
- Yanmar Zinc Gasketfits: Yanmar 2QM20, 3QM30, 1GM, 3QM30, 1GM10, 2GM , 3GM , 2GM20 , 2GM20-YEU, 3GM30, 3GM30-YEU, 3$3.56· $5.00 ↗
Electrical (1)
Starter Motor — Yanmarfits: 129698-77010$196.88Buy on ↗
Gaskets & Seals (5)
Orbitrade 60001 Gasket & O-Ring Kit for Yanmar Engines 1GM10 (9HP)$220.42Buy on ↗
Gasket Kit — Yanmar 1GM10fits: 728171-92601$171.47· $50.78 ↗
Cylinder Head Gasket V18 — Yanmar 1GM10fits: 20612$21.18Search →
Valve Cover Gasket B — Yanmar 1GM/1GM10/1GM10C/1GM10L/1GM10VEfits: 128170-11310$11.63Search →
Gasket Breather Cover — Yanmar 1GM/1GM10fits: 128170-03070$2.12· $9.85 ↗
Service Kits (3)
Engine Mechanical (7)
Cylinder Head Assy — Yanmar 1GM/1GM10fits: 728170-11700$1,452.24Search →
Piston Assy Original — Yanmar 1GM10/2GM20/3GM30fits: 105311-22090$205.34Buy on ↗
Mount Front Marked 70 — Yanmar 1GM/1GM10fits: 128170-08350$193.71Search →
Mount Rear Marked 50 — Yanmar 1GM/1GM10fits: 128170-08340$193.71Search →
R&D Flexible Engine Mount 1GM10 for Yanmar Engines (40-131LBS)$79.87Search →
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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