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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 49-60 of 2643

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  1. Sierra 18-8860 Mercruiser GM Big Block Fuel Pump
    Mercruiser Mechanical Fuel Pump | Sierra 18-8860
    SIERRA-18-8860
    Qty In Stock: 31

    Sierra aftermarket mechanical fuel pump for Mercruiser 7.4L & 8.2L marine engine applications. Includes the engine mounting gasket.

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    MSRP: $219.89 $159.69
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  2. Small Image
    Cylinder Head Gasket Set | Sierra 18-4384
    SIERRA-18-4384
    Qty In Stock: 14
    Brand: Sierra
    Cylinder Head Gasket Set Learn More
    MSRP: $170.29 $108.93
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  3. Indmar 756002 Spark Plug Wire Set
    Delco EST Spark Plug Wire Set | Indmar 756002
    IND-756002
    Qty In Stock: 26
    Brand: Indmar
    OEM Indmar spark plug wire set for V8 GM 350 & 383 cu. in. small block marine engines with Delco EST ignition system. Learn More
    MSRP: $110.36 $87.96
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  4. Small Image
    Fuel Filter Element & Canister | Sierra 18-7861
    SIERRA-18-7861
    Qty In Stock: 63
    Brand: Sierra
    Aftermarket replacement fuel filter & canister used on many early model Crusader & OMC marine engines. Learn More
    MSRP: $37.49 $24.98
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  5. Pleasurecraft Marine RP061022 Raw Water Pump/Impeller
    Raw Water Pump/Impeller | Pleasurecraft Marine RP061022
    PCM-RP061022
    Qty In Stock: 70
    Brand: Pleasurecraft Marine
    Raw Water Pump Impeller Service Kit Learn More
    MSRP: $58.95 $54.19
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  6. 3 Wire Replacement Exhaust Diverter Solenoid | Corsa Performance 10875
    3-Wire Replacement Exhaust Diverter Solenoid | Corsa 10875
    COR-10875
    Qty In Stock: 24
    Brand: Corsa Performance

    Replacement three-wire solenoid for CORSA Captain's Call with black weather-proof plug replaces 2005 model year to current.

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    MSRP: $275.00 $215.30
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  7. GM V8 EST Distributor | Crusader RA107039D
    GM V8 EST Distributor | Crusader RA107039D
    CRU-RA107039D
    Qty In Stock: 16
    Brand: Crusader

    Electronic distributor for Crusader GM V8 marine engines with Delco EST ignition.

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    MSRP: $531.27 $509.69
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  8. Large Image
    Captain's Call Diverter Repair Kit - 4 in. | Corsa Performance 10826
    COR-10826
    Qty In Stock: 11
    Brand: Corsa Performance
    Everything needed to repair 1 pair of Corsa 4 in. exhaust diverter flappers. Learn More
    MSRP: $269.00 $232.99
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  9. Pierburg Electric Fuel Pump | Indmar 556184
    Pierburg Electric Fuel Pump | Indmar 556184
    IND-556184
    Qty In Stock: 37
    Brand: Indmar
    OEM fuel pump used on many Indmar EFI marine engines found in Malibu & Supra boats from 2003-2009. Learn More
    MSRP: $329.80 $262.83
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  10. Crusader impeller kit with o-rings - RP061022
    Impeller Kit With O-Ring | Crusader RP061022
    CRU-RP061022
    Qty In Stock: 165
    Brand: Crusader

    Original equipment Crusader kit includes impeller and sealing o-rings for Crusader RA057032 serpentine driven raw water pumps.

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    MSRP: $58.95 $51.56
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  11. Sierra 116-254-3120 Exoflex Hose
    3-1/2 inch Exoflex Exhaust/Water Hose, sold per foot | Sierra 116-254-3120-1
    SIERRA-116-254-3120-1
    Qty In Stock: 83
    Features a corrugated exterior and is internally reinforced by wire to prevent hose from collapsing. Primarily used for connections in marine wet exhaust and engine water circulation applications, especially where significant bends of hose are required. Designed to resist heat, exhaust gases, ozone, antifreeze, and saltwater Learn More
    MSRP: $40.82 $34.02
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  12. MMD Powerline 22898 Crusader Fuel Pump Kit
    Crusader Fuel Pump Kit | MMD Powerline 22898
    MMD-22898
    Qty In Stock: 20

    Replacement electric fuel pump kit for Crusader 454XL and 502XL carbureted engines with fuel pump mounted to a bracket on the cylinder head.

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    MSRP: $363.83 $330.75
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Items 49-60 of 2643

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