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BLOCK RELATED PARTS

Shop all Inboard boat engine block related parts. Whether your looking for freeze plugs, oil dipsticks, oil pans, and flywheels in the block group. Or, inboard valve cover gaskets and pcv valves in the valve cover group. Discount Inboard Marine has all your inboard ski boat engine parts.

  • GASKET INTAKE MANIFOLD GM 5.7L Vortec 350/305

    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)

    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

    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

    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

    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+

    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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  • GASKET CYLINDER HEAD 305/350 GM

    GASKET CYLINDER HEAD 305/350 GM

    Sold individually, GM 5.7 head gaskets are non-directional (Not for LT1). 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...
    $68.50
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  • Oil Dipstick Tube Ford 351 - 98 and Up

    Oil Dipstick Tube Ford 351 - 98 and Up

    Ford 351 Dipstick Tube fits on left side above valve cover entry & threads into the side of the oil pan. A longer dipstick is required if replacing an older tube & you will need to order PCM Part# R041063A -  30-1/2" long...
    $43.90
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  • Steel Oil Pan Ford 351 (all)

    Steel Oil Pan Ford 351 (all)

    Fits Standard 351 with no windage tray & H.O engines with a windage tray. Metric thread, oil drain 1986 & Up. PCM, Indmar, Commander, Escort applications. The Ford OEM marine pans are no longer available, This is a new OEM pan that has been...
    $582.50
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