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    • Engine

    One of the key ways to keep your inboard ski boat in peak condition is to properly maintain the engine. This starts with having the right inboard marine engine parts at your disposal. At Discount Inboard Marine, we carry a wide selection of inboard marine engine parts, including belts, gaskets, cooling system components, and much more. Discover everything you need and more to keep your ski boat's engine purring like the day you bought it.

    • Brass Freeze Plug 1-1/2" Ford 351 302
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      Brass Freeze Plug 1-1/2" Ford 351 302

      urchase genuine Brass Freeze core Plugs 1-1/2" for Ford 351 302 blocks/heads. Tech tip: We put these in the freezer for a couple of hours prior to installation (which makes them easier to drive in). Helps when you are in an awkward position. Bin Number...
      $6.72
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    • GASKET WTR PUMP CIRC Ford 351W/302
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      GASKET WTR PUMP CIRC Ford 351W/302

      Circ pump inspection plate Ford 351w/302 Marine gaskets are highly recommended over standard automotive gaskets for top efficiency, safety and performance! Minor wear, warpage and corrosion are a fact of life on marine engine surfaces. You can rely on...
      $8.58
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    • GASKET INTAKE MANIFOLD GM 5.7L Vortec 350/305
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      GASKET INTAKE MANIFOLD GM 5.7L Vortec 350/305

      GASKET INTAKE MANIFOLD GM 5.7/5.0L GEN 1 PLUS Vortec. * GM VORTEC ENGINES - Sold Individually, order quantity 2 Marine gaskets are highly recommended over standard automotive gaskets for top efficiency, safety and performance! Minor wear, warpage and...
      $33.20
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    • GASKET, CYLINDER HEAD GM 454 (330HP)
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      GASKET, CYLINDER HEAD GM 454 (330HP)

      SOLD INDIVIDUALLY Marine gaskets are highly recommended over standard automotive gaskets for top efficiency, safety and performance! Minor wear, warpage and corrosion are a fact of life on marine engine surfaces. You can rely on marine gaskets to stand...
      $131.40
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    • Dipstick indmar 5.7L 5.0L
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      Dipstick indmar 5.7L 5.0L

      Fits most Indmar 5.0 & 5.7 GM engines, 27" length. Supersedes Indmar Pt# S551055, generally, not always. Did not work for a 2000 Malibu Sportstar Monsoon. Fits most Monsoon, MCX, Carb 310. Will not fit some LT1 Corvette, measure the old one to be...
      $26.67
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    • Dipstick Tube Indmar 5.7 / 350 Dipstick Tube Indmar 5.7 / 350
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      Dipstick Tube Indmar 5.7 / 350

      Fits Monsoon, MCX, Carb 310hp. Goes up between the exhaust manifold and valve cover. May require tweaking for proper fit. For use with Monsoon, MCX, Carb 310hp and more. Replaces Indmar part# 55-1040. Bin Number (ISBN): 121010
      $54.65
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    • BELLHOUSING PCM GM 5.0L/5.7L,8.1
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      BELLHOUSING PCM GM 5.0L/5.7L,8.1

      GM (Chevy) Bellhousing 5.0L/5.7L/8.1 for use with engines with top or bottom mount starters. Block off plate is Item # 21712, bolts Item # 21812, and washers Item # 21912. It Fits Hurth, PCM, Velvet Drive transmissions. Bin Number (ISBN): 21612
      $289.00
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    • Dipstick, 5.8L Ford 351 97+
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      Dipstick, 5.8L Ford 351 97+

      Dipstick for Ford 351 97+. If you have a 1:1 Transmission, this should be the correct dipstick for your engine. Replaces Crusader R041036 and R041043 Replaces Pleasurecraft R041043A Note: Dipstick for Tube #22206, 30-1/2" Length. Bin Number...
      $13.80
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