Yanmar 2QM20
1977–198322 HP2-cylinderdiesel
Dieselraw water cooledinboard
Higher-output two-cylinder from the QM series.
Specifications
| Power | 22 HP @ 3,200 RPM | Cylinders | 2 |
| Displacement | 594 cc (36.2 ci) | Bore x Stroke | 72 x 73 mm |
| Fuel Type | Diesel | Aspiration | Naturally Aspirated |
| Cooling | Raw water | Drive | Inboard |
| Weight | 110 kg (243 lb) | Dimensions (LxWxH) | 592 x 465 x 508 mm |
| Fuel Use | 4.12 L/hr | Transmission | KBW10 |
Parts for the Yanmar 2QM20
40 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)
Thermostat — Yanmar 2QM15/2QM20fits: 124770-49200$67.74
· $62.60 ↗- THERMOSTAT$59.64· $39.78 ↗
- IMPELLERfits: Yanmar 2QM20, 3QM30, 3QM30, 2GMF, 3GMF, 2GM20F, 3GM30F, 3HM, 3HMF, 3HM35, 3HM35F, 2QM$55.76Buy on
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Johnson MC97 Pump Impeller 09-1026B for Johnson F4/F5 Pumps (6 Blade)$47.64Buy on ↗
Jabsco Neoprene Pin Drive Pump Impeller (6 Blades, 40mm OD x 19mm W)$45.17Search →
Orbitrade 8-24003 Impeller Kit for Yanmar Engine Cooling Pumps$41.83Buy on ↗
Orbitrade 8-24001 Impeller Kit for Yanmar Engine Cooling Pumps$30.23Buy on ↗
CEF Impeller for Johnson F4B & F5B Pumps (Neoprene)$27.22Search →- IMPELLER GASKETfits: Yanmar 2QM20, 3QM30, 3QM30, 2GMF, 3GMF, 2GM20F, 3GM30F, 3HM, 3HMF, 3HM35, 3HM35F, 2QM$4.46Buy on ↗
- THERMOSTAT GASKET$2.56Search →
- Buy oncomplete raw sea water pump assembly (Yanmar pump family 724770-42700 / -42701 / -42702) for the Yanmar 2QM20fits: 724770-42700, 724770-42701 ↗
Fuel System (7)
Fuel Filter — Yanmar 2QM/2YM/3QM/3YMfits: 121370-55601$243.45Buy on ↗
Fuel Pump — Yanmar 1GM/1GM10/2QM20/3QM30fits: 105582-52010$63.51Buy on ↗- Yanmar Air Filter ( Intake Element )fits: Yanmar 2QM20, 3QM30, 3QM30, 3HM, 3HMF, 3HM35, 3HM35F, 2QM15, 2QM, 3QM$35.06Buy on ↗
Air Filter — Yanmar 2QM15/2QM20/3QM30/2QM/3QM/3HMfits: 124770-12540$25.40Buy on ↗- Yanmar Fuel Filterfits: Yanmar 2QM, 3QM$19.06· $8.25 ↗
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 ↗
Lubrication (4)
Orbitrade 8-35113 Spin On Oil Filter Element for Yanmar Engines$17.46Search →
Fram PH5317 Spin-On Oil Filter Element for Mitsubishi 2-Cyl Engines$15.80Search →- Yanmar Oil Filterfits: Yanmar 2QM20, 3QM30, 3QM30, 3HM, 3HMF, 3HM35, 3HM35F, 2QM, 3QM$10.92· $15.43 ↗
Oil Filter Hm Qm Series — Yanmar 3HM/3QM/2QMfits: 124550-35110$9.53Search →
Belts (2)
- Yanmar V-BELTfits: Yanmar 2QM, 3QM$14.27· $11.99 ↗
- Yanmar V-Beltfits: Yanmar 2QM20, 3QM30$9.47· $13.97 ↗
Anodes (7)
Orbitrade 8-20030 Zinc Anode for Yanmar Engines$21.89Buy on ↗
Zinc Pencil Engine Anode for Yanmar (M8 Thread)$20.78Buy on ↗
Anode Zinc 12 Ysm8 12 Series — Yanmar 2GM/3GM/3HM/2QM/3QM/YSB8fits: 01313$14.81Buy on ↗
Zinc Pencil Engine Anode for Yanmar YS (M8 Thread)$6.63Buy on ↗- Yanmar Zincfits: Yanmar 2QM20, 3QM30, 3QM30, 2GM , 3GM , 2GM20 , 2GM20-YEU, 3GM30, 3GM30-YEU, 3HM, 2QM15, Y$6.58Buy 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 (3)
Gaskets & Seals (3)
Exhaust (2)
Exhaust Elbow — Yanmar 2QM/2QM20fits: 724770-13200$1,376.04· $210.93 ↗- Exhaust Elbow — Yanmar 2QM/2QM20$211.69Search →
Service Kits (1)
Service Kit Yansrv 22 — Yanmar 2QM20$158.77Buy on ↗
Part data aggregated from marine-diesel parts catalogues. As an Amazon Associate, SailPages earns from qualifying purchases.
