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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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    Power Tilt & Trim Pump Kit | Volvo Penta 21945915
    VOLVO-21945915
    Qty In Stock: 0
    Brand: Volvo Penta
    OEM Volvo Penta 21945915 kit includes tilt & trim pump, cover & new style hose kit. Learn More
    MSRP: $1,722.00 $1,461.20
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  2. Large Image
    Westerbeke/Universal Raw Water Impeller Pump | Oberdorfer Pumps N202M-07
    OBER-OBN202M-07
    Qty In Stock: 0
    Brand: Oberdorfer Pumps

    This bronze raw water engine cooling impeller pump was designed to be mounted vertically on various Westerbeke/Universal branded engines. This pump features a full cam, 2 bolt flange, and 3/8 inch female NPT ports.

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    MSRP: $550.02 $496.48
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  3. Volvo Penta 24333571 Fuel Pump
    Fuel Pump | Volvo Penta 24333571
    VOLVO-24333571
    Qty In Stock: 0
    Brand: Volvo Penta

    OEM Volvo Penta electric fuel pump module assembly includes housing, high pressure pump, low pressure pump & new fuel filter.

    Learn More
    MSRP: $1,630.00 $1,435.70
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  4. Volvo Penta 24313867 Fuel Pump Assembly
    Fuel Pump Assembly | Volvo Penta 24313867
    VOLVO-24313867
    Qty In Stock: 0
    Brand: Volvo Penta

    Fuel pump assembly used on a variety of Volvo Penta GM V6 and V8 direct injection engine models

    Learn More
    MSRP: $1,681.00 $1,480.62
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  5. Indmar 531401HL EXTCAT Port Aluminum Catalyst Exhaust Manifold
    EXTCAT Port Aluminum Catalyst Exhaust Manifold | Indmar 531401HL
    IND-531401HL
    Qty In Stock: 0
    Brand: Indmar
    OEM Indmar one piece exhaust manifold with catalyst exhaust element for Vortec 5.7L Monsoon & 6.2L Hammerhead marine engines. Learn More
    MSRP: $1,924.80 $1,603.70
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  6. pcmr029011_lg
    Exhaust Elbow 3-1/2 inch | Pleasurecraft Marine R029011
    PCM-R029011
    Qty In Stock: 0
    Brand: Pleasurecraft Marine

    Exhaust riser for 5.7 liter GM along with 5.0 liter and 5.8 liter Ford PCM engine models with 3-½ inch exhaust hose connection

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    MSRP: $280.00 $265.45
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  7. Small Image
    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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  8. 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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  9. Indmar Marine Top Mount Starter | Indmar 573004
    Indmar Marine Top Mount Starter | Indmar 573004
    IND-573004
    Qty In Stock: 0

    OEM Indmar starter fits all Indmar Ford 6.2L Raptor engines and all Indmar GM engines that use a rear entry top mount starter.

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    MSRP: $282.36 $245.47
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  10. CRU-RA080035A FCC 6.0 - 8.1L MODULAR RTNLS
    6.0-8.1 liter Modular Returnless Fuel Control System | Crusader RA080035A
    CRU-RA080035A
    Qty In Stock: 0
    Brand: Crusader

    6.0-8.1 liter Modular Returnless Fuel Control System

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    MSRP: $1,880.96 $1,555.69
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  11. Small Image
    Universal Heat Exchanger | Seakamp 302631
    SK-302631
    Qty In Stock: 0
    Brand: Seakamp Engineering
    Aftermarket replacement heat exchanger for Universal M4-30 marine engines. Learn More
    MSRP: $690.00 $594.83
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  12. VOLVO3587072_SM
    Keyed Diesel Ignition Switch | Volvo Penta 3587072
    VOLVO-3587072
    Qty In Stock: 0
    Brand: Volvo Penta

    OEM Volvo Penta ignition switch

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    MSRP: $333.00 $318.25
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