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Inboard Diesel

Inboard Diesel Engines & Parts

Keep your vessel running at peak performance with our extensive range of inboard diesel engines and parts. We stock genuine and high-quality aftermarket components from trusted brands like Volvo Penta Diesel, Cummins, Caterpillar, Mercruiser Diesel, Yanmar, Vetus, Nanni Diesel and more. Explore our selection of engines, service kits, filters, seals, gaskets, impellers and other essential marine diesel parts to ensure reliability, efficiency and longevity for your boat.

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  • Genuine Volvo Penta 845261 Exhaust Elbow Genuine Volvo Penta 845261 Exhaust Elbow

    Genuine Volvo Penta 845261 Exhaust Elbow

    Replaces Volvo Penta part number: 845261 Suits Volvo Penta engines: AQAD30A, AQAD40A, AQAD40B, AQD40A, TAMD30A, TAMD40A, TAMD40B, TMD30A, TMD40A, TMD40B, TMD40C Installation may require the following additional parts (see picture 2): 21325765 exhaust...

    $768.02
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  • Genuine Sherwood P1730C Cummins 5265994 Seawater Pump Genuine Sherwood P1730C Cummins 5265994 Seawater Pump

    Genuine Sherwood P1730C Cummins 5265994 Seawater Pump

    Replaces Cummins / Sherwood part number: 5265994, P1730C Used on Cummins engines: All Cummins 6BTA’s & 6CTA’s, 255 / 270 / 330 / 350 / 370 / 450 / 480CE / Diamonds (since about 1995), & QSL9

    $2,296.75
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  • Aftermarket Sherwood 29000K Cummins Seawater Impeller Aftermarket Sherwood 29000K Cummins Seawater Impeller

    Aftermarket Sherwood 29000K Cummins Seawater Impeller

    Aftermarket Sherwood 29000K Cummins Seawater Impeller Replaces Cummins / Sherwood part number:  29000K Used on Cummins engines: QSM11 (10 tooth spline generally after 2011) Kit includes: Cover plate o-ring & impeller lubricant Impeller...

    $260.00
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  • Genuine Sherwood 29000K Cummins Seawater Impeller

    Genuine Sherwood 29000K Cummins Seawater Impeller

    Genuine Sherwood 29000K Cummins Seawater Impeller Replaces Cummins / Sherwood part number:  29000K Used on Cummins engines: QSM11 (10 tooth spline generally after 2011) Impeller specifications: Material: Neoprene Diameter: 95mm Width: 102mm Shaft...

    $658.82
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  • Genuine Sherwood 18000K Cummins 4933743 Seawater Impeller Genuine Sherwood 18000K Cummins 4933743 Seawater Impeller

    Genuine Sherwood 18000K Cummins 4933743 Seawater Impeller

    Genuine Sherwood 18000K Cummins 4933743 Seawater Impeller Replaces Cummins / Sherwood part number: 4933743, 4019403, 4019416, 4019406, 4019403 & 18000K Used on Cummins engines: QSM11 (14 tooth spline generally pre 2011) Impeller...

    $588.70
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  • Aftermarket Sherwood 15000K Cummins 3916720 Seawater Impeller Aftermarket Sherwood 15000K Cummins 3916720 Seawater Impeller

    Aftermarket Sherwood 15000K Cummins 3916720 Seawater Impeller

    Aftermarket Sherwood 15000K Cummins 3916720 Seawater Impeller Replaces Cummins / Sherwood part number: 3916720, 15000K Used on Cummins engines: 4BTA, 6BTA (JWAC Only) Kit includes: Cover plate gaskets / o-rings & impeller lubricant Impeller...

    $71.50
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  • Genuine Sherwood 15000K Cummins 3916720 Seawater Impeller Genuine Sherwood 15000K Cummins 3916720 Seawater Impeller

    Genuine Sherwood 15000K Cummins 3916720 Seawater Impeller

    Genuine Sherwood 15000K Cummins 3916720 Seawater Impeller Replaces Cummins / Sherwood part number: 3916720, 15000K Used on Cummins engines: 4BTA, 6BTA (JWAC Only) Impeller specifications: Material: Neoprene Diameter: 65mm Width: 51mm Shaft type: keyway...

    $161.10
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  • Aftermarket Sherwood 10615K Cummins 3908220 Seawater Impeller Aftermarket Sherwood 10615K Cummins 3908220 Seawater Impeller

    Aftermarket Sherwood 10615K Cummins 3908220 Seawater Impeller

    Aftermarket Sherwood 10615K Cummins 3908220 Seawater Impeller Replaces Cummins / Sherwood part number: 3908220, 10615K Used on Cummins engines: 4BT, 6BT with Sherwood M71 seawater pump Kit includes: Cover plate gaskets / o-rings & impeller lubricant...

    $47.78
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  • Genuine Sherwood 10615K Cummins 3908220 Seawater Impeller Genuine Sherwood 10615K Cummins 3908220 Seawater Impeller

    Genuine Sherwood 10615K Cummins 3908220 Seawater Impeller

    Genuine Sherwood 10615K Cummins 3908220 Seawater Impeller Replaces Cummins / Sherwood part number: 3908220, 10615K Used on Cummins engines: 4BT, 6BT with Sherwood M71 seawater pump Impeller specifications: Material: Neoprene Diameter: 65mm Width: 41mm...

    $99.84
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  • Aftermarket Sherwood 26000K Cummins 3972366 Seawater Impeller Aftermarket Sherwood 26000K Cummins 3972366 Seawater Impeller

    Aftermarket Sherwood 26000K Cummins 3972366 Seawater Impeller

    Aftermarket Sherwood 26000K Cummins 3972366 Seawater Impeller Replaces Cummins / Sherwood part number: 3972366 , 26000K Used on Cummins engines: QSC 8.3 Kit includes: Cover plate o-ring & impeller lubricant Impeller specifications: Material: Neoprene...

    $290.40
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  • Genuine Sherwood 26000K Cummins 3972366 Seawater Impeller Genuine Sherwood 26000K Cummins 3972366 Seawater Impeller

    Genuine Sherwood 26000K Cummins 3972366 Seawater Impeller

    Genuine Sherwood 26000K Cummins 3972366 Seawater Impeller Replaces Cummins / Sherwood part number: 3972366 , 26000K Used on Cummins engines: QSC 8.3 Impeller specifications: Material: Neoprene Diameter: 95mm Width: 80mm Shaft type: 10 tooth spline

    $537.85
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  • Aftermarket Sherwood 27000K Cummins 3974456 Seawater Impeller Aftermarket Sherwood 27000K Cummins 3974456 Seawater Impeller

    Aftermarket Sherwood 27000K Cummins 3974456 Seawater Impeller

    Aftermarket Sherwood 27000K Cummins 3974456 Seawater Impeller Replaces Cummins / Sherwood part number: 3974456, 27000K Used on Cummins engines: Engines with Sherwood 1730 pump and all QSB engines. Kit includes: Cover plate o-ring & impeller lubricant...

    $100.90
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  • Aftermarket Sherwood 17000K Cummins 3897337 Seawater Impeller Aftermarket Sherwood 17000K Cummins 3897337 Seawater Impeller

    Aftermarket Sherwood 17000K Cummins 3897337 Seawater Impeller

    Aftermarket Sherwood 17000K Cummins 3897337 Seawater Impeller Replaces Cummins / Sherwood part number: 3897337, 17000K Used on Cummins engines: 6BTA (SWAC), 6CTA, QSL9 with Sherwood Pumps Kit includes: Cover plate o-ring & impeller lubricant Impeller...

    $110.00
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  • Genuine Sherwood 17000K Cummins 3897337 Seawater Impeller Genuine Sherwood 17000K Cummins 3897337 Seawater Impeller

    Genuine Sherwood 17000K Cummins 3897337 Seawater Impeller

    Genuine Sherwood 17000K Cummins 3897337 Seawater Impeller Replaces Cummins / Sherwood part number: 3897337, 4942087, 17000K Used on Cummins engines: 6BTA (SWAC), 6CTA, QSL9 with Sherwood Pumps Impeller specifications: Material: Neoprene Diameter:...

    $197.69
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  • Genuine Sherwood 27000K Cummins 3974456 Seawater Impeller Genuine Sherwood 27000K Cummins 3974456 Seawater Impeller

    Genuine Sherwood 27000K Cummins 3974456 Seawater Impeller

    Genuine Sherwood 27000K Cummins 3974456 Seawater Impeller Replaces Cummins / Sherwood part number: 3974456, 27000K Used on Cummins engines: Engines with Sherwood 1730 pump and all QSB engines. Impeller specifications: Material: Neoprene Diameter: 84mm...

    $286.46
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  • Cummins Oil Filter Replacement Fleetguard LF3894

    Cummins Oil Filter Replacement Fleetguard LF3894

    Cummins Oil Filter Replacement Fleetguard LF3894 Replaces Cummins part number: LF3894 Suits Cummins engines: All B and QSB engines   This filter is the upgraded version of LF3349, LF3552 & LF3959 This is a Fleetguard part LF3894.

    $34.10
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