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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 25W40 4-Stroke Marine Oil | Quicksilver 92-8M0078620
    QS-92-8M0078620
    Qty In Stock: 264
    Brand: Quicksilver

    1 Gallon 25W40 4-Stroke Marine Oil

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    MSRP: $46.19 $41.99
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  2. Large Image
    GM Short Oil Filter | Quicksilver 35-866340Q03
    QS-35-866340Q03
    Qty In Stock: 724
    Brand: Quicksilver

    OE replacement oil filter removes contaminants from engine oil. Popular lube filter for inline 4 cylinder, inline 6 cylinder, and GM V8 Mercruiser engines as well as Mercruiser V6 & V8 engines with remote oil filter.

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    MSRP: $10.99 $9.99
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  3. Quicksilver 8M0047215 Gen III Cool Fuel Module Kit
    Gen III Cool Fuel Module Kit | Quicksilver 8M0047215
    QS-8M0047215
    Qty In Stock: 1
    Brand: Quicksilver

    Gen III Cool Fuel Module serivice kit for Mercruiser 5.0L thru 8.1L engines includes the complete module with improved hose connections.

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    MSRP: $1,987.69 $1,806.99
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  4. Large Image
    Water Separating Spin-On Fuel Filter | Quicksilver 35-802893Q01
    QS-35-802893Q01
    Qty In Stock: 1204
    Brand: Quicksilver

    Fuel Filter 25 Micron

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    MSRP: $14.84 $13.49
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  5. Quicksilver 33-896329838 Champion Spark Plug #QL78V
    Champion Spark Plug #QL78V | Quicksilver 33-896329838
    QS-33-896329838
    Qty In Stock: 14
    Champion Spark Plug #QL78V Learn More
    MSRP: $15.10 $13.15
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  6. Quicksilver 50-863007A1 GM Staggered Bolt Starter
    GM V8 Staggered Bolt Starter | Quicksilver 50-863007A1
    QS-50-863007A1
    Qty In Stock: 43
    Brand: Quicksilver

    Starter Assembly

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    MSRP: $276.09 $250.99
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  7. Quicksilver 807078T10 GM Big Block V8 Exhaust Manifold Kit
    Mercruiser V8 Big Block Exhaust Manifold Kit | Quicksilver 807078T10
    QS-807078T10
    Qty In Stock: 6
    Brand: Quicksilver

    Quicksilver saltwater manifold for Mercruiser GM V8 454 and 502 CID marine engines from 1981-up. Fits either port or starboard side.

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    MSRP: $598.39 $543.99
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  8. SM Quicksilver 864612T01
    Mercruiser V6 Dry Joint Exhaust Manifold | Quicksilver 864612T01
    QS-864612T01
    Qty In Stock: 9
    Brand: Quicksilver

    Quicksilver manifold for Mercruiser V6 262 CID marine engines from 2002 and newer. Fits either port or starboard side.

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    MSRP: $524.69 $476.99
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  9. Fuel Injector | Quicksilver 861260T
    Fuel Injector | Quicksilver 861260T
    QS-861260T
    Qty In Stock: 4
    Brand: Quicksilver

    Fuel Injector

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    MSRP: $205.14 $186.49
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  10. LG Quicksilver 8M0098795
    Short Aluminum Hub Bravo Drive Coupler | Quicksilver 8M0098795
    QS-8M0098795
    Qty In Stock: 43
    Brand: Quicksilver

    Flywheel mounted engine to drive coupler with short aluminum hub used on a variety of Mercruiser engines with Bravo I, II & III drive units.

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    MSRP: $787.04 $715.49
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  11. Mercury 863631T1 Housing Assembly
    Water Distribution Housing Assembly | Quicksilver 863631T1
    QS-863631T1
    Qty In Stock: 24
    Brand: Quicksilver

    Water Distribution Housing Assembly

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    MSRP: $311.58 $296.00
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  12. Quicksilver 27-8M0204687 Gasket - Pack of 5
    Gasket | Quicksilver 27-8M0204687
    QS-27-8M0204687
    Qty In Stock: 15

    Gasket

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    MSRP: $6.20 $5.64
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