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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

Items 1-12 of 246

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  1. 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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  2. Quicksilver 8.1L/8.2L Exhaust Manifold
    Mercruiser V8 Big Block Exhaust Manifold | Quicksilver 866178T01
    QS-866178T01
    Qty In Stock: 7
    Brand: Quicksilver

    Quicksilver manifold for Mercruiser GM 8.1L 496 CID non -EC marine engines. Fits either port or starboard side.

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    MSRP: $861.29 $782.99
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  3. SM Quicksilver 8M0061335
    V8 MPI Distributor Cap & Rotor | Quicksilver 8M0061335
    QS-8M0061335
    Qty In Stock: 44

    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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  4. Large Image
    GM Short Oil Filter | Quicksilver 35-866340Q03
    QS-35-866340Q03
    Qty In Stock: 728
    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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  5. 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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  6. Quicksilver 47-8M0104229 Impeller Kit
    Sea Water Pump Impeller Kit | Quicksilver 47-8M0104229
    QS-47-8M0104229
    Qty In Stock: 27
    Brand: Quicksilver

    Impeller kit for Mercruiser V6 & V8 engines from 2000 and newer with engine-mounted brass sea water pump.

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    MSRP: $47.29 $42.99
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  7. Large Image
    Idle Air Control Valve | Quicksilver 8M0181068
    QS-8M0181068
    Qty In Stock: 20
    Brand: Quicksilver

    Idle air control valve for a variety of Mercruiser engine models maintains throttle plate bypass air to control idle speed stability and rpm.

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    MSRP: $209.54 $190.49
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  8. 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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  9. Small
    3.0 L/LX Exhaust Manifold Kit | Quicksilver 860235A03
    QS-860235A03
    Qty In Stock: 1
    Brand: Quicksilver

    3.0L/LX Exhaust Manifold Kit

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    MSRP: $647.58 $587.33
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  10. SM Quicksilver 860246A15
    Mercruiser V8 Small Block Exhaust Manifold | Quicksilver 860246A15
    QS-860246A15
    Qty In Stock: 13
    Brand: Quicksilver

    Quicksilver saltwater manifold for Mercruiser GM V8 305, 350, and 377 CID marine engines from 1983-2002. Fits either port or starboard side.

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    MSRP: $424.04 $385.49
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  11. Delco EST 4 Cylinder Spark Plug Wire Set | Quicksilver 84-816761Q14
    Delco EST 4 Cylinder Spark Plug Wire Set | Quicksilver 84-816761Q14
    QS-84-816761Q14
    Qty In Stock: 14
    Brand: Quicksilver
    Quicksilver original equipment spark plug wire set is used on 3.0L & 3.0LX 4 cylinder engines manufactured from 1990 to 2016 using Delco EST electronic distributors. Learn More
    MSRP: $56.09 $50.99
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  12. Quicksilver 46-96148A8 Water Pump Repair Kit
    Water Pump Repair Kit | Quicksilver 46-96148A8
    QS-46-96148A8
    Qty In Stock: 45
    Brand: Quicksilver

    Water Pump Repair Kit

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    MSRP: $62.55 $56.86
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