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We will be closing at 12 PM EST on Friday, April 18th, in observance of Good Friday and Easter.
Any orders placed after this time will be processed on Monday, April 21st.
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Due to severe weather, our White House, Tennesee location will be closed Wednesday the 19th.

All shipments from this location will resume on Thursday the 20th. Thank you for your patience!

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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: 640
    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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  2. Volvo Penta 23219274 Motor Oil Gallon Vds-4.5 Sae 15W-40
    VDS-4.5 Diesel Engine Oil SAE 15W-40 - 1 Gallon | Volvo Penta 23219274
    VOLVO-23219274
    Qty In Stock: 745
    Brand: Volvo Penta

    Volvo Penta brand high performance heavy duty VDS-4.5 15W-40 diesel engine oil in a 1 gallon plastic jug.

    Learn More
    MSRP: $40.00 $37.68
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  3. Small Image
    1 quart 10W-40 Full Synthetic Engine Oil | Volvo Penta 21681794
    VOLVO-21681794
    Qty In Stock: 915
    Brand: Volvo Penta
    OEM 21681794 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: $15.90 $15.86
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  4. Small Image
    1 quart 10W-30 Gasoline Engine Oil | Volvo Penta 3847302
    VOLVO-3847302
    Qty In Stock: 171
    Brand: Volvo Penta
    OEM Volvo Penta 10W-30 oil is formulated for gasoline marine engines to protect against wear under severe running conditions. Learn More
    MSRP: $14.13 $11.31
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