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Celebrating over 50 years of Trusted Marine Service
Over 50 years of Trusted Marine Service

Yanmar Engine Maintenance Parts

Yanmar Engine Maintenance Parts

Yanmar engine maintenance parts are essential service components used to keep Yanmar marine diesel engines running efficiently and reliably. These parts are typically replaced during scheduled maintenance intervals and help maintain proper fuel delivery, lubrication, and cooling system performance. 

Key Maintenance Parts

Common Yanmar engine maintenance parts include:

  • Engine Oil Filters – remove contaminants from engine oil to protect internal components.

  • Fuel Filters – filter debris and water from diesel fuel before it reaches injectors.

  • Air Filters / Air Cleaner Elements – ensure clean airflow for proper combustion.

  • Seawater Pump Impellers – circulate cooling water through the engine cooling system.

  • Drive Belts / V-Belts – power alternators, water pumps, and other accessories.

  • O-Rings and Gaskets – maintain leak-free seals between engine components.

  • Anodes (zincs) – protect the engine cooling system from corrosion.

  • Thermostats and seals – regulate engine operating temperature.

Compatible Engines / Applications

Maintenance parts are available for a wide range of Yanmar marine diesel engines, including:

  • GM Series – 1GM10, 2GM20, 3GM30

  • YM Series – 2YM15, 3YM20, 3YM30

  • JH Series – 3JH, 4JH, 4JH4, 4JH5

  • LH Series – 4LH engines

  • LY Series – 6LY marine engines

These engines are commonly installed in sailboats, cruisers, fishing vessels, and commercial marine applications.

Function

Routine replacement of maintenance parts helps ensure:

  • Proper engine lubrication and cooling

  • Clean fuel delivery to injectors

  • Improved engine efficiency and reliability

  • Reduced risk of unexpected breakdowns

Regular service using correct maintenance parts helps extend engine life and maintain peak performance.

⚠️ Fitment Tip:
Always confirm compatibility using the engine model and serial number. Yanmar maintenance parts and service kits are engine-specific, and the correct components depend on the exact engine model and configuration.

Filters

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Yanmar Impeller Kit 119773-42640 - 6LP 6LPA Seawater Pump Service Kit

$77.16 - $77.16
$77.16
$77.16 - $77.16
$77.16
in stock

The Yanmar 119773-42640 Impeller Kit is a complete seawater pump service kit designed specifically for Yanmar 6LP and 6LPA marine diesel engines. T...

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$77.16 - $77.16
$77.16
$77.16 - $77.16
$77.16

Yanmar Seawater Pump Impeller Kit 128990-42570

$26.83 - $26.83
$26.83
$26.83
$26.83 - $26.83
$26.83
Only 2 left!

The Yanmar 128990-42570 Seawater Pump Impeller Kit is a genuine Yanmar cooling-pump service kit used on select GM and YM series marine diesel engin...

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$26.83 - $26.83
$26.83
$26.83
$26.83 - $26.83
$26.83

WIX Oil Filter 51064 for Yanmar - Replaces Baldwin B227

$0.00 - $0.00
$0.00
$22.58
$22.58 - $22.58
$22.58
Only 1 left!

WIX Oil Filter — 51064 (Replaces Baldwin B227) The WIX 51064 Oil Filter is a heavy-duty spin-on engine oil filter commonly used in industrial ...

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$0.00 - $0.00
$0.00
$22.58
$22.58 - $22.58
$22.58

WIX Oil Filter 51358 for Yanmar

$25.64 - $25.64
$25.64
$25.64
$25.64 - $25.64
$25.64
Only 1 left!

WIX Oil Filter for Yanmar Marine Diesel Engines Premium WIX oil filter provides superior engine protection by removing contaminants and maintaining...

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$25.64 - $25.64
$25.64
$25.64
$25.64 - $25.64
$25.64

WIX Oil Filter 57254 - Replaces Yanmar 119770-90620

$0.00 - $0.00
$0.00
$62.55
$62.55 - $62.55
$62.55
Only 1 left!

WIX Oil Filter — 57254 (Replaces Yanmar 119770-90620) The WIX 57254 Oil Filter is a heavy-duty spin-on engine oil filter commonly used as a re...

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$0.00 - $0.00
$0.00
$62.55
$62.55 - $62.55
$62.55

Yanmar 165000-69590 Oil Filter Element

$0.00 - $0.00
$0.00
$78.99
$78.99 - $78.99
$78.99
Only 1 left!

The Yanmar 165000-69590 Oil Filter Element is a genuine OEM-style engine oil filter cartridge designed for select Yanmar marine diesel engines. It ...

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$0.00 - $0.00
$0.00
$78.99
$78.99 - $78.99
$78.99

Yanmar Impeller 127610-42270

$65.53 - $65.53
$65.53
$65.53
$65.53 - $65.53
$65.53
Only 2 left!

OEM Yanmar impeller engineered for reliable cooling system performance in marine diesel engines. Precision-manufactured to exact specifications for...

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$65.53 - $65.53
$65.53
$65.53
$65.53 - $65.53
$65.53

Yanmar Water Pump Impeller 128176-42071 - 1GM10 Marine Diesel Engine

$41.20 - $41.20
$41.20
$41.20 - $41.20
$41.20
Only 4 left!

Genuine Yanmar Water Pump Impeller for 1GM10 Engines - Professional Marine Component OEM water pump impeller designed for Yanmar 1GM10 marine diese...

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$41.20 - $41.20
$41.20
$41.20 - $41.20
$41.20

Zinc Pencil Anode Plug ED0090802150-S Lombardini ZF 1/4 BSPT

$58.78 - $58.78
$58.78
$58.78 - $58.78
$58.78
Only 1 left!

The ED0090802150-S is a zinc anode plug used as a pencil-anode style corrosion-protection part in marine engine cooling systems. Current references...

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$58.78 - $58.78
$58.78
$58.78 - $58.78
$58.78

Yanmar OEM Zinc Anode Screw 27210-200300

$4.88 - $4.88
$4.88
$4.88
$4.88 - $4.88
$4.88
Only 1 left!

The Yanmar 27210-200300 is a genuine OEM zinc anode screw used as an internal engine corrosion-protection part on select Yanmar marine diesel appli...

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$4.88 - $4.88
$4.88
$4.88
$4.88 - $4.88
$4.88

Yanmar Thermostat Gasket 119773-49570 - Marine Diesel Engine

$6.98 - $6.98
$6.98
$6.98
$6.98 - $6.98
$6.98
Only 3 left!

Genuine Yanmar Thermostat Gasket - Professional Marine Engine Component OEM thermostat gasket designed for Yanmar marine diesel engines. Precision...

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$6.98 - $6.98
$6.98
$6.98
$6.98 - $6.98
$6.98

Yanmar Thermostat Gasket 129150-49811 - Marine Diesel Engine

$3.59 - $3.59
$3.59
$3.59
$3.59 - $3.59
$3.59
Only 2 left!

Genuine Yanmar Thermostat Gasket - Professional Marine Engine Component OEM thermostat gasket designed for Yanmar marine diesel engines. Precision-...

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$3.59 - $3.59
$3.59
$3.59
$3.59 - $3.59
$3.59

Yanmar Thermostat 119773-49550 - 70°C Marine Diesel Engine

$157.22 - $157.22
$157.22
$157.22
$157.22 - $157.22
$157.22
Only 4 left!

Genuine Yanmar 70°C Thermostat - Professional Marine Diesel Engine Component OEM thermostat designed for Yanmar marine diesel engines with a 70°C ...

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$157.22 - $157.22
$157.22
$157.22
$157.22 - $157.22
$157.22

Yanmar Thermostat 105582-49200 - Marine Diesel Engine

$65.85 - $65.85
$65.85
$65.85
$65.85 - $65.85
$65.85
Only 4 left!

Genuine Yanmar Thermostat - Professional Marine Engine Component OEM thermostat designed for Yanmar marine diesel engines. Precision-engineered tem...

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$65.85 - $65.85
$65.85
$65.85
$65.85 - $65.85
$65.85

Yanmar Metal Gray Marine Engine Paint - OEM Touch-Up Paint

$40.85 - $40.85
$40.85
$40.85
$40.85 - $40.85
$40.85
Only 2 left!

Yanmar Metal Gray Marine Engine Paint This genuine Yanmar metal gray paint is specifically formulated for marine engines, providing authentic color...

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$40.85 - $40.85
$40.85
$40.85
$40.85 - $40.85
$40.85

Yanmar Marine Engine Thermostat - OEM Cooling System Component

$128.70 - $128.70
$128.70
$128.70
$128.70 - $128.70
$128.70
Only 1 left!

OEM Thermostat for Yanmar Marine Engines This genuine Yanmar thermostat is designed for marine engines, regulating coolant temperature to maintain ...

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$128.70 - $128.70
$128.70
$128.70
$128.70 - $128.70
$128.70

Yanmar OEM Internal Engine Anode 27210-200200

$10.56 - $10.56
$10.56
$10.56
$10.56 - $10.56
$10.56
Only 3 left!

The Yanmar 27210-200200 is a genuine OEM sacrificial anode designed for Yanmar marine diesel engines, providing cathodic protection for internal co...

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$10.56 - $10.56
$10.56
$10.56
$10.56 - $10.56
$10.56

Yanmar OEM Internal Engine Anode 120650-18530

$44.68 - $44.68
$44.68
$44.68
$44.68 - $44.68
$44.68
Only 4 left!

Genuine OEM Yanmar sacrificial anode (part number 120650-18530) designed to protect your engine's cooling system from galvanic corrosion. This fact...

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$44.68 - $44.68
$44.68
$44.68
$44.68 - $44.68
$44.68

Yanmar OEM Internal Engine Anode 120650-13420

$28.16 - $28.16
$28.16
$28.16 - $28.16
$28.16
Only 3 left!

The Yanmar 120650-13420 is a genuine OEM sacrificial anode designed for Yanmar marine diesel engines, providing cathodic protection for internal co...

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$28.16 - $28.16
$28.16
$28.16 - $28.16
$28.16

Yanmar V-Belt- 27" Marine Diesel Engine Drive Belt

$27.18 - $27.18
$27.18
$27.18
$27.18 - $27.18
$27.18
Only 2 left!

Yanmar V-Belt 27" - OEM Marine Diesel Engine Drive BeltGenuine Yanmar V-belt engineered for reliable power transmission in marine diesel engines. T...

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$27.18 - $27.18
$27.18
$27.18
$27.18 - $27.18
$27.18

Yanmar Fuel Filter – 129574-55711

$0.00 - $0.00
$0.00
$66.58
$66.58 - $66.58
$66.58
Only 1 left!

Yanmar OEM Fuel Filter – 129574-55711Genuine Yanmar OEM fuel filter with water separation for marine diesel engines. Removes contaminants and water...

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$0.00 - $0.00
$0.00
$66.58
$66.58 - $66.58
$66.58

Yanmar OEM Fuel Filter Water Separator Assembly 41650-502330-12

$85.21 - $85.21
$85.21
$85.21
$85.21 - $85.21
$85.21
in stock

The Yanmar 41650-502330-12 is a genuine OEM fuel filter / water separator assembly for select Yanmar marine diesel applications. Current parts refe...

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$85.21 - $85.21
$85.21
$85.21
$85.21 - $85.21
$85.21
Sold out

Yanmar Pump Gear 119773-42520 - Marine Diesel Engine

$187.29 - $187.29
$187.29
$187.29
$187.29 - $187.29
$187.29
Out of stock

Yanmar 119773-42520 is a genuine OEM gear pump / sea water pump drive gear used in selected Yanmar marine diesel cooling-system assemblies. Current...

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$187.29 - $187.29
$187.29
$187.29
$187.29 - $187.29
$187.29
Sold out

Yanmar Fuel Filter ED0021752880-S - Kohler Marine Diesel Engine

$36.77 - $36.77
$36.77
$36.77
$36.77 - $36.77
$36.77
Only 1 left!

Genuine Yanmar Fuel Filter for Kohler Engines - Professional Marine Component OEM fuel filter designed for Kohler marine diesel engines. High-effic...

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$36.77 - $36.77
$36.77
$36.77
$36.77 - $36.77
$36.77