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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. 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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  3. 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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  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 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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  7. 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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  8. 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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  9. SM Quicksilver 8M0061335
    V8 MPI Distributor Cap & Rotor | Quicksilver 8M0061335
    QS-8M0061335
    Qty In Stock: 43

    Original Quicksilver tune up kit for MCM/MIE 5.0L, 5.7L, & 6.2L MPI engines with ECM 555 from 2001-2015 (s/n 0M300000 thru 2A455878).

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    MSRP: $125.39 $113.99
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  10. Quicksilver 98-8M0108208 Coupler Assembly
    Engine Coupler Assembly | Quicksilver 98-8M0108208
    QS-98-8M0108208
    Qty In Stock: 3
    Brand: Quicksilver

    Flywheel mounted engine to drive coupler for Bravo drive units used on the Mercruiser 8.1L 496 MAG and 496 HO models.

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    MSRP: $628.50 $597.08
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  11. Quicksilver 27-46820 Exhaust Manifold Gasket
    Exhaust Manifold Gasket | Quicksilver 27-46820
    QS-27-46820
    Qty In Stock: 8
    Brand: Quicksilver

     Exhaust Manifold Gasket 

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    MSRP: $21.99 $19.99
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  12. Power Steering Hose | Quicksilver 32-90494
    Power Steering Hose | Quicksilver 32-90494
    QS-32-90494
    Qty In Stock: 1

    Power Steering Hose 

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    MSRP: $189.33 $179.86
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