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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 61-72 of 3254

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    GM Marine Distributor | Sierra 18-5313-1
    SIERRA-18-5313-1
    Qty In Stock: 1
    Brand: Sierra

    Sierra Mallory breaker point style distributor for GM small and big block marine engines

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    MSRP: $588.99 $376.69
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  2. Small Image
    3 inch Exhaust Elbow Outlet | Crusader 98068
    CRU-98068
    Qty In Stock: 28
    Brand: Crusader
    Replacement OEM Crusader exhaust elbow fits many Crusader V8 marine engines. Learn More
    MSRP: $165.83 $160.50
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  3. Sierra 18-7281 Volvo Penta GM Small Block Fuel Pump
    Volvo Mechanical Fuel Pump | Sierra 18-7281
    SIERRA-18-7281
    Qty In Stock: 9
    Brand: Sierra

    Carter style mechanical fuel pump for Volvo Penta GM 305 & 350 cu. in. marine engines

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    MSRP: $173.49 $109.28
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  4. Small Image
    Cummins Raw Water Pump | Sherwood P1730C
    SHER-P1730C
    Qty In Stock: 19
    Brand: Sherwood Pumps
    Replacement bronze sea water pump for cooling various Cummins 6C diesel marine engines. Learn More
    MSRP: $1,244.02 $698.87
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  5. Sierra 18-7326 Low Pressure Electric Fuel Pump
    Low Pressure Electric Fuel Pump | Sierra 18-7326
    SIERRA-18-7326
    Qty In Stock: 15
    Brand: Sierra
    Low pressure fuel pump used on many Volvo Penta, OMC & Mercruiser marine engines. Learn More
    MSRP: $373.49 $238.85
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  6. Large Image
    Ignition Relay | Crusader 98175
    CRU-98175
    Qty In Stock: 14
    Brand: Crusader
    Ignition relay for Crusader throttle body injected marine engines. Learn More
    MSRP: $61.14 $48.42
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  7. 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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  8. 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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  9. Sierra 18-1976-2 Mercruiser 4 in. Center Rise Exhaust Elbow
    Mercruiser Center Rise Exhaust Elbow | Sierra 18-1976-2
    SIERRA-18-1976-2
    Qty In Stock: 71
    Brand: Sierra

    Sierra direct replacement exhaust elbow fits many Mercruiser V6 & V8 marine engines with center rise exhaust manifolds. 4-inch outside diameter exhaust hose connection

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    MSRP: $208.69 $129.72
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  10. Mercruiser Fuel Cooler & Pump Kit | Recmar REC861156A03
    Mercruiser Fuel Cooler & Pump Kit | Recmar REC861156A03
    RECMAR-REC861156A03
    Qty In Stock: 3
    Brand: Recmar

    Replacement Gen II fuel cooler and fuel pump kit used on a variety of Mercruiser fuel injected engine models.

     
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    MSRP: $683.92 $319.19
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  11. 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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  12. Large Image
    PCM GM Small Block Exhaust Manifold | Pleasurecraft Marine R028009
    PCM-R028009
    Qty In Stock: 10
    Brand: Pleasurecraft Marine
    OEM Pleasurecraft Marine center rise exhaust manifold fits GM 5.0L & 5.7L marine engines. Learn More
    MSRP: $354.00 $325.64
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Items 61-72 of 3254

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