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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...
    $37.80
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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...
    $157.68
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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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  • 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...
    $77.91
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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...
    $728.25
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  • Oil Pan Mark V 454 R005017 Oil Pan Mark V 454 R005017

    Oil Pan Mark V 454 R005017

    Oil Pan Mark V for GM 454 marine engines. These engines came out in 1991 and will have squared off valve covers and not rounded like the 1990 and prior. 1990 and prior oil pans are no longer available.  
    $199.00
  • PLUG & BRACKET KIT FORD/GM PLUG & BRACKET KIT FORD/GM

    PLUG & BRACKET KIT FORD/GM

    Spare parts kit 3 (1/4") NPT drain plugs, 2 (3/4") NPT exhaust manifold plugs, 1 throttle or shift cable connector/cotter pin and 1 cable retainer clamp. Bin Number (ISBN): 2004132
    $19.16
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