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Yanmar 3YM20

Yanmar 3YM20 Parts

Power: 20hp@3600rpm - Oil capacity: Approximately 2.4 to 2.7 Litres

Keypart sell genuine and replacement Yanmar 3YM20 engine service items. Shop below to find replacement parts for your Yanmar 3YM20.

Engine

20hp@3600rpm

Lubricants

Engine oil capacity is approximately 2.4 to 2.7 Litres

  • 23909453 - Yanmar 3YM20 Diesel Engine VDS-3 15W/40 Volvo Engine Oil 1-Litre - Genuine (Not available to customers outside the UK)
    23909453
    VDS-3 15W/40 Volvo Engine Oil 1-Litre - Genuine (Not available to customers outside the UK)
    £12.31 (inc VAT)
    £10.26 (ex VAT)
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  • 33799-0000 - Yanmar 3YM20 Diesel Engine Oil Change Pump Kit (Universal)
    33799-0000
    Oil Change Pump Kit (Universal)
    £78.00 (inc VAT)
    £65.00 (ex VAT)
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  • 23068343 - Yanmar 3YM20 Diesel Engine VDS-4.5 15W/40 High-performance Volvo Engine Oil 5-Litre - Genuine (Not available to customers outside the UK) - (may be mixed with VDS-3)
    23068343
    VDS-4.5 15W/40 High-performance Volvo Engine Oil 5-Litre - Genuine (Not available to customers outside the UK) - (may be mixed with VDS-3)
    £51.96 (inc VAT)
    £43.30 (ex VAT)
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  • 23039851 - Yanmar 3YM20 Diesel Engine VDS-4.5 15W/40 High-performance Volvo Engine Oil 20-Litre - Genuine (Not available to customers outside the UK) - (may be mixed with VDS-3)
    23039851
    VDS-4.5 15W/40 High-performance Volvo Engine Oil 20-Litre - Genuine (Not available to customers outside the UK) - (may be mixed with VDS-3)
    £129.60 (inc VAT)
    £108.00 (ex VAT)
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Cooling System

Fuel System (Engine)

Optional Fuel System Components

For additional types of Fuel Filters & Elements, please visit the Racor & Separ sections of our Website. These can be found under the "Accessories" heading on our Home Page.

  • 3581078-R - Yanmar 3YM20 Diesel Engine Fuel Filter for CAV/Delphi 296 Pre-filter (Optional) - Replacement
    3581078-R
    Yanmar 3YM20 Fuel Filter for CAV/Delphi 296 Pre-filter (Optional) - Replacement
    £7.31 (inc VAT)
    £6.09 (ex VAT)
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  • 36-17 - Yanmar 3YM20 Diesel Engine Seal Kit for CAV/Delphi 296 Pre-filter
    36-17
    Yanmar 3YM20 Seal Kit for CAV/Delphi 296 Pre-filter
    £4.92 (inc VAT)
    £4.10 (ex VAT)
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Electrical System

  • Awaiting
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    129608-77010
    Yanmar 3YM20 Starter Motor Assembly - Genuine
    £521.26 (inc VAT)
    £434.38 (ex VAT)
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  • Awaiting
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    128271-77200-R
    Yanmar 3YM20 14V/60 Alternator Assembly - Replacement - (up to Serial Number E11906)
    £590.27 (inc VAT)
    £491.89 (ex VAT)
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  • 119831-42290E - Yanmar 3YM20 Diesel Engine Alternator Drive Belt - Genuine - (to 06/2004)
    119831-42290E
    Yanmar 3YM20 Alternator Drive Belt - Genuine - (to 06/2004)
    £17.47 (inc VAT)
    £14.56 (ex VAT)
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  • 129612-42290E - Yanmar 3YM20 Diesel Engine Alternator Drive Belt - (from 06/2004)
    129612-42290E
    Yanmar 3YM20 Alternator Drive Belt - (from 06/2004)
    £23.82 (inc VAT)
    £19.85 (ex VAT)
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  • Awaiting
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    128990-77250
    Yanmar 3YM20 12V/120A Alternator Assembly - Genuine - from Serial Number E11906)
    £495.94 (inc VAT)
    £413.28 (ex VAT)
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  • Awaiting
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    128790-77580
    Yanmar 3YM20 Serpentine Belt - Genuine - (for 12V/120A Alernators - Serial E11906 and up)
    £18.84 (inc VAT)
    £15.70 (ex VAT)
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Repair Items

Repair Kits

  • 828254-R - Yanmar 3YM20 Diesel Engine Rubber Stuffing Box for 25 mm Shaft with Sleeve Diameter of 42mm - Replacement
    828254-R
    Yanmar 3YM20 Rubber Stuffing Box for 25 mm Shaft with Sleeve Diameter of 42mm - Replacement
    £83.58 (inc VAT)
    £69.65 (ex VAT)
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  • 828422-R - Yanmar 3YM20 Diesel Engine Rubber Stuffing Box for 30 mm Shaft wiith Sleeve Diameter of 48mm - Replacement
    828422-R
    Yanmar 3YM20 Rubber Stuffing Box for 30 mm Shaft wiith Sleeve Diameter of 48mm - Replacement
    £108.00 (inc VAT)
    £90.00 (ex VAT)
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  • 828526-R - Yanmar 3YM20 Diesel Engine Rubber Stuffing Box for 35 mm Shaft with Sleeve Diameter of 54mm - Replacement
    828526-R
    Yanmar 3YM20 Rubber Stuffing Box for 35 mm Shaft with Sleeve Diameter of 54mm - Replacement
    £141.12 (inc VAT)
    £117.60 (ex VAT)
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  • 828527-R - Yanmar 3YM20 Diesel Engine Rubber Stuffing Box for 40 mm Shaft with Sleeve Diameter of 60mm - Replacement
    828527-R
    Yanmar 3YM20 Rubber Stuffing Box for 40 mm Shaft with Sleeve Diameter of 60mm - Replacement
    £148.68 (inc VAT)
    £123.90 (ex VAT)
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  • 828254 - Yanmar 3YM20 Diesel Engine Rubber Stuffing Box for 25 mm Shaft with Sleeve Diameter of 42mm - Genuine
    828254
    Yanmar 3YM20 Rubber Stuffing Box for 25 mm Shaft with Sleeve Diameter of 42mm - Genuine
    £116.64 (inc VAT)
    £97.20 (ex VAT)
    View Product Add
  • 828422 - Yanmar 3YM20 Diesel Engine Rubber Stuffing Box for 30 mm Shaft wiith Sleeve Diameter of 48mm - Genuine
    828422
    Yanmar 3YM20 Rubber Stuffing Box for 30 mm Shaft wiith Sleeve Diameter of 48mm - Genuine
    £140.40 (inc VAT)
    £117.00 (ex VAT)
    View Product Add
  • 828526 - Yanmar 3YM20 Diesel Engine Rubber Stuffing Box for 35 mm Shaft with Sleeve Diameter of 54mm - Genuine
    828526
    Yanmar 3YM20 Rubber Stuffing Box for 35 mm Shaft with Sleeve Diameter of 54mm - Genuine
    £181.44 (inc VAT)
    £151.20 (ex VAT)
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  • 828527 - Yanmar 3YM20 Diesel Engine Rubber Stuffing Box for 40 mm Shaft with Sleeve Diameter of 60mm - Genuine
    828527
    Yanmar 3YM20 Rubber Stuffing Box for 40 mm Shaft with Sleeve Diameter of 60mm - Genuine
    £207.36 (inc VAT)
    £172.80 (ex VAT)
    View Product Add
  • 3819724 - Yanmar 3YM20 Diesel Engine Rubber Stuffing Box For 1" Shaft with Sleeve Diameter of 1-3/4"- Genuine
    3819724
    Yanmar 3YM20 Rubber Stuffing Box For 1" Shaft with Sleeve Diameter of 1-3/4"- Genuine
    £120.96 (inc VAT)
    £100.80 (ex VAT)
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  • 828250 - Yanmar 3YM20 Diesel Engine 25G Tube Of Grease for Rubber Stuffing Box - Genuine
    828250
    Yanmar 3YM20 25G Tube Of Grease for Rubber Stuffing Box - Genuine
    £4.97 (inc VAT)
    £4.14 (ex VAT)
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Zinc Shaft Clamp Anodes - Seawater Use

Chemicals

Please note: It is NOT possible to ship most liquids by air. Aerosols can ONLY be purchased by customers in England, Scotland and Wales.

Tools & Manuals


3YM20 Diesel Engine

International delivery

Fully stocked warehouses

Distribution network

Technical Advice