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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 25-36 of 3254

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  1. XPS Marine 5W40 4T Synthenic Blend Oil Gallon BRP | Bombardier Recreational Products 0779435
    XPS Marine 5W40 4T Synthenic Blend Oil Gallon Evinrude/Johnson | Evinrude/Johnson 0779435
    BRP-0779435
    Qty In Stock: 88

    XPS 5W-40 synthetic blend 4-stroke oil is designed for marine engines and contains premium anti-corrosion additives.

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    MSRP: $63.31 $42.89
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  2. Small Image
    GM 4.3L V6 Head Gasket Set | Fel-Pro 17211
    FP-17211
    Qty In Stock: 1
    Brand: Fel-Pro Gaskets

    Head gasket set for GM 4.3L V6 engine withcompsie valve covers, roller lifters, balance shaft and 12 bolt intake manifold mounting .

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    MSRP: $154.04 $112.68
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  3. Small Image
    8.1L Platinum Spark Plug Set | Crusader RP030009
    CRU-RP030009
    Qty In Stock: 12
    Brand: Crusader
    Crusader RP030009 AC Delco Platinum Spark Plugs Learn More
    MSRP: $141.14 $118.30
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  4. Small Image
    High-Capacity Spin-On Gasoline Fuel Filter | Volvo Penta 3847644
    VOLVO-3847644
    Qty In Stock: 354
    Brand: Volvo Penta
    Replacement OEM Volvo Penta 6-micron fuel water filter fits many different Volvo Penta gasoline marine engines. Learn More
    MSRP: $24.60 $22.14
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  5. Crusader R029016A Crusader 6.0L Exhaust Elbow
    Exhaust Elbow 6.0L | Crusader R029016A
    CRU-R029016A
    Qty In Stock: 37
    Brand: Crusader

    Exhaust elbow used on Crusader 6.0L engines with full fresh water cooling.

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    MSRP: $365.55 $289.53
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  6. Indmar 756002 Spark Plug Wire Set
    Delco EST Spark Plug Wire Set | Indmar 756002
    IND-756002
    Qty In Stock: 26
    Brand: Indmar
    OEM Indmar spark plug wire set for V8 GM 350 & 383 cu. in. small block marine engines with Delco EST ignition system. Learn More
    MSRP: $110.36 $87.96
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  7. Sierra 18-8860 Mercruiser GM Big Block Fuel Pump
    Mercruiser Mechanical Fuel Pump | Sierra 18-8860
    SIERRA-18-8860
    Qty In Stock: 31

    Sierra aftermarket mechanical fuel pump for Mercruiser 7.4L & 8.2L marine engine applications. Includes the engine mounting gasket.

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    MSRP: $219.89 $159.69
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  8. Starter Motor | Volvo Penta 24074116
    Starter Motor | Volvo Penta 24074116
    VOLVO-24074116
    Qty In Stock: 52
    Brand: Volvo Penta

    Starter motor for many late model Volvo Penta engines including V6-200, V6-240, V6-280, V8-300, V8-350, V8-380 and V8-430 models.

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    MSRP: $524.00 $399.99
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    Impeller Kit | Volvo Penta 21951348
    VOLVO-21951348
    Qty In Stock: 278
    Brand: Volvo Penta

    OEM Volvo Penta impeller kit for many different Volvo Penta gasoline marine engines with crankshaft mounted pumps

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    MSRP: $88.20 $77.93
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  10. Small
    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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  11. Small Image
    Pulley Driven Raw Water Pump | Volvo Penta 3858847
    VOLVO-3858847
    Qty In Stock: 52
    Brand: Volvo Penta
    OEM pulley driven sea water pump with V-belt pulley fits many different Volvo Penta gasoline marine engines from 1994 to 1996. Learn More
    MSRP: $490.00 $412.47
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  12. j178002000_lg
    Heavy Duty Porta-Quick Oil Changer, 12V | Jabsco 17800-2000
    JABSCO-17800-2000
    Qty In Stock: 25
    Brand: Jabsco
    Uses boat's own 12-volt battery bank to quickly pump out engine oil with heavy-duty bronze impeller pump. Learn More
    MSRP: $367.31 $268.50
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Items 25-36 of 3254

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