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Any orders placed after this time will be processed on Monday, April 21st.
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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 58

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  1. Plug Winged 1/2in O-Ring | Indmar 60-5176
    Plug Winged 1/2in O-Ring | Indmar 60-5176
    IND-605176
    Qty In Stock: 19
    Plug Winged 1/2in O-Ring Learn More
    MSRP: $4.00 $4.00
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  2. MEFI 6B Wiring Harness, 6.0 liter | Indmar 801341
    MEFI 6B Wiring Harness, 6.0 liter | Indmar 801341
    IND-801341
    Qty In Stock: 0
    Brand: Indmar

    MEFI 6B Wiring Harness, 6.0 liter 

    Learn More
    MSRP: $1,856.00 $1,709.86
    Add to Wishlist
  3. Indmar 872025-1 OEM Marine Engine Spin-On Oil Filter - 6.2L Ford
    OEM Marine Engine Spin-On Oil Filter (Case of 12) - 6.2L Ford | Indmar 872025
    IND-872025
    Qty In Stock: 0
    Brand: Indmar

    Recommended for all 6.2L Ford-based engines with spin-on oil filters. Indmar filters capture 45 percent more dirt and last 30 percent longer than a leading national automotive brand.

     
    Learn More
    MSRP: $189.60 $168.96
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  4. Fuel Relay MEFI6 Small
    MEFI6 Small Fuel Relay | Indmar 807197
    IND-807197
    Qty In Stock: 13
    Brand: Indmar
    MEFI6 Small Fuel Relay Learn More
    MSRP: $23.07 $23.07
    Add to Wishlist
  5. Serpentine Drive Belt Indmar 725010
    Serpentine Drive Belt | Indmar 725010
    IND-725010
    Qty In Stock: 0
    Brand: Indmar

    Indmar OEM alternator belt used on LT1 engine models 1995 and up.

    Learn More
    MSRP: $73.56 $69.16
    Add to Wishlist
  6. Indmar 495151 Bell Housing Top Mount Starter
    Bell Housing | Indmar 495151
    IND-495151
    Qty In Stock: 0
    Brand: Indmar

    Bell housing with dust shield for GM V8 engines that will accept a top mount or bottom mount starter

    Learn More
    MSRP: $277.81 $277.81
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  7. Indmar 725026 Serpentine Alternator Belt
    Serpentine Drive Belt | Indmar 725026
    IND-725026
    Qty In Stock: 3
    Brand: Indmar

    Indmar OEM alternator belt used on Mastercraft EFI LTR marine engine applications.

    Learn More
    MSRP: $70.00 $54.79
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  8. GM 5.7L 26 Inch Oil Indicator IND-551455-B_SM
    5.7L Monsoon Oil Dipstick | Indmar 551455-B
    IND-551455-B
    Qty In Stock: 19
    Brand: Indmar
    Oil level indicator for Indmar Monsoon 5.7L marine engines. Learn More
    MSRP: $16.00 $14.92
    Add to Wishlist
  9. Knock Sensor | Indmar 551392
    Knock Sensor | Indmar 551392
    IND-551392
    Qty In Stock: 0
    Brand: Indmar

    Knock sensor

    Learn More
    MSRP: $50.60 $40.31
    Add to Wishlist
  10. HI Flow Raw Water Pump with Retainng Ring | Indmar 685001-5
    HI Flow Raw Water Pump with Retainng Ring | Indmar 685001-5
    IND-685001-5
    Qty In Stock: 2
    Brand: Indmar
    HI Flow Raw Water Pump with Retainng Ring Learn More
    MSRP: $336.00 $296.56
    Add to Wishlist
  11. Small Indmar 885178 Switch
    Transmission Oil Temperature Switch | Indmar 885178
    IND-885178
    Qty In Stock: 19
    Brand: Indmar
    Switch activates an audible or visual warning alarm to alert boat operator of transmission temperature in excess of 195 degrees. Learn More
    MSRP: $79.76 $63.57
    Add to Wishlist
  12. Indmar 845040 GM Small Block V8 305/350 Formed Hose
    GM Small Block V8 305/350 Formed Hose | Indmar 845040
    IND-845040
    Qty In Stock: 4
    Brand: Indmar
    GM Small Block V8 305/350 Formed Hose Learn More
    MSRP: $71.28 $67.02
    Add to Wishlist

Items 37-48 of 58

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