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Inboard & I/O Engine Parts

Inboard Marine Engine Parts and Accessories

As the largest online dealer of inboard boat parts, Marine Parts Source will help you find the right engine parts you need for any project. We’re here to assist with seasonal maintenance, major repairs and more so you can get back on the water. Use our convenient categories to browse our collection — or if you know the part number you need, enter it into the search bar. From oil and fuel filters to spark plugs, exhaust manifolds, bell housings, starters and alternator belts, we supply boat owners from coast to coast.

You can always count on quality and knowledge when you shop with us. We’re an authorized dealer of the leading OEM and aftermarket performance inboard marine brands, including J&N Electric, Sierra, Arco Marine, Volvo Penta and Crusader. If you have a question, our sales associates have the technical expertise to answer it. Enjoy free ground shipping on qualifying orders so your vessel is ready for adventure.

Inboard & I/O Engine Parts

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    1 Gallon 10W-40 Full Synthetic Engine Oil | Volvo Penta 21681795
    VOLVO-21681795
    Qty In Stock: 668
    Brand: Volvo Penta
    OEM 21681795 Volvo Penta 10W-40 synthetic oil is formulated for gasoline marine engines to provide maximum protection against wear under severe running conditions. Learn More
    MSRP: $58.40 $44.93
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    Power Tilt & Trim Pump Kit | Volvo Penta 21945915
    VOLVO-21945915
    Qty In Stock: 0
    Brand: Volvo Penta
    OEM Volvo Penta 21945915 kit includes tilt & trim pump, cover & new style hose kit. Learn More
    MSRP: $1,722.00 $1,461.20
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  3. Small Image
    Spin-On Fuel Filter | Volvo Penta 3862228
    VOLVO-3862228
    Qty In Stock: 670
    Brand: Volvo Penta
    Replacement OEM Volvo Penta 6 micron fuel water filter fits many different Volvo Penta gasoline marine engines. Learn More
    MSRP: $16.80 $15.27
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  4. Starter Motor | Volvo Penta 24074116
    Starter Motor | Volvo Penta 24074116
    VOLVO-24074116
    Qty In Stock: 52
    Brand: Volvo Penta

    Starter motor for many late model Volvo Penta engines including V6-200, V6-240, V6-280, V8-300, V8-350, V8-380 and V8-430 models.

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    MSRP: $524.00 $399.99
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    Impeller Kit | Volvo Penta 21951348
    VOLVO-21951348
    Qty In Stock: 282
    Brand: Volvo Penta

    OEM Volvo Penta impeller kit for many different Volvo Penta gasoline marine engines with crankshaft mounted pumps

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    MSRP: $88.20 $77.93
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  6. Small Image
    High-Capacity Spin-On Gasoline Fuel Filter | Volvo Penta 3847644
    VOLVO-3847644
    Qty In Stock: 363
    Brand: Volvo Penta
    Replacement OEM Volvo Penta 6-micron fuel water filter fits many different Volvo Penta gasoline marine engines. Learn More
    MSRP: $24.60 $22.14
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  7. Volvo 21700445 Volvo Penta Impeller Kit
    Volvo Penta Impeller Kit | Volvo 21700445
    VOLVO-21700445
    Qty In Stock: 314
    Brand: Volvo Penta
    OEM Volvo Penta impeller kit that fits a variety of Volvo Penta gasoline marine engines with crankshaft mounted pumps. Learn More
    MSRP: $91.20 $79.73
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  8. Small Image
    Pulley Driven Raw Water Pump | Volvo Penta 3858847
    VOLVO-3858847
    Qty In Stock: 52
    Brand: Volvo Penta
    OEM pulley driven sea water pump with V-belt pulley fits many different Volvo Penta gasoline marine engines from 1994 to 1996. Learn More
    MSRP: $490.00 $412.47
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  9. Small Image
    Spark Plug Kit Iridium, Pack of 4 | Volvo Penta 21467472
    VOLVO-21467472
    Qty In Stock: 71
    Brand: Volvo Penta

    Spark Plug Iridium 4 Pack

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    MSRP: $72.80 $62.13
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    Engine Oil Filter | Volvo Penta 8692305
    VOLVO-8692305
    Qty In Stock: 534
    Brand: Volvo Penta
    Late model Volvo Penta cartridge style oil filter insert. Learn More
    MSRP: $17.40 $17.05
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    Gasoline Engine Oil Filter | Volvo Penta 3850559
    VOLVO-3850559
    Qty In Stock: 241
    Brand: Volvo Penta
    Original Volvo Penta GM long style engine oil filter. Learn More
    MSRP: $15.60 $14.07
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  12. Volvo Penta Marine Sensor - 3843750
    Idle Air Control Sensor | Volvo Penta 3843750
    VOLVO-3843750
    Qty In Stock: 12
    Brand: Volvo Penta
    IAC sensor receives throttle position setting signals from ECM. Learn More
    MSRP: $391.00 $340.34
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