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Yanmar Seawater Pumps

Shop Yanmar Seawater Pumps – Reliable Aftermarket Marine Engine Cooling

Keep your Yanmar engine performing at its best with our high-quality aftermarket Yanmar seawater pumps. Designed to replace OEM parts like 128377-42500, 119773-42652, 119773-42502, 128397-42500, 128990-42500, 119574-42502, 119578-42501, 129271-42503 & 129670-42514, these pumps provide reliable marine engine cooling for 3-cylinder, 4-cylinder, and 6-cylinder Yanmar engines. While we primarily stock aftermarket pumps, genuine Yanmar OEM parts are available upon request for complete engine maintenance and overhauls.

  • Aftermarket Yanmar seawater pumps for 3, 4 & 6-cylinder engines
  • Replaces OEM part numbers 128377-42500, 119773-42652, 119773-42502, 128397-42500 & more
  • Durable, corrosion-resistant impeller pumps
  • Designed for high-performance cooling in saltwater conditions
  • Genuine Yanmar OEM parts available on request

Whether performing routine maintenance or upgrading your engine cooling system, our Yanmar aftermarket seawater pumps ensure dependable operation and long-lasting performance.

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  • Aftermarket Yanmar 128377-42500 Seawater Pump Aftermarket Yanmar 128377-42500 Seawater Pump

    Aftermarket Yanmar 128377-42500 Seawater Pump

    Aftermarket Yanmar 128377-42500 Seawater Pump Replaces Yanmar part no. 128377-42500 Replaces SPX Johnson part no. 10-24509-02, F4B-902 Suits Yanmar engines: 2GM20-YEU, 3GM30-YEU (only suits European made models) For freshwater cooled models 2GM20F-YEU,...

    $726.66
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  • Aftermarket Yanmar 119773-42652 Seawater Pump With Ports Aftermarket Yanmar 119773-42652 Seawater Pump With Ports

    Aftermarket Yanmar 119773-42652 Seawater Pump With Ports

    Aftermarket Yanmar 119773-42652 Seawater Pump With Ports Replaces Yanmar part no. 119773-42501, 119773-42500, 119773-42650, 119773-42652 Replaces SPX Johnson part no. 10-24493-02 Suits Yanmar engines: 6LP(A)-DTE(P), 6LP(A)-STE(P), 6LPA-STP2 Pump does...

    $1,466.63
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  • Aftermarket Yanmar 119773-42502 Seawater Pump Without Ports Aftermarket Yanmar 119773-42502 Seawater Pump Without Ports

    Aftermarket Yanmar 119773-42502 Seawater Pump Without Ports

    Aftermarket Yanmar 119773-42502 Seawater Pump Without Ports Replaces Yanmar part no. 119773-42501, 119773-42500, 119773-42650, 119773-42652 Replaces SPX Johnson part no. 10-24493-01 Suits Yanmar engines: 6LP(A)-DTE(P), 6LP(A)-STE(P), 6LPA-STP2,...

    $996.51
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  • Aftermarket Yanmar 128397-42500 & 128990-42500 Seawater Pump Aftermarket Yanmar 128397-42500 & 128990-42500 Seawater Pump

    Aftermarket Yanmar 128397-42500 & 128990-42500 Seawater Pump

    Aftermarket Yanmar 128397-42500 & 128990-42500 Seawater Pump Replaces Yanmar part no. 128397-42500, 128990-42500 Replaces SPX Johnson part no. 10-24509-01, 10-13337-01, F4B-903 Suits Yanmar engines: 2GM20F-YEU, 3GM30F-YEU (European models only)...

    $577.50
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  • Aftermarket Yanmar 119574-42502 Seawater Pump Aftermarket Yanmar 119574-42502 Seawater Pump

    Aftermarket Yanmar 119574-42502 Seawater Pump

    Aftermarket Yanmar 119574-42502 Seawater Pump Replaces Yanmar part number: 119574-42502 Suits Yanmar engines: 6LY2-ST, 6LY2-STVY, 6LY2-WST, 6LY2-WDT, 6LY2-WDTZY, 6LY2M-WDT, 6LY2MWST, 6LYA-STP, 6LYA-STE, 6LYA-UTE, 6LY2-STE, 6LY2A-STP, 6LY2A-UTP Seawater...

    $1,852.09
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  • Aftermarket Yanmar 119578-42501 Seawater Pump Aftermarket Yanmar 119578-42501 Seawater Pump

    Aftermarket Yanmar 119578-42501 Seawater Pump

    Aftermarket Yanmar 119578-42501 Seawater Pump Replaces Yanmar part number: 119578-42501 Suits Yanmar engines: 6LY3-ETP, 6LY3-STP, 6LY3-UTP, 6LY3-STC, 6LY3-UTC, 6LY3-ETP 24, 6LY3-STP 24, 6LY3-UTP 24, 6LY3-STC 24, 6LY3-UTC 24 Seawater pump by Sweedish...

    $1,520.46
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  • Aftermarket Yanmar 129271-42503 Seawater Pump Aftermarket Yanmar 129271-42503 Seawater Pump

    Aftermarket Yanmar 129271-42503 Seawater Pump

    Aftermarket Yanmar 129271-42503 Seawater Pump Replaces Yanmar part number: 129271-42502, 129271-42503 Suits Yanmar engines: 3JH4E, 3JH5E, 3JH40, 4JH5E, 4JH4E, 4JH4AE, 4JH45, 4JH57, 4JH80, 4JH110, Seawater pump by Sweedish company Albinus.  

    $811.60
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  • Aftermarket Yanmar 129670-42514 Seawater Pump Aftermarket Yanmar 129670-42514 Seawater Pump

    Aftermarket Yanmar 129670-42514 Seawater Pump

    Aftermarket Yanmar 129670-42514 Seawater Pump Replaces Yanmar part number: 129670-42500, 129670-42501, 129670-42510 , 129670-42511, 129670-42512, 129670-42513, 129670-42514 Suits Yanmar engines: 4JH3-THE, 4JH3-DTE, 4JH3E, 4JH3CE, 4JH3CE1, 4JH3-TE,...

    $984.50
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