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We will be closing at 12 PM EST on Friday, April 18th, in observance of Good Friday and Easter.
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Have a happy Easter weekend!

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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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    FWC 454 Engine Hose Kit | Crusader 22606
    CRU-22606
    Qty In Stock: 0
    Brand: Crusader
    FWC 454 Engine Hose Kit Learn More
    MSRP: $352.80 $341.42
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  2. Crusader RA080030A Fuel Control Cell
    Fuel Control Cell | Crusader RA080030A
    CRU-RA080030A
    Qty In Stock: 0
    Brand: Crusader

    Crusader fuel control cell (FCC) used with Crusader 6.0 and 8.1 liter engine models that have a returnless injector rail and return line to the fuel tank.

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    MSRP: $905.40 $794.94
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    Big Block Heat Exchanger | Crusader 98117
    CRU-98117
    Qty In Stock: 0
    Brand: Crusader
    OEM heat exchanger tank fits Crusader closed cooled 454 and 502 XL model marine engines. Learn More
    MSRP: $1,667.92 $1,614.09
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    Oil Filter Adapter | Crusader 719571
    CRU-719571
    Qty In Stock: 0
    Brand: Crusader
    Oil Filter Adapter Learn More
    MSRP: $45.71 $44.25
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  5. Fuel Control Cell Mounting Bracket | Crusader R090179
    Fuel Control Cell Mounting Bracket | Crusader R090179
    CRU-R090179
    Qty In Stock: 0
    Brand: Crusader

    Fuel control cell mounting bracket.  Mounts to cylinder head.

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    MSRP: $46.20 $43.88
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  6. Fuel Control Cell Power Lead, Deutsch Connector | Crusader RA121062A
    Fuel Control Cell Power Lead, Deutsch Connector | Crusader RA121062A
    CRU-RA121062A
    Qty In Stock: 0
    Brand: Crusader

    Fuel Control Cell Power Lead, Deutsch Connector

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    MSRP: $50.40 $47.90
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  7. 8.1 liter Engine Wire Harness | Crusader RA121071B
    8.1 liter Engine Wire Harness | Crusader RA121071B
    CRU-RA121071B
    Qty In Stock: 0
    Brand: Crusader
    ENGINE WIRE HARNESS 8.1 MPI Learn More
    MSRP: $1,565.33 $1,484.02
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  8. Thermostat Housing Elbow | Crusader R024002
    Thermostat Housing Elbow | Crusader R024002
    CRU-R024002
    Qty In Stock: 0
    Brand: Crusader

    Thermostat housing elbow for fresh water cooled engines.

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    MSRP: $83.00 $78.85
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  9. Prestolite Condenser | Crusader R115001
    Prestolite Condenser | Crusader R115001
    CRU-R115001
    Qty In Stock: 0
    Brand: Crusader
    Condenser fits Prestolite point type marine distributors. Learn More
    MSRP: $11.95 $9.70
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  10. Long Cylinder Head Bolt | Crusader R009168
    Long Cylinder Head Bolt | Crusader R009168
    CRU-R009168
    Qty In Stock: 0
    Brand: Crusader
    BOLT,CYLINDER HEAD LONG Learn More
    MSRP: $10.85 $8.96
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  11. Cylinder Head Bolt | Crusader R009215
    Cylinder Head Bolt | Crusader R009215
    CRU-R009215
    Qty In Stock: 0
    Brand: Crusader

    Cylinder head bolt fits Crusader 6.0/6.2 LSA engines.

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    MSRP: $4.49 $3.91
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  12. Oil Line Hose | Crusader RA045120B
    Oil Line Hose | Crusader RA045120B
    CRU-RA045120B
    Qty In Stock: 0
    Brand: Crusader

    Oil line hose

    Learn More
    MSRP: $96.60 $80.11
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