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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 50

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  1. Fuel Cooler & Pump Kit | EMP 1397-97004
    Fuel Cooler & Pump Kit | EMP 1397-97004
    EMP-1397-97004
    Qty In Stock: 7
    Brand: EMP

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

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    MSRP: $419.99 $335.99
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  2. 160 Degree Thermostat Kit | EMP 75-03222
    160 degree Thermostat Kit | EMP 75-03222
    EMP-75-03222
    Qty In Stock: 4
    Brand: EMP

    Used with Mercruiser GM engines from 1983 & later with standard cooling.

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    MSRP: $37.29 $29.83
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  3. EMP 27-14547 Full Flow Dry Joint Gasket
    Full Flow Dry Joint Gasket | EMP 27-14547
    EMP-27-14547
    Qty In Stock: 19
    Brand: EMP

    EMP replacement full flow dry joint riser gasket used in Mercruiser exhaust appllcations.

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    MSRP: $49.99 $39.99
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  4. Delco EST Timing Tool | EMP 009159
    Delco EST Timing Tool | EMP 009159
    EMP-009159
    Qty In Stock: 7

    Ignition timing harness plugs into the Delco EST distributor and is used for setting base timing.

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    MSRP: $12.99 $11.69
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  5. EMP 93-93600 Engine Coupler
    Mercruiser 3.0L LX Engine Coupler | EMP 93-93600
    EMP-93-93600
    Qty In Stock: 8

    Aftermarket engine coupler fits late model Mercruiser GM 4 cylinder engines with triangular style engine coupler.

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    MSRP: $299.99 $239.99
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  6. EMP 1399-39515 VST Fuel Pump Kit
    VST Fuel Pump Kit | EMP 1399-39515
    EMP-1399-39515
    Qty In Stock: 7
    Brand: EMP
    VST Fuel Pump Kit Learn More
    MSRP: $439.99 $351.99
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  7. Mercruiser T-Fitting Drain Assembly | EMP 22-05158
    Mercruiser T-Fitting Drain Assembly | EMP 22-05158
    EMP-22-05158
    Qty In Stock: 15

    Mercruiser exhaust drain t-fitting used with 4.3 – 6.2 liter engines.

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    MSRP: $44.99 $35.99
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  8. Water Shutter Kit | EMP 32-08306
    Water Shutter Kit | EMP 32-08306
    EMP-32-08306
    Qty In Stock: 53
    Brand: EMP
    Water Shutter Kit Learn More
    MSRP: $46.49 $37.19
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  9. EMP 1397-97000 Electric Fuel Pump
    Mercruiser Electric Fuel Pump | EMP 1397-97000
    EMP-1397-97000
    Qty In Stock: 1
    Brand: EMP

    Low pressure fuel delivery pump used on a variety of both carbureted and fuel injected Mercruiser engines from 4.3L to 8.1L.

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    MSRP: $319.99 $255.99
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  10. EMP 27-14549 Gasket
    Gasket, Dry Joint - Blocked Flow | EMP 27-14549
    EMP-27-14549
    Qty In Stock: 11
    Brand: EMP
    Gasket, Dry Joint - Blocked Flow Learn More
    MSRP: $49.99 $39.99
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  11. EMP 93-93203 Engine Coupler for V6 & V8
    Mercruiser Triangular Engine Coupler | EMP 93-93203
    EMP-93-93203
    Qty In Stock: 15

    Mercruiser engine coupler for GM V6 & V8 engine applications with small crankshaft bolt pattern.

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    MSRP: $319.99 $255.99
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  12. GM Small Block V8 305/350 Formed Hose | EMP 32-32403
    GM Small Block V8 305/350 Formed Hose | EMP 32-32403
    EMP-32-32403
    Qty In Stock: 7
    Brand: EMP
    GM small block V8 305/350 formed hose.
     
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    MSRP: $51.49 $41.19
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Items 37-48 of 50

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