HOLIDAY ALERT

We will be closing at 12 PM EST on Friday, April 18th, in observance of Good Friday and Easter.
Any orders placed after this time will be processed on Monday, April 21st.
Have a happy Easter weekend!

Weather Closure Alert

Due to severe weather, our White House, Tennesee location will be closed Wednesday the 19th.

All shipments from this location will resume on Thursday the 20th. Thank you for your patience!

WE WANT TO HEAR FROM YOU!

We strive to make improvements that make it easier to serve your boating needs.
We’d like to know more about you and how we can do the best job possible for you.
Please take the time to complete this brief 3-5 minute survey to help us serve you better.

FREE Ground Shipping on Orders over $100!  Exceptions apply - see details.

Toggle Nav
  • Sign In
  • Create an Account
My Cart
Search
Menu
Account
Settings
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 3254

Set Descending Direction
View as List Grid
Page
  1. Large Image
    Delco HVS V8 Tri-Pak Tune-Up Kit | United Marine 1-217
    UIW-1-217
    Qty In Stock: 49
    Brand: United Motor Products
    Delco HVS V8 Tri-Pak Tune-Up Kit Learn More
    MSRP: $206.01 $158.59
    Add to Wishlist
  2. 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.

    Learn More
    MSRP: $219.89 $159.69
    Add to Wishlist
  3. Small Image
    Gasoline Engine Oil Filter | Pleasurecraft Marine R077001
    PCM-R077001
    Qty In Stock: 239
    Brand: Pleasurecraft Marine
    OEM Pleasurecraft Marine engine oil filter also directly replaces discontinued Crusader 22679 filter. Learn More
    MSRP: $11.75 $8.51
    Add to Wishlist
  4. 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
    Add to Wishlist
  5. Large Image
    Captain's Call Diverter Repair Kit - 4 in. | Corsa Performance 10826
    COR-10826
    Qty In Stock: 11
    Brand: Corsa Performance
    Everything needed to repair 1 pair of Corsa 4 in. exhaust diverter flappers. Learn More
    MSRP: $269.00 $232.99
    Add to Wishlist
  6. Corsa Performance 11050 Stainless Steel Exhaust Tips with External Flappers - 4 in.
    Stainless Steel Exhaust Tips with External Flappers - 4 in. | Corsa Performance 11050
    COR-11050
    Qty In Stock: 10
    Brand: Corsa Performance
    Pair of polished stainless steel exhaust tips fit inboard boats with 4 in. exhaust. Learn More
    MSRP: $359.00 $325.91
    Add to Wishlist
  7. Delco EST Conversion Kit 4.3L GM V6 | Sierra 18-5513
    Delco EST Conversion Kit 4.3L GM V6 | Sierra 18-5513
    SIERRA-18-5513
    Qty In Stock: 26
    Brand: Sierra

    Delco EST style ignition conversion kit for upgrade or replacement on 4.3L GM V6 engines.

    Learn More
    MSRP: $795.19 $500.93
    Add to Wishlist
  8. Crusader exhaust elbow gasket - RM0274A
    6.0L Exhaust Elbow Gasket | Crusader RM0274A
    CRU-RM0274A
    Qty In Stock: 56
    Brand: Crusader

    Seals the are between exhaust manifold and exhaust riser on Crusader 6.0L marine engines.

    Learn More
    MSRP: $64.52 $56.63
    Add to Wishlist
  9. Small Image
    Engine Oil Filter | Volvo Penta 8692305
    VOLVO-8692305
    Qty In Stock: 515
    Brand: Volvo Penta
    Late model Volvo Penta cartridge style oil filter insert. Learn More
    MSRP: $17.40 $17.05
    Add to Wishlist
  10. Small Image
    Spark Plug Kit Iridium, Pack of 4 | Volvo Penta 21467472
    VOLVO-21467472
    Qty In Stock: 71
    Brand: Volvo Penta

    Spark Plug Iridium 4 Pack

    Learn More
    MSRP: $72.80 $62.13
    Add to Wishlist
  11. 3 Wire Replacement Exhaust Diverter Solenoid | Corsa Performance 10875
    3-Wire Replacement Exhaust Diverter Solenoid | Corsa 10875
    COR-10875
    Qty In Stock: 27
    Brand: Corsa Performance

    Replacement three-wire solenoid for CORSA Captain's Call with black weather-proof plug replaces 2005 model year to current.

    Learn More
    MSRP: $275.00 $215.30
    Add to Wishlist
  12. Volvo Penta Crank Driven Raw Water Pump With Pulley - 21212799
    Crank Driven Raw Water Pump | Volvo Penta 21212799
    VOLVO-21212799
    Qty In Stock: 79
    Brand: Volvo Penta
    OEM crankshaft mounted sea water pump with serpentine pulley fits various Volvo Penta GM 4.3L, 5.0L, & 5.7L marine engines. Learn More
    MSRP: $592.00 $511.05
    Add to Wishlist

Items 37-48 of 3254

Set Descending Direction
View as List Grid
Page
My Wish List
Last Added Items
  1. Add to Cart
    Remove This Item
Go to Wish List
You have no items in your wish list.
© 2025 Marine Parts Source. All Rights Reserved.