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We will be closing at 12 PM EST on Friday, April 18th, in observance of Good Friday and Easter.
Any orders placed after this time will be processed on Monday, April 21st.
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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

Items 37-48 of 52

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    Pulley Crankshaft, 1 Groove | Crusader R065045
    CRU-R065045
    Qty In Stock: 0
    Brand: Crusader
    Pulley Crankshaft, 1 Groove Learn More
    MSRP: $37.05 $30.74
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  2. Small Image
    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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  3. Valve Cover Gasket | Crusader RM0282
    Valve Cover Gasket | Crusader RM0282
    CRU-RM0282
    Qty In Stock: 0
    Brand: Crusader

    Valve cover gasket fits Crusader 6.0 liter engines

    Learn More
    MSRP: $55.28 $48.54
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  4. Water Neck | Crusader R025036
    Water Neck | Crusader R025036
    CRU-R025036
    Qty In Stock: 0
    Brand: Crusader
    Water neck connects circulating water pump to hose that goes to heat exchanger on 6.0L Crusader marine engines. Learn More
    MSRP: $48.66 $42.75
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  5. Crusader 97903 Oil Cooler to Heat Exchanger Formed Hose
    Oil Cooler to Heat Exchanger Formed Hose | Crusader 97903
    CRU-97903
    Qty In Stock: 0
    Brand: Crusader
    Oil Cooler to Heat Exchanger Formed Hose Learn More
    MSRP: $50.34 $48.75
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  6. 6.0 liter Head Gasket | Crusader RM0278
    6.0 liter Head Gasket | Crusader RM0278
    CRU-RM0278
    Qty In Stock: 0
    Brand: Crusader
    HEAD GASKET 6.0L Learn More
    MSRP: $96.69 $84.89
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  7. Spark Plug Wire Set | Crusader RA121008/9
    Spark Plug Wire Set | Crusader RA121008/9
    CRU-RA121008/9
    Qty In Stock: 0
    Brand: Crusader

    Spark plug wire set. Fits Ford 302 & 351 V8 small block engines.  7mm diameter.

    Learn More
    MSRP: $45.86 $45.83
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  8. 5.7L Spark Plug Wire Set | Crusader RK120023
    5.7L Spark Plug Wire Set | Crusader RK120023
    CRU-RK120023
    Qty In Stock: 0
    Brand: Crusader

    5.7L Spark Plug Wire Set

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    MSRP: $81.11 $77.07
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  9. Small Image
    Formed Hose | Crusader 97909
    CRU-97909
    Qty In Stock: 0
    Brand: Crusader

    Thermostat housing to exhaust manifold formed cooling hose

    Learn More
    MSRP: $32.40 $31.35
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  10. Circulating Water Pump for 6.0 liter Engines | Crusader RA057036
    Circulating Water Pump for 6.0 liter Engines | Crusader RA057036
    CRU-RA057036
    Qty In Stock: 0
    Brand: Crusader

    Circulating Water Pump for 6.0 liter Engines 

    Learn More
    MSRP: $493.14 $466.75
    Add to Wishlist
  11. Flame Arrestor Cover | Crusader R060045
    Flame Arrestor Cover | Crusader R060045
    CRU-R060045
    Qty In Stock: 0
    Brand: Crusader
    Flame Arrester Cover Learn More
    MSRP: $119.36 $104.81
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  12. HOSE
    HOSE, H.E/ T-STAT (6.0L)
    CRU-R045148
    Qty In Stock: 0
    Brand: Crusader
    HOSE, H.E/ T-STAT (6.0L) Learn More
    MSRP: $117.49 $103.23
    Add to Wishlist

Items 37-48 of 52

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